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Members

2024 Membership

Corporate Member

Affiliate Members

AltaGas
Apex Utilities
ATCO Gas
Atmos Energy

Avangrid
Avista
Baltimore Gas and Electric 
Black Hills Energy
CenterPoint Energy
Central Hudson Gas and Electric
Chesapeake Utilities
Chester County Natural Gas Authority
Citizens Energy Group
Columbia Gas
Corning Natural Gas
Delmarva Power
Dominion Energy
DTE Energy
Duke Energy
East Tennessee Group
Eastward Energy
Enbridge Gas Inc.
Energir
Exelon
Florida Municipal Natural Gas Association
Florida Public Utilities 
FortisBC
Greenville Utilities
Hawaii Gas
Hearthstone Utilities
Liberty
MDU Resources
Municipal Gas Authority of Georgia
National Fuel Gas Distribution
New Jersey Natural Gas
NiSource
NIPSCO
NW Natural

NYSEG/RGE
ONE Gas
PECO
Philadephia Gas Works
Peoples Natural Gas
Puget Sound Energy
SaskEnergy

SEMCO ENERGY
SoCalGas
Southeast Gas

South Jersey Gas
Southern Company Gas

Southwest Gas Corporation
Spire
Summit Utilities
TECO Peoples Gas

UGI Utilities
Vermont Gas
Washington Gas
Xcel Energy
York County Natural Gas

2G Energy
3Degrees Inc.
A.O.  Smith Corporation
American Gas Association

American Gas Lamp Works
Apogee
Array Industries
Axiom Energy Group
Bekaert Combustion
Blue Mountain Energy
Bradford White
Broad USA

CarbonQuest
CEM Engineering
Cambridge Air Solutions
Capstone Green Energy
Clayton Boilers

ClearSign
Dettson Industries
Energy Solutions
Enginuity Power Systems
Equipment Controls Corp
Gas Technology Institute
HomeServe USA
Homy Building Solutions
Ingevity
Kinder Morgan
MCR Performance Solutions
Miura
Modern Electron
Natural Gas Technology Centre  
Natural Resources Canada
Navien America
New Jersey Resources Home Services
Northwest Energy Efficiency Alliance
OmegaFlex
Penn Power

Relms, Inc.
RenewABILITY
Rheem
Rinnai

Robur
Romet
Schwank Ltd.
Shannon Global Energy Solutions
Solar Turbines

Stone Mountain Technologies, Inc. 
Superior Radiant Products Ltd.
TEDOM
Tecogen
ThermoLift, Inc. 
WS Thermal Processing
Weil McLain
White Whale Solutions
Williams Furnaces
Xebec
Yanmar