List of United States natural gas companies

This is a list of natural gas companies in the United States.

This list is incomplete; you can help by adding missing items. (August 2008)

Alabama

• Spire

Alaska

• Enstar Natural Gas
• Fairbanks Natural Gas

Arizona

• Southwest Gas Corporation
• Transwestern Pipeline

Arkansas

• Chesapeake Operating Inc
• CenterPoint Energy Gas Transmission
• Kinder Morgan, Inc.
• Mississippi River Transmission
• SourceGas Arkansas Inc.
• Spectra Energy, 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
• 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 (via Yankee Gas)
• UIL Holdings Corp (via 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

Hawaii

• Hawai'i Gas

Kansas

• Aquila, Inc.
• Atmos Energy
• Kansas Gas Service
• Panhandle Eastern Pipe Line
• Xcel Energy
• Black Hills Energy

Kentucky

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

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
• Vectrennipsco

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
• 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
• Unitil Corporation
• Wakefield Municipal Gas and Light Department
• Westfield Gas and Electric Department

Michigan

• Consumers Energy
• Direct Energy
• DTE Energy
• Semco Energy
• TransCanada
• We Energies

Mississippi

• Atmos Energy

Missouri

• Missouri Gas Energy
• 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

Nebraska

• Metropolitan Utilities District
• SourceGas Distribution, LLC
• Northwestern Corporation
• Black Hills Energy

Nevada

• NV Energy
• Southwest Gas Corporation

New Jersey

• Direct Energy
• Elizabethtown Gas
• New Jersey Resources
• New Jersey Natural
• Public Service Enterprise Group
• South Jersey Industries
• Public Service Electric and Gas (PSE&G)

New Hampshire

• Eversource Energy
• Unitil Corporation

New Mexico

• Transwestern Pipeline
• Xcel Energy
• New Mexico Gas (NMG)

New York

• Central Hudson Gas & Electric
• Corning Natural Gas
• Direct Energy
• National Fuel Gas
• National Grid USA
• Consolidated Edison
• Rochester Gas & Electric (RG&E)
• New York State Electric & Gas (NYSEG)
• St. Lawrence Gas

North Carolina

• Duke Energy
• Piedmont Natural Gas
• XOOM Energy
• Public Service of North Carolina (PSNC)
• Frontier Natural Gas,

North Dakota

• Xcel Energy
• MDU Resources

Ohio

• Direct Energy
• East Ohio Gas
• Duke Energy
• Nisource
• Columbia Gas of Ohio
• Dominion Energy
• Northeast Ohio Natural Gas
• Orwell Natural Gas

Oklahoma

• Chesapeake Energy
• Oklahoma Gas & Electric
• Oklahoma Natural Gas
• ONEOK
• Xcel Energy
• Arkansas Oklahoma Gas Corporation

Oregon

• Avista Utilities
• Northwest Natural Gas
• Cascade Natural Gas

Pennsylvania

• CNX Resources
• Columbia Gas of Pennsylvania
• Direct Energy
• EQT Corporation
• National Fuel Gas
• PECO Energy Company
• Peoples Natural Gas
• Philadelphia Gas Works
• UGI

Rhode Island

• Providence Gas Company (National Grid USA)
• Rhode Island Energy

South Carolina

• Piedmont Natural Gas
• SCANA Corporation
• Lancaster County Natural Gas Authority
• Patriots Energy Group
• York County Gas Authority
• Chester County Gas Authority
• Fountain Inn Natural Gas
• SCE&G
• Dominion Carolina Gas Transmission
• Fort Hill Natural Gas Authority

South Dakota

• Xcel Energy
• Northwestern Corporation
• MDU Resources

Tennessee

• Atmos Energy
• Piedmont Natural Gas

Texas

• Atmos Energy
• Texas Gas Service
• SiEnerg
• Oro Negro
• Lewis Energy
• CenterPoint Energy
• ConocoPhillips
• CoServ Gas
• Direct Energy
• Gulf South Pipeline
• Patara Oil & Gas LLC
• Texas Natural Gas
• Transwestern Pipeline
• J-W Operating Company
• Xcel Energy
• Talos Energy

Utah

• Dominion Energy

Vermont

• Énergir

Virginia

• Atmos Energy
• EQT Corporation
• Washington Gas
• Virginia Natural Gas
• Columbia Gas of Virginia
• Dominion Energy
• Columbia Gas Transmission
• Appalachian Natural Gas Distribution Company
• Roanoke Gas Company
• Carroll County Natural Gas
• CNX Resources
• Richmond Gas Works

Washington

• Avista Utilities
• Puget Sound Energy
• Cascade Natural Gas
• Northwest Natural Gas - City of Ellensburg

West Virginia

• EQT Corporation
• NiSource
• Bluefield Natural Gas
• Mountaineer Gas Company

Wisconsin

• We Energies
• Xcel Energy
• Madison Gas & Electric

Wyoming

• SourceGas Distribution, LLC
• Dominion Energy
• MDU Resources
• Black Hills Energy

District of Columbia

• Washington Gas

Puerto Rico

• EcoEléctrica

• Lists of public utilities