History of IBM

International Business Machines Corporation
	File:IBM logo.svg IBM logo since 1972
Company type	Public
Industry	Computer technology, IT consulting
Founded	June 16, 1911; 115 years ago in Endicott, New York, United States (as Computing-Tabulating-Recording Company)
Founder	Charles Ranlett Flint (founder of CTR)
Headquarters	Armonk, United States
Area served	Worldwide
Key people	Thomas J. Watson (early president)
Products	Computer hardware, software, IT services, consulting
Number of employees	400,000+ (2014)
Website	www.ibm.com

Logos of IBM
	1947–1956
	1956–1972
	Since 1972

International Business Machines Corporation (commonly known as IBM) is a multinational corporation that specializes in computer technology and IT consulting services. Its headquarters are located in Armonk, New York. The company’s roots trace back to multiple firms that developed automated business transaction equipment, particularly pioneering punched card data tabulation devices. These entities merged in 1911 to form the Computing-Tabulating-Recording Company (CTR).

In 1914, Thomas J. Watson (1874–1956) assumed the role of general manager and was promoted to President the following year. By 1924, CTR had adopted the name "International Business Machines". IBM broadened its product range to include electric typewriters and other office machinery. Watson prioritized cultivating a driven and well-rewarded sales team focused on delivering technology solutions tailored to customer needs.

During the 1940s and 1950s, IBM made steady progress in computing by enhancing its card-based systems. The introduction of the System/360 mainframe series in the 1960s represented a significant strategic evolution, integrating hardware, software, and service contracts that strengthened client loyalty and earned IBM the nickname "Big Blue". The company’s internally developed customized software for end-users helped maintain customer retention despite competition from clone manufacturers such as Amdahl. Throughout the 1970s and 1980s, IBM’s reputation for delivering comprehensive hardware and software solutions solidified its position as a dominant American technology leader.

Nevertheless, by the late 1980s and early 1990s, IBM encountered severe financial challenges, culminating in losses exceeding $8 billion in 1993. The firm struggled to keep pace with the emergence of Unix open systems and personal computers, which provided more affordable alternatives to costly mainframes. Although IBM introduced a Unix product line and personal computers in response, it lost market share to clone producers, semiconductor companies like Intel, and software giants such as Microsoft.

Through deliberate restructuring efforts, IBM maintained its status as one of the largest global computer corporations and systems integrators. By 2014, it employed more than 400,000 individuals worldwide and held the highest number of patents among U.S.-based technology companies. Its research operations spanned twelve laboratories globally, staffed by scientists, engineers, consultants, and sales personnel working across over 175 countries. IBM employees have earned numerous prestigious honors including five Nobel Prizes, four Turing Awards, five National Medals of Technology, and five National Medals of Science.

1880s–1924: The origin of IBM

Year	Revenue (in $m)	Workforce
1915	4	1,672
1920	14	2,731
1925	13	3,698

The origins of IBM trace back to the 1880s through the amalgamation of four distinct enterprises:

Bundy Manufacturing Company: Established in 1889 by Harlow Bundy in Binghamton, New York, recognized as the pioneer manufacturer of time clock devices.
Tabulating Machine Company: Founded in 1896 by Herman Hollerith in Washington, D.C., who had invented data processing equipment based on punch card technology since 1884.
International Time Recording Company: Created in 1900 by George Winthrop Fairchild initially in Jersey City, New Jersey, later moving its base to Endicott, New York in 1906.
Computing Scale Company of America: Launched in Dayton, Ohio, in 1901.

Hollerith’s punched card systems were instrumental for the U.S. Census Bureau’s 1890 census, significantly accelerating data processing and generating cost savings estimated at $5 million. His tabulation machines dominated industry standards for seventy years. In 1911, Hollerith sold his enterprise to financier Charles Ranlett Flint for $2.3 million.

On June 16, 1911, Flint consolidated these four entities into a holding company called the Computing-Tabulating-Recording Company (CTR), headquartered in Endicott, New York. This merger diversified income sources and lessened reliance on any single market sector. At its inception, CTR employed roughly 1,300 staff across operations in the United States and Toronto. Each subsidiary maintained its original identity until CTR's dissolution in 1933.

To oversee CTR’s varied business interests, Flint appointed Thomas J. Watson Sr., previously the second-in-command at National Cash Register Company (NCR). Watson joined as general manager in 1914 and was promoted to president by March 1915. His strategy emphasized customer service excellence and large-scale tabulating systems, propelling revenue growth and international outreach.

In 1916, CTR initiated employee educational programs that eventually evolved into formal management training and culminated with the establishment of the IBM Schoolhouse in 1933. The company expanded overseas by entering the Brazilian market in 1917 to assist with a government census. Technological advancements included the introduction of the printing tabulator in 1920, which automated output generation.

By 1923, CTR had acquired a controlling interest in Deutsche Hollerith Maschinen Gruppe (Dehomag), a German tabulating equipment firm.

Unhappy with the cumbersome name Computing-Tabulating-Recording Company, Watson renamed it "International Business Machines Corporation" (IBM) to better represent its broader business scope beyond office machinery. The Canadian branch first adopted this name in 1917, with company-wide formal adoption occurring on February 14, 1924. Subsidiaries retained their original designations until their integration into IBM in 1933.

Under Watson’s guidance, IBM implemented significant cultural policies including hiring individuals with disabilities, advancing employee education initiatives, and nurturing an innovative corporate environment epitomized by the "THINK" motto introduced in 1915. His Open Door Policy alongside employee welfare programs became cornerstones of IBM’s organizational culture.

1925–1929: IBM's Initial Expansion

Year	Revenue (in $m)	Number of Employees
1925	13	3,698

Under the leadership of Thomas J. Watson, IBM implemented rigorous employee policies, including a mandatory formal dress code and a ban on alcohol consumption. Watson also organized employee sing-alongs featuring "Ever Onward" from the company's official songbook. The firm introduced Business Machines, an internal publication consolidating all corporate news.

Recognition initiatives were established, such as the Quarter Century Club honoring employees with 25 years of service and the Hundred Percent Club rewarding sales staff who met their targets. In 1928, the Suggestion Plan was launched, providing monetary incentives for innovative ideas that enhanced IBM's products and operations. For over seven decades, IBM focused on clocks and timekeeping devices, culminating in the 1958 divestiture of its Time Equipment Division to Simplex Time Recorder Company, which manufactured dial recorders, job recorders, recording door locks, time stamps, and traffic recorders.

IBM broadened its product portfolio through inventions by innovators like James W. Bryce, Clair Lake, Fred Carroll, and Royden Pierce. Notable advancements included the first comprehensive school time control system and the earliest printing tabulator in 1920; the introduction of the electric keypunch in 1923; and the Carroll Rotary Press in 1924, which set new standards for punched card production speed. In 1928, IBM unveiled the 80-column punched card, known as the "IBM Card," which doubled data capacity and became an industry benchmark until the 1970s.

Key market developments involved selling IBM’s inaugural tabulator to Japan in 1925 through a partnership with Morimura-Brothers and establishing its first Milan office in 1927 to serve Italian insurance firms and banks. Technological progress persisted with the 1928 release of the Hollerith Type IV tabulator capable of performing subtraction operations and the introduction of the Hollerith 80-column punched card format, which superseded the previous 45-column card and ultimately ended compatibility among vendors.

1930–1938: Navigating the Great Depression

Year	Revenue (in $m)	Number of Employees
1930	19	6,346
1935	21	8,654

Throughout the Great Depression, IBM maintained its commitment to investing in its workforce, manufacturing capabilities, and technological innovation. Rather than reducing staff numbers, Watson expanded both sales and engineering divisions in alignment with Roosevelt's National Recovery Administration initiatives.

IBM was a pioneer in employee benefits during this period, introducing group life insurance in 1934, survivor benefits in 1935, and paid vacation starting in 1936. The company also prioritized education and research by founding the IBM Schoolhouse along with a state-of-the-art research laboratory located in Endicott. These strategic investments represented IBM’s early “Bet the Company” decisions aimed at securing sustainable growth.

