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 (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 • 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 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 • Summit Utilities, Inc. •
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 • Summit Utilities, Inc. • 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 ==