List of United States natural gas companies

States

Alabama

• Spire

Alaska

• Enstar Natural Gas
• Fairbanks Natural Gas

Arizona

• Southwest Gas Corporation
• Transwestern Pipeline

Arkansas

• CenterPoint Energy Gas Transmission
• Kinder Morgan, Inc.
• Mississippi River Transmission
• SourceGas Arkansas Inc.
• Spectra Energy, Inc.
• Summit Utilities, Inc.
• Arkansas Oklahoma Gas Corporation
• Black Hills Energy

California

• City of Long Beach Gas & Oil Department
• City of Palo Alto Gas Department
• Pacific Gas & Electric
• San Diego Gas & Electric
• Southern California Gas
• Sierra Pacific - Nevada & California, Southwest Gas Corporation
• Vernon Light & Power Department
• Clean Energy

Colorado

• Atmos Energy
• Colorado Natural Gas
• El Paso Natural Gas
• Patara Oil & Gas
• SourceGas Distribution, LLC
• Transwestern Pipeline
• Xcel Energy
• Murex Petroleum
• Black Hills Energy

Connecticut

• City of Norwich Department of Public Utilities
• Eversource Energy (through Yankee Gas)
• UIL Holdings Corp (operating Connecticut Natural Gas and Southern Connecticut Gas)

Delaware

• Chesapeake Utilities
• Delmarva Power

Florida

• Florida Gas Transmission Company
• Mirabito Gas
• TECO Peoples Gas
• Florida Public Utilities
• Lake Apopka Natural Gas

Georgia

• Southern Company Gas
• Gas South
• Liberty Utilities

Hawaii

• Hawai'i Gas

Kansas

• Atmos Energy
• Kansas Gas Service
• Panhandle Eastern Pipe Line
• Xcel Energy
• Black Hills Energy

Kentucky

• Atmos Energy
• EQT Corporation
• Columbia Gas
• People's Gas

Louisiana

• Atmos Energy
• Florida Gas Transmission Company
• Gulf South Pipe Line
• Trunkline Gas Company
• Entergy

Idaho

• Avista Utilities
• Intermountain Gas Company

Illinois

• Direct Energy
• Ameren Illinois Company
• Hudson Energy
• Illinois Gas Transmission
• Nicor Gas
• Panhandle Eastern Pipe Line
• Peoples Gas
• North Shore Gas
• Integrys

Indiana

• Direct Energy
• [Panhandle Eastern Pipe Line, Vectren|Panhandle Eastern Pipe Line]
• [Panhandle Eastern Pipe Line, Vectren|Vectren]nipsco

Iowa

• [MidAmerican Energy Company]
• [Black Hills Energy]

Maine

• [Unitil Corp.]
• [Bangor Gas]
• [Maine Natural Gas]
• Summit Natural Gas

Maryland

• [Columbia Gas of Maryland] - Baltimore Gas & Electric
• [Chesapeake Utilities]
• [Direct Energy]
• [Easton Utilities]
• [Northeast Utilities]
• [Sandpiper Energy]
• [UGI Corporation|UGI]
• [Washington Gas]

Massachusetts

• [Berkshire Gas]
• [Blackstone Gas Company]
• [Colonial Gas]
• [Columbia Gas of Massachusetts]
• [Eversource Energy]
• [Holyoke Gas and Electric]
• [Liberty Utilities]
• [Middleboro Municipal Gas and Electric Department]
• [National Grid plc|National Grid]
• [Unitil Corporation]
• [Wakefield Municipal Gas and Light Department]
• [Westfield Gas and Electric Department]

Michigan

• [Consumers Energy]
• [Direct Energy]
• [DTE Energy]
• [Semco Energy]
• [TransCanada Corporation|TransCanada]
• [We Energies]

Mississippi

• [Atmos Energy]

Missouri

• [Missouri Gas Energy]
• Summit Natural Gas
• [City Utilities of Springfield]
• [Laclede Gas]
• [Spire Inc]

Minnesota

• [Xcel Energy]
• [CenterPoint Energy]

Montana

• [Northwestern Corporation]
• [MDU Resources]
• [Energy West Montana]
• [Cut Bank Gas Company]

Territories

District of Columbia

• Washington Gas Company

Puerto Rico

• EcoEléctrica, LLC

See also

• Lists of public utilities