Due to production constraints caused by factories operating at full capacity without proportional demand increases, IBM divested its Dayton Scale Division (which produced food service equipment) to Hobart Manufacturing in 1933. A significant milestone occurred with the Social Security Act of 1935—referred to as "the largest accounting operation ever"—where IBM obtained an exclusive contract to manage employment records for approximately 26 million individuals. This government partnership substantially increased IBM’s revenues and paved the way for additional public sector engagements. By decade’s end, IBM had not only endured but solidified its leadership position within the industry.

Watson viewed international expansion as essential for IBM’s future success, connecting commercial growth with global peace following World War I’s devastation. His motto "World Peace Through World Trade," prominently displayed on IBM’s New York headquarters in 1938, encapsulated this philosophy. Watson actively championed this vision among global business leaders and governments alike, earning numerous foreign accolades for promoting international cooperation through commerce.

In 1936, after an unfavorable Supreme Court ruling, IBM consented to a decree that separated its punched card business from other computer-related products such as magnetic tapes and disk packs.

1931

IBM unveils the Hollerith 600 Multiplying Punch, the first Hollerith punched card device capable of performing multiplication.
The Alphabetic Tabulator Model B, IBM’s initial alphabetical accounting machine, is succeeded by the comprehensive Alphabet ATC.
The New York World refers to the Columbia Difference Tabulator as a "Super Computing Machine." This large-scale, specialized tabulator served prominent clients such as the Carnegie Foundation, Yale, and Harvard.

1933

IBM streamlines its operations by merging subsidiary companies and discontinuing names like the Tabulating Machine Company.
Introduction of removable control panels enhances the adaptability of machines.
IBM implements a standardized 40-hour workweek across manufacturing plants and office locations.
The acquisition of Electromatic Typewriter Co. secures essential patents, broadening IBM’s portfolio in electric typewriters.

1934

A group life insurance plan is introduced for employees with at least one year of service.
Factory laborers shift from piece-rate pay to salaried compensation, promoting greater financial consistency.
The IBM 801 Bank Proof machine is launched, improving efficiency in processing check clearances.

1935

Despite the Great Depression, IBM continued developing new equipment and secured a significant government contract related to the Social Security Act, described as "the largest accounting operation ever undertaken."

1936

IBM consents to the 1936 consent decree.

1937

IBM opens a tabulating machine data center at Columbia University, named the Thomas J. Watson Astronomical Computing Bureau, dedicated to scientific research.
The company introduces its first collator, the IBM 077 Collator.
At its Endicott, N.Y. facility, IBM produces between five and ten million punched cards daily using 32 presses.
Rey Johnson designs the IBM 805 Test Scoring Machine, pioneering test scoring technology that detects pencil marks and popularized instructions such as "Please completely fill in the oval."
As president of the International Chamber of Commerce, Watson Sr. presides over its 9th Congress in Berlin and receives (but later returns) a Merit Cross of the German Eagle from Nazi Germany.
IBM becomes one of the earliest U.S. firms to offer paid holidays and vacations to employees.
Japan Wattoson Statistics Accounting Machinery Co., Ltd. (now known as IBM Japan) is founded.

1938

IBM inaugurates its new World Headquarters at 590 Madison Avenue in New York City, with business operations spanning 79 countries.

1939–1945: World War II

Year	Gross revenue (in $m)	Number of employees
1940	45	12,656
1945	138	18,257

Prior to World War II, IBM maintained subsidiaries in nations aligned with both Allied and Axis powers, including majority ownership of DEHOMAG in Germany (1922–1949), along with operations in Poland, Switzerland, and other European countries. These subsidiaries were confiscated by Axis governments early in the conflict. Meanwhile, IBM’s headquarters in New York concentrated efforts on supporting the United States’ wartime activities.

IBM in the United States

Throughout World War II, IBM transitioned from producing tabulating devices to manufacturing military ordnance and critical wartime supplies. Its product range during this period encompassed items such as Sperry and Norden bombsights, Browning Automatic Rifles, the M1 Carbine, various engine components, and more than 70 additional products. Under the leadership of President Thomas J. Watson, a modest profit margin of one percent was set for these wartime goods, with earnings dedicated to supporting the families of IBM employees who lost their lives during the conflict.

IBM’s tabulating equipment played a vital role in Allied military efforts, extensively utilized for mobile records management, ballistics computations, logistics coordination, and financial accounting. Particularly notable was the deployment of IBM punched-card machines at Los Alamos National Laboratory to expedite calculations during the Manhattan Project aimed at developing the atomic bomb.

In collaboration with the United States Navy, IBM contributed to technological advancements by producing the Automatic Sequence Controlled Calculator (Harvard Mark I), recognized as the first large-scale electromechanical calculator constructed in the United States.

In the early 1930s, IBM acquired Radiotype technology—an electric typewriter connected to radio transmitters—that became essential during wartime communications. Radiotype systems handled up to 50 million words daily and were selected by the Signal Corps for critical military messaging.

To fulfill increased production requirements, IBM expanded its manufacturing footprint by establishing new plants in Endicott, New York (1941), Poughkeepsie, New York (1941), Washington, D.C. (1942), and San Jose, California (1943). The West Coast facility capitalized on emerging electronics research that later contributed significantly to the development of Silicon Valley.

Additionally, IBM was subcontracted by the U.S. government to supply punched card equipment for managing Japanese internment camps.

IBM’s punched card technology also played a crucial role in supporting code-breaking and cryptanalysis operations conducted by U.S. Army and Navy units such as those at Arlington Hall and OP-20-G, which were essential to Allied intelligence activities throughout the war.

IBM in Germany and Nazi-occupied Territories

During the 1930s and World War II, Nazi Germany extensively employed Hollerith punch-card technology—originally developed by IBM—for administrative control and discriminatory practices. IBM’s German subsidiary, Deutsche Hollerith Maschinen GmbH (Dehomag), which it largely owned, provided and maintained this equipment that enabled systematic categorization and identification of individuals within Nazi-controlled regions, thereby facilitating persecution and deportations during the Holocaust.

Like many foreign-owned enterprises operating in Germany at that time, Dehomag came under Nazi oversight before and during the war. Hermann Fellinger was appointed by the Nazis as an enemy-property custodian. According to historian Edwin Black’s account in IBM and the Holocaust, this Nazi control functioned more as a façade rather than an outright takeover: IBM continued receiving payments via its Geneva subsidiary and maintained business dealings with the Third Reich until America entered the war in 1941. IBM has refuted allegations of document suppression or undisclosed information related to these matters. Scholarly opinion remains divided regarding IBM’s level of complicity or awareness concerning Nazi utilization of its technology.

At the same time, IBM initiated significant programs unrelated to wartime politics. In 1942, it began training and employing disabled workers starting in Topeka, Kansas, with expansion into New York City by 1943. That year also saw IBM appoint its first female vice president. On the technological front, IBM introduced the Automatic Sequence Control Calculator (ASCC or Harvard Mark I) in 1944—a pioneering electromechanical computer developed jointly with Harvard University that substantially improved calculation speeds. Furthermore, IBM contributed to educational advancement through involvement with the United Negro College Fund during this era.

Following World War II, IBM inaugurated its first dedicated research center—the Watson Scientific Computing Laboratory—in 1945, marking a pivotal step in its research endeavors. In 1961, this research headquarters relocated to the T.J. Watson Research Center located in Yorktown Heights, New York.

1946–1959: Postwar Era

Year	Revenue (in $m)	Workforce
1950	266	30,261
1955	696	56,297
1960	1,810	104,241

Following World War II, IBM embarked on a vigorous global expansion through the establishment of the World Trade Corporation in 1949, under the leadership of Arthur K. Watson. By the decade of the 1970s, this division was responsible for generating half of IBM’s total earnings.

The company introduced its inaugural computer in 1951 and rapidly secured an 85% market share within five years by leveraging effective sales tactics. After the passing of founder Thomas J. Watson Sr. in 1956, his son, Thomas J. Watson Jr., assumed the role of CEO and guided IBM through a period marked by swift technological advancements and substantial organizational growth.

