# List of United States natural gas companies

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

## 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.
* 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
* 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
* 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
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
* Liberty Utilities
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
* Expand Energy
* Oklahoma Gas & Electric
* Oklahoma Natural Gas
* ONEOK
* Williams Companies
* Xcel Energy
* Arkansas Oklahoma Gas Corporation
Oregon
* Avista Utilities
* Northwest Natural Gas
* Cascade Natural Gas
New Hampshire
* Liberty Utilities
Pennsylvania
* CNX Resources
* Columbia Gas
* Direct Energy
* EQT Corporation
* National Fuel Gas
* PECO Energy Company
* Peoples Natural Gas
* Philadelphia Gas Works
* UGI
Rhode Island
* Providence Gas Company (National Grid plc)
* 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
* 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

## Territories

District of Columbia
* Washington Gas
Puerto Rico
* EcoEléctrica