This is a list of natural gas companies in the United States.
Alabama – Alagasco
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 – 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, Northeast Utilities (via Yankee Gas), UIL Holdings Corp (via Connecticut Natural Gas and Southern Connecticut Gas)
Delaware – Chesapeake Utilities Corporation
District of Columbia – Washington Gas
Florida – metl, Florida Gas Transmission Company, Mirabito Gas, TECO Peoples Gas
Georgia – AGL Resources, Gas South
Hawaii - Hawai'i Gas
Kansas – Aquila, Inc., Atmos Energy, Kansas Gas Service, Panhandle Eastern Pipe Line, Xcel Energy, Black Hills Energy
Kentucky – EQT Corporation, Columbia Gas, People's Gas, Chesapeake Energy
Louisiana – Florida Gas Transmission Company, Gulf South Pipe Line, Trunkline Gas Company, Entergy, ATMOS Energy
Idaho – Avista Utilities, Intermountain Gas Company
Illinois – Direct Energy, Hudson Energy, Illinois Gas Transmission, Nicor Gas, Panhandle Eastern Pipe Line, Peoples Energy, Integrys
Indiana – Direct Energy, Panhandle Eastern Pipe Line, Vectren
Iowa - MidAmerican Energy Company, Black Hills Energy
Maine – Northeast Utilities, Unitil Corp., Bangor Gas, Maine Natural GasSummit Nature Gas
Maryland – Baltimore Gas & Electric, Direct Energy, Northeast Utilities, Washington Gas, UGI
Massachusetts – Columbia Gas of Massachusetts, NSTAR, Northeast Utilities (including Western Massachusetts Electric Company/WMECO), Bay State Gas
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
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, Northeast Utilities, Public Service Enterprise Group, South Jersey Industries, Public Service Electric and Gas (PSE&G)
New Hampshire – Bay State Gas, Northeast Utilities
New Mexico – Transwestern Pipeline, Xcel Energy, New Mexico Gas (NMG)
New York – Central Hudson Gas & Electric, Direct Energy, National Fuel Gas, National Grid USA, Northeast Utilities, Consolidated Edison, Rochester Gas & Electric (RG&E), New York State Electric & Gas (NYSEG)
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, Dominion, 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 – Direct Energy, EQT Corporation, National Fuel Gas, UGI, Philadelphia Gas Works, Peoples Natural Gas
Rhode Island – National Grid USA
South Carolina – Piedmont Natural Gas, SCANA Corporation Lancaster County Natural Gas Authority
South Dakota – Xcel Energy, Northwestern Corporation, MDU Resources,
Tennessee – Piedmont Natural Gas
Texas – Texas Gas Service, Atmos Energy, SiEnergy, CenterPoint Energy Florida Gas Transmission Company, ConocoPhillips, CoServ Gas, Direct Energy, Gulf South Pipe Line, Patara Oil & Gas LLC, Texas Natural Gas, Transwestern Pipeline, J-W Operating Company, Xcel Energy
Utah – Questar
Vermont – Northeast Utilities
Virginia – EQT Corporation, Washington Gas, Virginia Natural Gas
Washington – Avista Utilities, Puget Sound Energy, Cascade Natural Gas, Northwest Natural Gas
West Virginia – EQT Corporation, NiSource
Wisconsin – We Energies, Xcel Energy
Wyoming – SourceGas Distribution, LLC, Questar, MDU Resources, Black Hills Energy.
List of United States natural gas companies Wikipedia (Text) CC BY-SA