Watson Jr. implemented a modernized management structure at IBM, codifying corporate principles such as the Three Basic Beliefs and launching the Open Door initiative. Additionally, he pioneered IBM’s initial equal opportunity policy in 1953, preceding landmark civil rights laws.

Under his direction, IBM enhanced its research and development efforts and transitioned to transistor technology in 1957, moving away from vacuum tube electronics towards solid-state components in its product line.

IBM’s partnership with the U.S. government during the Cold War era was crucial, especially in creating the SAGE air defense system in collaboration with MIT’s Lincoln Laboratory. This alliance provided IBM access to forefront research in real-time computing technologies.

Notable commercial achievements during this period included the IBM 700 series, IBM 650, IBM 305 RAMAC featuring disk storage, and the IBM 1401. By the end of the 1950s, IBM had solidified its position as the leading technology company worldwide; within five years following Watson Sr.’s death, the company more than doubled in size, its stock price increased fivefold, and IBM machines dominated most U.S. computer installations.

Significant Milestones

Between 1946 and 1959, International Business Machines Corporation (IBM) underwent critical developments that established its dominance in computing and technology:

1946

IBM 603 Electronic Multiplier: The company released its first commercial product incorporating electronic arithmetic circuits.
Chinese Character Typewriter: IBM developed an electric typewriter capable of producing Chinese ideographs at speeds of 40 to 45 words per minute, showcasing early progress in language processing tools.
First African American Sales Representative: IBM employed its first black salesman, demonstrating an early dedication to diversity within its workforce.

1948

IBM SSEC: The introduction of the Selective Sequence Electronic Calculator, a large-scale digital calculator utilizing vacuum tubes alongside electromechanical relays. It was the first computer capable of altering a stored program during operation, marking a significant computing breakthrough.

1950s

IBM's Aerospace Contributions: The company played a vital role in aerospace advancements—from producing ballistics tables during World War II to designing intercontinental missile systems and supporting satellite deployment and tracking efforts.

1952

IBM 701 Commercial Computer: IBM launched its first mass-produced large-scale electronic computer aimed at commercial use, establishing its presence within the electronics industry.
Magnetic Tape Vacuum Column: The invention of a vacuum column for magnetic tape drives allowed for more reliable handling of delicate magnetic tapes, advancing data storage technology.
West Coast Research Facility: IBM inaugurated its first research laboratory on the West Coast located in San Jose, California, a strategic development that contributed to Silicon Valley’s emergence and innovations like the hard disk drive.

1953

Equal Opportunity Policy Statement: IBM's president, Thomas J. Watson Jr., released the company's inaugural formal equal opportunity policy, reflecting an early dedication to workplace fairness.
IBM 650 Magnetic Drum Computing Device: The IBM 650 was introduced as a mid-range electronic computer designed for business and scientific applications, achieving widespread adoption throughout the 1950s.

1954

Creation of NORC: IBM engineered the Naval Ordnance Research Computer (NORC), recognized as the fastest and most powerful electronic computer of its time, developed for the U.S. Bureau of Ordnance.

1956

Pioneering Magnetic Hard Disk Drive: IBM unveiled the IBM 350 disk storage unit, marking the debut of the magnetic hard disk drive worldwide, capable of storing 3.75 MB across fifty-two 24-inch disks, transforming data storage practices.
Consent Decree Enforcement: The U.S. Department of Justice enforced a consent decree limiting IBM’s dominance in punched-card tabulating and electronic data-processing markets, imposing operational constraints.
Corporate Design Program Launch: With guidance from design expert Eliot Noyes, IBM initiated a Corporate Design Program aimed at harmonizing branding and product design on a global scale.
First European Research Facility: IBM broadened its research and development reach by establishing its initial research laboratory outside the United States, located in Zurich, Switzerland.
Leadership Change and Williamsburg Conference: Thomas J. Watson Sr. stepped down, passing leadership to Watson Jr., who commenced organizational reforms during the Williamsburg conference, ushering in a new leadership phase.
Artificial intelligence Progress: Arthur L. Samuel at IBM’s Poughkeepsie facility showcased early artificial intelligence capabilities by programming the IBM 704 to play checkers, demonstrating early machine learning concepts.

1957

IBM introduced the FORTRAN programming language, significantly advancing scientific computing and numerical analysis.

1958

SAGE AN/FSQ-7 Computer Project: IBM was contracted to construct the SAGE AN/FSQ-7 computer for MIT's Lincoln Laboratory, a critical element of North America’s air defense infrastructure.

1959

IBM 1401 Computer: The IBM 1401 was launched as the first high-volume transistorized computer with stored-program architecture and core memory, becoming widely used in business environments during the early 1960s.
IBM 1403 Chain Printer Introduction: IBM debuted the 1403 chain printer, representing a significant advancement in rapid and high-volume impact printing technology for data output and document handling.

These achievements underscore IBM’s pioneering role in computing innovation and its growing influence within the nascent computer industry throughout the late 1940s and 1950s.

1960–1969: The System/360 Era and Software-Service Unbundling

Year	Revenue (in $m)	Workforce
1955	696	56,297
1960	1,810	104,241
1965	3,750	172,445
1970	7,500	269,291

On April 7, 1964, IBM unveiled the revolutionary System/360, representing the first extensive family of computers featuring compatible software and peripherals. This unified platform replaced earlier incompatible models designed for specific functions. The System/360 rapidly became dominant in the mainframe market and established an industry benchmark. Over this decade, IBM transformed from a mid-sized equipment manufacturer into the largest computer corporation worldwide.

In 1969, IBM implemented a strategic "unbundling" of software and services from its hardware sales. Previously offered without additional charge alongside hardware, software was segmented into free System Control Programming (SCP) and fee-based Program Products (PP). Similarly, services were divided between complimentary general information and paid training and support offerings. This approach generated new revenue streams and stimulated growth within independent software and service sectors.

Throughout this period, IBM expanded internationally while advancing corporate social responsibility initiatives. Beginning with Olympic sponsorship in 1960 that lasted four decades, it also led programs promoting equal opportunity employment, minority supplier development, data security enhancements, privacy safeguards, and environmental practices exceeding regulatory requirements. The Yorktown research center emerged as a key innovation hub. By the early 1970s, more than half of IBM’s revenue originated from international operations. Additionally, IBM technology played an essential role in NASA’s Apollo missions culminating in the Moon landing in 1969.

In 1967, under Thomas J. Watson Jr.’s leadership, IBM established a major manufacturing facility in Boca Raton, Florida dedicated to producing the System/360 Model 20 midrange computer. Initial recruitment began that year with staffing reaching approximately 1,300 employees by 1970. The campus was designed by architect Marcel Breuer. The Boca plant delivered its first Model 20 unit to Clearwater in September 1967 and subsequently manufactured IBM 1130 systems along with hosting a Systems Development Engineering Laboratory.

This decade witnessed nearly fivefold increases in both revenue and employee count as IBM reinforced its market leadership through innovation, strategic restructuring, and global expansion.

1961

IBM unveils its inaugural 7030 Stretch supercomputer. Despite not meeting its initial performance targets and lacking commercial viability, it introduces groundbreaking computing innovations that soon become standard across the industry.
The company transfers its research headquarters from Poughkeepsie, NY to Westchester County, NY, inaugurating the Thomas J. Watson Research Center, its largest facility dedicated to semiconductor research, computer science, physical sciences, and mathematics. The Columbia University laboratory founded in 1945 was eventually closed and relocated to Yorktown Heights in 1970.
IBM debuts the Selectric series, with subsequent versions integrating memory features that advanced word processing and desktop publishing concepts. Selectric typewriters captured approximately 75% of the U.S. electric typewriter market in corporate environments. This line was succeeded by the IBM Wheelwriter in 1984, and the typewriter division was spun off as Lexmark in 1991.
The introduction of the Report Program Generator allows IBM 1401 users to efficiently generate reports. This software gained widespread industry adoption and played a key role in bringing computing technology into small business operations.

