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Bunker Ramo

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Adapted from the English Wikipedia article Bunker Ramo, available under CC BY-SA 4.0Updated 8 August 2025
Bunker Ramo Corporation
Company typeJoint venture
IndustryElectronics
Founded1964
FounderGeorge M. Bunker, Simon Ramo
Headquarters
Trumbull, Connecticut
,
United States
ProductsMilitary electronic equipment, digital computing systems, video display terminals
ParentAllied Corporation (from 1981), now part of Honeywell

Bunker Ramo Corporation, commonly referred to as Bunker Ramo, was an American electronics firm headquartered in Trumbull, Connecticut. Established in 1964 by George M. Bunker and Simon Ramo, the company was jointly owned by Martin-Marietta and Thompson Ramo Wooldridge (TRW). The assets of Teleregister Corporation were incorporated into this newly formed enterprise.

The company focused on producing military electronic equipment and digital computing systems, notably the transistor-based BR-133 introduced in 1964, known as the AN/UYK-3. Additionally, Bunker Ramo provided video display terminals tailored for the financial industry. In 1967, it merged with Amphenol, a prominent manufacturer of electrical connectors. By 1969, the merged organization was ranked 338 on the Fortune 500 list.

In February 1971, Bunker Ramo launched the inaugural version of the Automated Quotations system developed by the National Association of Securities Dealers, widely recognized as NASDAQ.

Allied Corporation (which later became AlliedSignal) acquired Bunker Ramo in 1981. The company is presently part of the Honeywell group.

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