1962

Core principles. CEO Thomas J. Watson Jr. establishes IBM’s fundamental values emphasizing respect for individuals, dedication to customer service, and pursuit of excellence.
SABRE. American Airlines’ SABRE reservation system becomes operational, powered by two IBM 7090 mainframes. It represents the first real-time airline booking platform accessible via telephone lines, combining rapid computing with data communications to manage seat availability and passenger information.

1964

IBM System/360. IBM launches the System/360 family, featuring a range of compatible computers from small to large scale using IBM Solid Logic Technology (SLT) microelectronic components and standardized instruction sets. This breakthrough revolutionizes computing by enabling scalable systems with software compatibility.
Word processing innovation. IBM introduces the Magnetic Tape Selectric Typewriter, pioneering magnetic recording technology in typewriting and laying the foundation for desktop word processing. This "power typing" feature allowed users to edit stored text, significantly improving office efficiency.
New headquarters established. IBM moves its corporate headquarters from New York City to Armonk, New York.

1965

Gemini missions support. IBM provides a 59-pound onboard guidance computer for all Gemini spaceflights, including facilitating the first spacecraft rendezvous. The company also completes detailed lunar orbital calculations and advances silicon wafer circuit manufacturing techniques.
New York World's Fair. The IBM Pavilion concludes after welcoming over 10 million visitors during its two-year exhibition.

1966

Dynamic Random-Access Memory (DRAM) breakthrough. IBM develops one-transistor DRAM cells, dramatically enhancing memory capacity and establishing DRAM as a cornerstone technology for contemporary computer memory systems.
IBM System/4 Pi. The System/4Pi computer is introduced to meet specific requirements of the U.S. Department of Defense and NASA. By the 1980s, more than 9,000 units are delivered for aerospace and defense purposes.
IBM Information Management System (IMS). Initiated in collaboration with Rockwell and Caterpillar starting in 1966, IMS supports the Apollo program by handling the complex bill of materials for the Saturn V Moon rocket and Apollo spacecraft.

1967

Fractal geometry. IBM researcher Benoit Mandelbrot pioneers fractal geometry, providing a mathematical framework to describe natural irregularities. This breakthrough influenced fields such as engineering, economics, metallurgy, health sciences, and computer graphics.

1968

IBM Customer Information Control System (CICS). IBM introduces the CICS transaction monitor, which continues to be a leading system for transaction processing in the industry.

1969

Antitrust. The U.S. government commences a lengthy 13-year antitrust lawsuit against IBM, which was controversially discontinued in 1982.
Unbundling. IBM begins separating charges for systems engineering, software, and customer training, sparking growth in the software and services sectors.
Magnetic stripe cards. IBM's magnetic stripe technology is adopted as a national standard, facilitating the rise of the credit card industry and later becoming an international ISO standard.
First Moon landing. IBM's personnel and computing systems contribute essential support to NASA’s Apollo mission that successfully landed humans on the Moon.

1970–1974: The challenges of success

Year	Gross income (in $m)	Employees
1965	3,750	172,445
1970	7,500	269,291
1975	14,430	288,647

Following CEO Thomas J. Watson Jr.’s retirement in 1971, IBM underwent leadership transitions with T. Vincent Learson briefly serving before Frank T. Cary assumed the role in 1973. Under Cary’s guidance, IBM launched the IBM System/370, which maintained mainframe revenue streams but did not achieve the revolutionary impact of its predecessor.

The ambitious IBM Future Systems project (1971–1975), intended to overhaul IBM’s product lineup, was ultimately discontinued after consuming significant resources and impeding existing product lines. Nevertheless, some innovations from this initiative were later incorporated into commercial products.

In storage advancements, the introduction of the IBM 3340 "Winchester" disk drive in 1973 doubled data density and established industry benchmarks that lasted for two decades.

During this era, IBM’s innovations shaped everyday business technology: magnetic stripe cards became the foundation for credit card standards; the floppy disk (introduced in 1971) dominated personal computer data storage; Edgar 'Ted' Codd’s relational database model transformed data management; the portable IBM 5100 (1975) anticipated personal computing; and the IBM 3660 checkout system (1973) advanced retail scanning technologies. Furthermore, the IBM 3614 Consumer Transaction Facility introduced early automated teller machine capabilities.

In networking, IBM developed Systems Network Architecture (SNA) in 1974 to standardize data communication across diverse networks until open protocols emerged in the 1990s. Additionally, Benoit Mandelbrot’s fractal geometry concept (formulated in 1975) had a broad influence across scientific and commercial disciplines.

IBM’s attempt to penetrate the office copier market encountered legal disputes with Xerox over patent infringement. Although IBM innovated organic photoconductor technology to circumvent Xerox patents and settled litigation by the late 1970s, it failed to secure significant market share and eventually exited this sector during the 1980s.

Throughout this timeframe, IBM faced persistent antitrust litigation initiated in 1969. A related ruling invalidated critical computer patents but upheld IBM’s monopoly status due to prior contractual agreements.

In Europe by 1971, IBM held over half of the market share in most countries owing to its global presence—earning recognition as "the only truly international computer company." Meanwhile, competitors such as ICL, CII, and Siemens formed alliances aimed at bolstering Europe’s computer industry against IBM’s dominance.

1970

System/370. IBM unveiled the System/370 as the next-generation platform succeeding the System/360.
Relational databases. IBM pioneered relational database technology, structuring data into tables to facilitate easier retrieval and administration. This framework became the foundation for most contemporary database systems.
Office copiers. IBM introduced its inaugural xerographic copiers, leading the commercial adoption of organic photoconductors, which have since become standard in the industry.

1971

Speech recognition. IBM developed its first functional speech recognition system, allowing service technicians to communicate with a computer capable of understanding approximately 5,000 words. Today’s IBM ViaVoice technology extends vocabulary support to 64,000 words, backed by a dictionary of 260,000 terms.
Floppy disk. IBM launched the floppy disk, setting a new benchmark for portable data storage in personal computing.

1973

Winchester storage technology. IBM introduced the IBM 3340 "Winchester" disk drive, which doubled data density by utilizing a smaller read/write head operating on an ultra-thin air cushion. This technology established industry standards that persisted for twenty years.
Nobel Prize. IBM Fellow Dr. Leo Esaki was co-recipient of the 1973 Nobel Prize in Physics for his discovery of electron tunneling and the Esaki diode, critical advancements in semiconductor electronics and solid-state transport research.

1974

SNA. IBM announced the Systems Network Architecture (SNA), a networking protocol designed to standardize computer communications and streamline connectivity across local, national, and international networks. SNA dominated enterprise data processing until open architecture standards gained prominence in the 1990s.

1975–1992: The Information Revolution and the Emergence of Software and PC Sectors

Year	Revenue (in $m)	Workforce
1975	14,430	288,647
1980	26,210	341,279
1985	50,050	405,535
1990	69,010	373,816
1995	71,940	225,347

In 1981, John R. Opel assumed the role of CEO at IBM. Although the company controlled a dominant 62% share of the mainframe market, it confronted difficulties such as relocating personnel and integrating diverse corporate cultures following acquisitions. Former employees went on to establish competing firms and suppliers. Anticipating competitive pressure from Japanese manufacturers, IBM enhanced manufacturing efficiency and accelerated product release cycles—occasionally incorporating third-party components or rebranding external products. Despite these initiatives, IBM’s overall share in the computer market declined from 60% in 1970 to 32% by 1980. The company failed to capitalize on the rapidly growing minicomputer segment and trailed competitors such as Wang Laboratories and Hewlett-Packard.

By the early part of the decade, IBM’s stock value suffered due to slower earnings growth relative to rivals like Digital Equipment Corporation (DEC). In 1982, following IBM’s unbundling of software and services from hardware sales, the U.S. Justice Department concluded its antitrust litigation; industry analysts observed that IBM’s once-monopolistic position had diminished.

To penetrate the personal computing market while retaining corporate clientele against competitors like Apple, IBM opened its inaugural retail Product Center in 1980 and engineered the IBM PC using widely available commercial components. Launched in August 1981 under Don Estridge’s guidance, this PC combined desirable features with IBM’s brand credibility at an affordable price point for enterprises. This innovation stimulated adoption beyond traditional IT departments through applications such as Lotus 1-2-3.

IBM leveraged its dominant position in mainframes across Europe and North America to boost PC sales; clients frequently purchased larger IBM systems alongside PCs. Unlike many competitors, IBM swiftly adapted to retail channels by deploying its own sales force. By mid-decade, it had become the world’s most profitable industrial firm with PC revenues exceeding those from minicomputers.

Industry expert Gideon Gartner cautioned that IBM’s rapid expansion posed a threat to competitors. The company set technical standards and fostered software ecosystems while maintaining leadership in leasing and computer-aided design markets. After antitrust constraints were lifted, IBM expanded into telecommunications by acquiring Rolm Corporation and investing in MCI Communications. Its substantial influence over suppliers was both an asset and a risk when order cancellations disrupted supply chains.

The introduction of the IBM PC AT in 1984 surprised industry observers with its advanced capabilities offered at competitive pricing. This growth triggered speculation about renewed antitrust scrutiny. Analysts warned that IBM’s dominance could stifle innovation among emerging startups. In 1985, Gartner Group estimated that IBM accounted for approximately 41% of revenue and 69% of profits within top data processing companies—boasting profit margins triple those of competitors. These figures raised concerns among rivals and government regulators regarding market concentration.

Nevertheless, IBM ceded leadership in PC hardware and software partly because it outsourced critical components such as operating systems to Microsoft and microprocessors to Intel—marking a departure from its traditional vertically integrated model. This strategic shift facilitated Microsoft’s and Intel’s ascendancy while fostering a broader market for PC-compatible systems outside IBM’s control.

John Akers took over as CEO in 1985. Throughout this period, IBM’s research achievements included four Nobel laureates and innovations such as Reduced Instruction Set Computing (RISC), led by John Cocke. Despite Cocke’s acclaim, IBM did not fully exploit RISC technology commercially and lost ground to competitors like Sun Microsystems.

In collaboration with Sears in 1984, IBM launched Prodigy in 1988—an early online service offering home banking and shopping—but conservative corporate policies limited its success.

IBM introduced token-ring local area network technology in 1985 to enhance information sharing among PCs. In 1988, it partnered on NSFNet initiatives that advanced Internet development; however, later decisions to protect SNA revenue streams caused IBM to retreat from Internet protocol investments—resulting in missed opportunities during the Internet boom of the 1990s. Nonetheless, these efforts laid foundational infrastructure for networked computing.

By decade's end, IBM confronted challenges typical of large enterprises burdened by high operational costs while heavily invested in low-margin commodity sectors. Its pioneering innovations—including DRAM memory chips, hard drives, and personal computers—faced erosion amid shifting trends toward client-server architectures that decentralized purchasing authority beyond traditional IT departments. Earnings dropped from over $5 billion earlier in the decade to $3 billion by 1989 amid widespread workforce reductions.

IBM acknowledged increasing industry specialization with leaders emerging across distinct domains—Intel dominating microprocessors; Microsoft leading software development; Novell excelling in networking; HP specializing in printers; Seagate focusing on storage solutions; Oracle advancing databases. Competitors such as Compaq challenged IBM's supremacy in personal computers. To better compete with leaner rivals boasting lower cost structures, management initiated restructuring into semi-independent units focused on processors, storage devices, software products, and services.

The company spun off various divisions into subsidiaries—dubbed "Baby Blues"—to enhance agility and attract external investment capital. These included AdStar (storage solutions), Application Business Systems (mid-range computing), Enterprise Systems (mainframes), Pennant Systems (large printers), and Lexmark (small printers)—the latter quickly divested via leveraged buyout after formation.

In September 1992, responding to declining profit margins amid intense price competition during that summer's PC market downturns, IBM consolidated personal computer manufacturing into an autonomous subsidiary—the IBM Personal Computer Company. This reorganization ranked among the largest corporate restructurings of its time.

By mid-1993, this PC subsidiary further segmented into specialized units such as Ambra Computer Corporation (clone PCs) and Power Personal Systems Group (PowerPC-based workstations).

Despite these structural changes, IBM's decline persisted amidst rising adoption of local area networking technologies led by Novell and shrinking mainframe sales volumes. After two consecutive years recording losses exceeding $1 billion annually, fiscal year 1992 ended with an $8.10 billion net loss—the largest single-year corporate deficit recorded in U.S history at that point—and nearly $16 billion cumulative net losses between 1991-1993. Once an industry titan, IBM was increasingly perceived as an outdated behemoth while thousands of employees—including CEO Akers—were laid off during this turbulent period.

Significant milestones

Mid-1970s: IBM VNET. IBM develops an international computer network facilitating email and file transfers, expanding to 285 mainframe nodes across Europe, Asia, and North America by 1979.
1975: Fractals. Benoit Mandelbrot, an IBM researcher, pioneers fractal geometry, providing a mathematical framework for describing natural irregularities with applications spanning engineering, economics, metallurgy, art, health sciences, and computer graphics.
1975: IBM 5100 Portable computer. IBM introduces the 5100 Portable Computer, a 50-pound desktop device aimed at engineers and analysts, priced between $9,000 and $20,000.
1976: Space Shuttle. The Enterprise shuttle debuts equipped with IBM AP-101 flight computers and specialized IBM hardware components.
1976: Laser printer. IBM launches the IBM 3800 printer, the first commercial laser printer that merges laser technology with electrophotography to expedite high-volume document printing for billing and accounting.
1977: Data Encryption Standard. The DES cryptographic algorithm developed by IBM is adopted as the U.S. national encryption standard.
1979: Retail checkout. IBM enhances the Universal Product Code (UPC) system by integrating holographic scanner technology in supermarket checkouts, facilitating widespread retail adoption worldwide.
1979: Thin film recording heads. IBM pioneers thin film "wires" using optical lithography to improve disk drive performance by increasing data density while reducing manufacturing costs.
1979: Overcoming barriers to technology use. IBM develops systems supporting Japanese and Chinese character sets alongside accessibility tools such as the Audio Typing Unit designed for visually impaired users.
1979: First multi-function copier/printer. The 6670 Information Distributor is introduced by IBM, combining laser printing and photocopying capabilities tailored for office environments.
1980: Thermal conduction modules. The IBM 3081 processor debuts featuring Thermal Conduction Modules; this innovation later earns IBM the IEEE Corporate Innovation Recognition award.
1980: Reduced instruction set computing (RISC) architecture. Based on John Cocke's design principles, IBM constructs the first RISC prototype, which becomes foundational in workstation computing architectures.
1981: IBM PC. The launch of the IBM PC revolutionizes business computing markets; it is named Time magazine's Person of the Year in 1982.
1981: LASIK surgery. IBM scientists develop excimer laser techniques that form the basis for LASIK and PRK eye surgeries.
1982: Antitrust suit. The U.S. government terminates its antitrust lawsuit against IBM due to reduced market dominance; controversy arises over a potential conflict of interest involving Assistant Attorney General William F. Baxter.
1982: Trellis-coded modulation. This modulation technique is introduced in modems to enhance data transmission rates over telephone lines and becomes widely adopted in terrestrial and satellite digital communications.
1983: IBM PCjr. IBM's attempt at entering the home computer market fails due to compatibility problems and design issues; production ceases after 18 months.
1984: IBM 3480 magnetic tape system. IBM introduces an industry-first cartridge-based tape system utilizing thin-film recording heads to improve storage efficiency.
1984: Sexual discrimination. Among major corporations, IBM is one of the earliest to include sexual orientation within its non-discrimination policy.
1984: ROLM partnership/acquisition. For $1.25 billion, IBM acquires ROLM Corporation to develop digital telephone switching systems competing with Northern Telecom and AT&T; ROLM is subsequently acquired by Siemens.
1985: MCI. IBM purchases an 18% ownership stake in MCI Communications, which ranks as the second-largest long-distance carrier in the U.S.
1985: RP3. Reentering supercomputing, IBM develops the RP3 parallel processor prototype in collaboration with NYU’s Courant Institute; it supports Cornell University's supercomputing center with over $30 million in products and assistance.
1985: Token Ring Network. Introduction of an industry-standard local area networking technology connecting printers, workstations, and servers.
1986: IBM Almaden Research Center. Dedication of California's Almaden Research Center focusing on storage technologies and computer science advancements.
1986: Nobel Prize: Scanning tunneling microscopy. Gerd K. Binnig and Heinrich Rohrer, IBM Fellows, receive the Nobel Prize for inventing atomic-scale surface imaging technology.
1987: Nobel Prize: High-Temperature Superconductivity. J. Georg Bednorz and Alex Müller are awarded the Nobel Prize for discovering high-temperature superconductivity in ceramic oxides.
1987: Antivirus tools. In response to emerging PC viruses, IBM develops antivirus software and establishes the High Integrity Computing Laboratory (HICL) to advance research on virus epidemiology.
1987: Special needs access. Introduction of screen reading technology for users with visual impairments through experimental mouse devices and the Personal System/2 Screen Reader—the inaugural product in the Independence Series of accessibility solutions.
1988: IBM AS/400. Launch of AS/400 systems targeting small to medium-sized enterprises with access to more than 1,000 software packages via IBM partners.
1988: National Science Foundation Network (NSFNET). In partnership efforts, IBM upgrades NSFNET from 56 kbit/s to T1 and subsequently T3 speeds, laying foundational infrastructure for Internet growth during the 1990s.
1989: Silicon germanium transistors. Bernie Meyerson introduces SiGe technology at IBM; this innovation enhances transistor speed while lowering costs by using silicon-germanium alloys.
1990: System/390. The System/390 family launches featuring CMOS processors; high-end models exceed 1,000 MIPS performance by 1998.
1990: RISC System/6000. Release of advanced RISC-based workstations recognized among industry leaders for speed and performance capabilities.
1990: Moving individual atoms. Physicist Donald M. Eigler uses scanning tunneling microscopy to manipulate individual atoms spelling "I-B-M" with xenon atoms—a pioneering achievement in nanotechnology.
1990: Environmental programs. Since 1973, IBM invests over $1 billion in environmental protection initiatives and participates actively in corporate environmental management worldwide efforts.
1991: Services business. Establishment of Integrated Systems Solution Corporation marks IBM's renewed focus on computer services; within four years it becomes a significant revenue generator.
1992: Personal computer division divestiture. Amid intense market competition affecting profitability, restructuring leads to creation of an autonomous subsidiary known as IBM Personal Computer Company.

1993–2018: IBM's Crisis and Revival

Year	Revenue (in $m)	Workforce
1985	50,050	405,535
1990	69,010	373,816
1995	71,940	225,347
2000	85,090	316,303
2005	91,400	329,373
2010	99,870	426,751

In April 1993, IBM appointed Louis V. Gerstner Jr. as its CEO, marking the first time since 1914 that the company selected an outsider for this role. Gerstner introduced a customer-centric approach backed by his background in management consulting at McKinsey & Company and experience with American Express and RJR Nabisco. His initial objectives included stabilizing the company by reaffirming commitment to mainframe computers, divesting the Federal Systems Division to generate liquidity, reducing the workforce to approximately 220,000 by 1994, and implementing cost-cutting measures. Importantly, he abandoned previous plans to spin off business units, maintaining IBM’s competitive edge through integrated solutions rather than isolated product lines.

These strategic actions led to a return to profitability by 1994, with net earnings reaching $3 billion. Gerstner then redirected IBM’s focus toward high-margin sectors while divesting from lower-margin areas such as DRAM manufacturing, personal printers, and hard disk drives. The company expanded its global services division as a technology-neutral systems integrator and acquired PricewaterhouseCoopers’ consulting practice in 2002 for $3.5 billion.

Software became a significant growth driver following the acquisition of Lotus Development in 1995. IBM broadened its software offerings to include DB2 database systems, Lotus applications, WebSphere middleware, Tivoli management tools, and Rational software development products—targeting middleware solutions that facilitate communication between operating systems and applications to enhance profitability. Despite the technical strengths of its OS/2 operating system, it failed to gain substantial market share against Microsoft Windows due to IBM’s "IBM First" policy and delayed Windows licensing agreements which negatively impacted PC sales.

Although hardware was no longer the primary focus under Gerstner’s leadership, IBM continued substantial investments in research and development. The mainframe business experienced renewed relevance through adoption of CMOS technology that improved both performance and cost-effectiveness. IBM also made advances in microelectronics by developing cutting-edge wafer fabrication processes and supplied semiconductor chips for prominent gaming consoles including PlayStation 3 and Xbox 360. Furthermore, the company maintained leadership in supercomputing with scalable parallel processing architectures.

The introduction of the premium ThinkPad laptop line in 1992 helped rejuvenate IBM’s brand image among professionals and technology enthusiasts alike. The firm’s prestige was further enhanced by Deep Blue’s landmark chess victory over world champion Garry Kasparov in 1997 as well as consistent dominance in supercomputer rankings and patent leadership. The collapse of many dot-com enterprises around the year 2000 underscored IBM’s reputation for a stable business model.

In order to unify its brand messaging after years of disjointed advertising involving multiple agencies, IBM centralized its marketing efforts in 1994. The company embraced emerging Internet-era opportunities such as e-commerce platforms and On Demand services while actively supporting open source initiatives.

IBM also advanced corporate social responsibility through targeted K-12 education programs and progressive human resources policies that included early adoption of diversity initiatives and benefits for domestic partners. These efforts earned recognition for IBM as a leading employer for diverse populations and women in technology fields.

In 1998, IBM combined its Personal Systems Group with the PC consulting division from Global Services to create a unified IBM Personal Systems Group. By 1999, facing shrinking market share behind competitors Compaq and Dell, IBM exited retail PC sales; this division was subsequently folded into the Personal Systems Group.

Gerstner stepped down as CEO in 2002 and was succeeded by Samuel J. Palmisano.

In 2005, IBM divested its personal computer unit to Lenovo of China. Later acquisitions included the software analytics firm SPSS Inc. in 2009 and cloud infrastructure provider SoftLayer Technologies in 2013 for approximately $2 billion. That same year IBM developed a video surveillance system deployed in Davao City.

IBM’s Blue Gene supercomputing initiative received the National Medal of Technology and Innovation in 2009. In 2011, Watson artificial intelligence gained worldwide acclaim by winning on Jeopardy!, coinciding with IBM’s centennial anniversary.

In 2014, IBM sold its x86 server operations to Lenovo for $2.1 billion while continuing investments in servers based on Power ISA architecture.

1993

IBM incorrectly anticipated critical trends in personal computing and client-server architecture, leading to a loss exceeding $8 billion in 1993. This marked the company's third straight year of billion-dollar deficits, with cumulative losses since 1991 reaching $16 billion, casting uncertainty on IBM's future.
On April 1, 1993, Louis V. Gerstner Jr. took office as IBM’s chairman and CEO, becoming the first external leader since 1914. Gerstner brought with him leadership experience from his tenure as CEO at RJR Nabisco and executive positions at American Express.
IBM RS/6000 SP system. The introduction of the Scalable POWERparallel System signaled a breakthrough in parallel computing by connecting multiple smaller processors to execute complex queries simultaneously, significantly boosting supercomputing capabilities.

1994

IBM achieved profitability for the first time since 1990 by strategically pivoting from hardware manufacturing toward services, software solutions, and integrated technology offerings.
IBM RAMAC Array Storage Family. Incorporating parallel processing, multi-level caching, RAID 5 technology, and redundancy features, RAMAC represented a leap forward in storage innovation. Nearly 2,000 units were distributed within three months following its release.
Speech recognition. IBM launched the Personal Dictation System (later known as VoiceType), which allowed users to control PCs through voice commands. By 1997, ViaVoice Gold enabled hands-free dictation and desktop navigation using natural language.

1995

Lotus Development Corporation acquisition. IBM completed the purchase of the remaining shares of Lotus Development Corporation. Lotus Notes software enhanced enterprise collaboration, propelling IBM to become the largest software company worldwide.
Glueball calculation. Utilizing GF11, a massively parallel computer at the IBM Thomas J. Watson Research Center, IBM researchers carried out a two-year computational project—the largest single numerical calculation ever performed—to analyze characteristics of the fundamental particle known as the "glueball."

1996

IBM Austin Research Laboratory opens. Situated in Austin, Texas, this facility was dedicated to cutting-edge circuit design and the development of high-performance microprocessors.
Atlanta Olympics. IBM encountered public criticism after technical issues hampered its IT support during the Atlanta Games.
Domestic partner benefits. IBM introduced benefits for domestic partners of gay and lesbian employees, advancing its commitment to workplace diversity.

1997

Deep Blue. The RS/6000 SP supercomputer Deep Blue, consisting of 32 nodes, defeated reigning World Chess Champion Garry Kasparov, marking the first occasion a computer triumphed over a reigning champion in tournament competition.
eBusiness. IBM coined the term "eBusiness," defining a new sector focused on transforming business practices through Internet technologies and establishing e-business as a foundational model in the digital age.

1998

CMOS Gigaprocessor. IBM introduced the first microprocessor capable of operating at one billion cycles per second by utilizing innovative Silicon on insulator chip technology. This breakthrough facilitated novel circuit designs and expanded product development opportunities.

1999

Blue Gene. IBM Research teams up with Lawrence Livermore National Laboratory and the U.S. Department of Energy to create supercomputers capable of surpassing one petaflop. The "Blue Gene" systems achieve performance levels 500 times higher than earlier models, significantly enhancing protein folding simulations.

2000

Quantum mirage nanotechnology. IBM researchers identify the quantum mirage phenomenon, which allows atomic-scale information transmission through electrons rather than conventional wiring. This innovation has the potential to transform nanoscale electronic circuits by removing the need for traditional wires.
IBM ASCI White – Leading supercomputer. IBM delivers the world’s most powerful supercomputer to the U.S. Department of Energy, able to handle an Internet transaction for every person worldwide in under a minute. It supports nuclear stockpile safety verification and is 1,000 times more capable than Deep Blue.
Flexible transistors. IBM creates flexible transistors from a combination of organic and inorganic substances, enabling affordable displays integrated into curved plastics and other materials, overcoming the constraints of silicon-based circuits.
Sydney Olympics. After successfully implementing technology at the Sydney Games, IBM ends its four-decade-long technology partnership with the International Olympic Committee.

2001

Edwin Black’s book IBM and the Holocaust alleges IBM’s collaboration with Nazi authorities through tabulating machines and services. Multiple lawsuits filed by Holocaust survivors were eventually dismissed without compensation.
Carbon nanotube transistors. IBM scientists produce the first-ever transistors made from carbon nanotubes—structures 500 times smaller than silicon transistors and 1,000 times stronger than steel—marking a significant step toward post-silicon computer chip materials.
Low power initiative. IBM initiates a program focused on improving IT energy efficiency by accelerating the development of ultra-low power components, servers, storage devices, personal computers, and ThinkPad laptops.
Increased density & chip performance. IBM leads mass production of hard drives coated with a new magnetic material called "pixie dust," increasing data density fourfold. The company also introduces "strained silicon" technology, which can enhance chip speeds by as much as 35%.

2002

IBM divests its hard disk drive division, selling it to Hitachi.

2003

Blue Gene/L. IBM reveals a prototype of its Blue Gene/L supercomputer approximately the size of a dishwasher, ranking as the 73rd most powerful system globally. This prototype precedes the full-scale machine built for Lawrence Livermore National Laboratory, which will be 128 times larger.

2005

Crusade Against Cancer. IBM collaborates with Memorial Sloan-Kettering Cancer Center, the Molecular Profiling Institute, and CHU Sainte-Justine Research Center to develop unified information management platforms aimed at advancing cancer research.
Acquisition of the IBM PC business by Lenovo. IBM sells its low-margin personal computer division—including ThinkPad and ThinkCentre brands—to Chinese company Lenovo.

2006

Translation software. IBM introduced sophisticated bidirectional English-Arabic speech-to-speech translation technology to U.S. military personnel in Iraq, improving communication capabilities and mitigating the shortage of military linguists.

2007

Renewable energy. IBM was ranked 12th on the US EPA’s Fortune 500 Green Power Partners list, acquiring renewable energy that accounted for 4% of its electricity consumption in the United States and 9% worldwide, supporting initiatives to reduce greenhouse gas emissions.
River monitoring with IBM Stream Computing. Partnering with The Beacon Institute, IBM developed the River and Estuary Observatory Network (REON), which offers real-time surveillance of New York’s Hudson River through a network of sensors and robotic systems powered by IBM’s Stream Computing framework.
IBM maintained leadership in patent awards in the US, receiving over 38,000 patents between 1993 and 2007. Since 1996, the company has invested approximately $5 billion annually in research and development, sustaining an active portfolio of about 26,000 US patents and more than 40,000 global patents.

2008

IBM Roadrunner Leading Supercomputer. For the ninth year running, IBM claimed the title of world’s fastest supercomputer with its Roadrunner system at Los Alamos National Laboratory. It was the first to surpass one quadrillion calculations per second and held the top speed record for over a year. The machine also demonstrated twice the energy efficiency compared to the runner-up, consuming roughly half the power for equivalent performance.
Green power initiatives. IBM unveiled its most environmentally friendly data center located in Boulder, Colorado, as part of a $350 million investment aimed at meeting rising customer demand for reduced energy costs. The center incorporates high-density computing and virtualization technologies that significantly diminish its carbon footprint.

2011

Watson. IBM’s Watson supercomputer triumphed on the television quiz show Jeopardy!, defeating champions Ken Jennings and Brad Rutter, highlighting IBM’s progress in artificial intelligence.
June 16, 2011: IBM Centennial Celebration. Marked as one of America’s most valuable companies, IBM celebrated its 100th anniversary by demonstrating sustained resilience through economic challenges and technological evolution while maintaining a leading industry position.

2014

Lenovo completed the acquisition of IBM’s x86-based server business (System x) for , finalizing the transaction on October 1, 2014. This marked a strategic realignment within IBM’s hardware offerings.

2015

April: Establishment of IBM Watson Health division. IBM Watson Health was created through acquisitions to integrate Watson technology into healthcare applications. A 2021 ACM report noted challenges related to portfolio management within this division.
October 28: Red Hat acquisition valued at $34 billion On October 28, 2018, IBM announced plans to acquire Red Hat for US$34 billion, one of its largest purchases. Red Hat now operates within IBM’s Hybrid Cloud segment.

2019–present

The acquisition of Red Hat in 2019 redirected IBM’s strategic focus toward emerging platform technologies, as stated by CEO Arvind Krishna.

In October 2020, IBM declared plans to split into two publicly traded companies. The new IBM will concentrate on high-margin cloud computing and artificial intelligence businesses, building on the foundation provided by Red Hat. The legacy Managed Infrastructure Services division was spun off as Kyndryl, which manages IT infrastructure for approximately 4,600 clients across 115 countries and holds a backlog valued at $60 billion. This divestiture represented IBM’s largest separation to date and was well received by investors.

On January 21, 2022, IBM divested Watson Health by selling it to private equity firm Francisco Partners.

In July 2022, IBM acquired Databand, a company specializing in data observability software; Databand’s staff integrated into IBM’s data and AI business unit.

In December 2022, IBM purchased Octo Consulting from Arlington Capital Partners, a Reston-based firm focused on digital transformation and IT modernization services. Additionally, IBM formed a partnership with Japanese manufacturer Rapidus, known for its 2 nm process technology.

In August 2023, IBM sold The Weather Company to private equity firm Francisco Partners.

Twentieth-century market dominance and antitrust issues

Throughout the 20th century, IBM held a commanding position in the electronic data processing sector, initially capturing over 70 percent of the market for punch cards and tabulating machines, and later securing a comparable share in the computer industry. IBM attributed its leadership to expertise, innovation, and strategic vision; nevertheless, both government authorities and competitors accused the company of engaging in anti-competitive tactics such as predatory pricing, product tying, manipulation of offerings, and spreading FUD about competitors. Over the century, IBM was subject to more than twenty antitrust investigations and lawsuits initiated by governmental bodies and private parties. While it lost only one case outright, many others were resolved through settlements that had a profound impact on the industry landscape. By the end of the century, IBM’s supremacy had diminished, with some analysts linking this decline partly to management’s preoccupation with antitrust litigation during the 1970s.

1936 Consent Decree

In 1932, U.S. prosecutors challenged IBM’s requirement that customers leasing tabulating machines purchase punched cards exclusively from IBM. After losing this case, IBM consented in 1936 to a decree prohibiting this tying arrangement. The decree mandated IBM to facilitate support for alternative card suppliers, effectively establishing an independent market for punched cards and subsequently for related computer accessories such as magnetic tapes and disk packs.

1956 Consent Decree

The U.S. Government initiated legal action on January 21, 1952, which culminated in a consent decree signed on January 25, 1956. This agreement sought to enhance competition within the data processing industry through several key measures:

IBM was required to offer equipment sales under terms equivalent to those available to leasing customers, thereby creating markets for used IBM hardware and enabling third-party lease financing.
The company had to provide parts and technical information to independent maintenance providers, encouraging a competitive market for hardware servicing.
Data processing services were to be offered through a subsidiary treated as an independent entity, fostering competition in service offerings.
IBM was obligated to grant non-exclusive, non-transferable global patent licenses at reasonable royalties, contingent upon licensees reciprocating with cross-licenses under similar terms. This provision dismantled patent obstacles and promoted equipment manufacturers compatible with IBM systems.

Although this decree did not curtail IBM’s computing market dominance directly, it opened competition in leasing, maintenance services, peripherals, and eased entry barriers via mandatory patent cross-licensing.

This decree remained active until 1996 and was gradually phased out over the subsequent five years.

1968–1984 Series of government and private antitrust actions

Beginning in 1968 with a lawsuit filed by Control Data Corp., IBM confronted numerous antitrust claims including a major U.S. government suit in 1969, nineteen private lawsuits within the United States, and one complaint lodged in Europe. While IBM settled some cases, it largely succeeded in defending itself. The prominent government case—backed by four presidential administrations and their Attorneys General—was ultimately dismissed in 1982 by William Baxter, Reagan’s Assistant Attorney General responsible for antitrust enforcement, who deemed it “without merit.”

1968–1973 Control Data Corp. v. IBM

Control Data Corporation (CDC) initiated an antitrust action against IBM in a federal court located in Minnesota, accusing IBM of monopolizing the computer industry by announcing products it ultimately failed to deliver, thereby breaching section 2 of the Sherman Antitrust Act. An internal IBM memorandum from 1965 acknowledged CDC's assertions regarding IBM’s frequent alterations in models and pricing, which adversely affected CDC's financial results. The dispute concluded in 1973 when IBM agreed to a settlement involving roughly $80 million in cash and the transfer of assets, including the IBM Service Bureau Corporation, to CDC.

1969–1982 U.S. v. IBM

On January 17, 1969, the United States government lodged a formal complaint in the Southern District of New York, charging IBM with monopolizing the market for general-purpose electronic digital computers used for business applications, violating Section 2 of the Sherman Antitrust Act. The complaint also cited anticompetitive conduct directed at leasing firms and manufacturers of plug-compatible peripherals.

In June 1969, IBM responded by separating its software and services from hardware sales—a move broadly interpreted as a reaction to the lawsuit—which spurred the development of a competitive market for software products.

The principal allegations included:

Discriminatory pricing practices through provision of free software services.
Tying software sales with hardware under a single pricing scheme.
Engaging in predatory pricing and preannouncing hardware to discourage competitors.
Publicizing products unlikely to be delivered on time.
Selling below cost to disadvantage peripheral producers and leasing companies.

This significant monopoly litigation involved extensive discovery, with IBM producing some 30 million pages of documentation, and protracted proceedings lasting over ten years. The trial ended on January 8, 1982, when Assistant Attorney General William Baxter dismissed the case as lacking merit.

1969–1981 Private antitrust lawsuits

Following the government’s 1969 antitrust suit, IBM faced approximately eighteen private antitrust lawsuits, prevailing in all but one instance. Noteworthy cases included:

Greyhound Computer Corp.

Greyhound, a leasing company, filed suit under Illinois antitrust statutes. The matter proceeded to trial in federal court in 1972, resulting initially in a directed verdict favoring IBM. However, this decision was overturned by an appellate court in 1977. Shortly before a scheduled retrial in January 1981, IBM and Greyhound reached a settlement agreement for $17.7 million.

Telex Corp.

Telex, a manufacturer of peripheral devices, initiated litigation against IBM in 1972 alleging monopolization of electronic data processing equipment and plug-compatible peripherals markets. At a non-jury trial held in 1973, IBM was found to possess monopoly power and was ordered to pay treble damages amounting to $352.5 million and to disclose peripheral interface specifications. Conversely, Telex was found guilty of misappropriating IBM trade secrets. The ruling against IBM was later reversed on appeal, and by October 1975 both parties mutually discontinued litigation without any payments exchanged.

Other private lawsuits

IBM succeeded in additional private suits brought by California Computer Products Inc., Memorex Corp., Marshall Industries, Hudson General Corp., Transamerica Corporation, and Forro Precision, Inc. Of particular note was the Transamerica case which concluded with a directed verdict following a deadlocked jury.

1980–1984 European Union

The European Economic Community Commission on Monopolies launched an investigation against IBM under article 86 of the Treaty of Rome for exploiting its dominant position in the European computer market by impeding manufacturers of plug-compatible devices. This inquiry concluded in 1984 when IBM consented to modify its business conduct, particularly regarding the disclosure of device interface specifications.

Products and technologies

See List of IBM products

Development of IBM's operating systems

IBM’s operating systems progressed in tandem with hardware advancements. Initially, operating systems were regarded as minor extensions of hardware, but with the introduction of the System/360, they became increasingly sophisticated, expensive, and essential for enterprise functions.

High-level languages

IBM’s involvement in the evolution of high-level programming languages (HLL) was multifaceted, balancing innovation with strategies to maintain platform dependency. Notable languages linked to IBM include:

FORTRAN – predominant for scientific and engineering computations
PL/I – created as a versatile all-purpose programming language
COBOL – widely adopted for business-oriented applications
APL – an early interactive language featuring mathematical symbols
PL/S – IBM’s proprietary language for internal systems programming
RPG – originated on the IBM 1401 for generating reports, later enhanced to compete with COBOL on midrange platforms
SQL – relational database query language developed from IBM's System R, now a universal standard
Rexx – a macro and scripting language inspired by PL/I syntax, created for the Conversational Monitor System (CMS) by IBM Fellow Mike Cowlishaw

IBM and AIX/UNIX/Linux/SCO

IBM’s engagement with the UNIX and Linux communities was often conflicted due to its dominant mainframe interests. The development of alternative platforms like the RS/6000 threatened to undermine IBM’s profitable mainframe segment. This internal rivalry frequently limited IBM’s capacity to fully leverage emerging technologies despite its strong technical expertise.

For instance, IBM’s GFIS offerings in infrastructure management and GIS led the utilities sector; however, its transition in the 1990s from mainframe-based to workstation-centric solutions faltered. This shift caused some clients to migrate to competitors, adversely affecting IBM’s market standing.

Although IBM adopted an open source approach during the 1990s, it later became involved in legal disputes with the SCO group over intellectual property claims concerning UNIX and Linux, complicating its position within these ecosystems.

External links

IBM Historical Archives and Company Timeline
Centennial Review of IBM’s First 100 Years
THINK: A Chronicle of IBM’s Progress from the 1890s through 2001
Oral Interview with James W. Birkenstock, Charles Babbage Institute – Covers IBM’s transformation from tabulating equipment to a pioneer in data processing, highlighting developments such as magnetic tape technology, participation in the Korean War, the IBM 701 computer, and initial ventures into the computing market with the IBM 702
Biographies and Builders Resource Collection at IBM Archives