Legacy Natural Gas STAR Partners
The companies listed on this page were active partners in the Natural Gas STAR Partnership as of 2022 (the years active in the partnership are listed in parentheses).
If your company was active in the partnership prior to 2022 and would like to be added to the list, please email gasstar@epa.gov.
Please note: EPA may not endorse the products or services of commercial companies. Any reference to a specific commercial product or service by trade name, trademark, manufacturer, company, or otherwise does not constitute or imply the endorsement or recommendation of EPA.
- Alabama Gas Company (2014 - 2022)
- Antero Midstream (2017 - 2022)
- Antero Resources (2017 - 2022)
- Baltimore Gas and Electric Company (an Exelon Company) (1993 - 2022)
- Black Hills Energy (2008 - 2022)
- Boardwalk Pipelines (2020 - 2022)
- CenterPoint Energy Minnesota Gas (1997 - 2022)
- Central Valley Gas Storage, L.L.C. (2012 - 2022)
- City of Ellensburg, WA (2022)
- Columbia Gas of Kentucky, Inc. (a NiSource Company) (1993 - 2022)
- Columbia Gas of Maryland, Inc. (a NiSource Company) (1993 - 2022)
- Columbia Gas of Massachusetts, Inc. (a NiSource Company) (1994 - 2022)
- Columbia Gas of Ohio, Inc. (a NiSource Company) (1993 - 2022)
- Columbia Gas of Pennsylvania, Inc. (a NiSource Company) (1993 - 2022)
- Columbia Gas of Virginia, Inc. (a NiSource Company) (1993 - 2022)
- Columbia Gas Transmission (TransCanada) (1999 - 2022)
- Columbia Gulf Transmission (TransCanada) (1999 - 2022)
- Consolidated Edison Company of New York (1993 - 2022)
- Consumers Energy (1996 - 2022)
- Delmarva Power (1996 - 2022)
- Diversified Energy Company (2021 - 2022)
- Dominion Energy Carolina Gas Transmission, LLC (2016 - 2022)
- Dominion Energy Ohio (2014 - 2022)
- Dominion Energy Questar Pipeline (2018 - 2022)
- Dominion Energy Transmission, Inc. (2011 - 2022)
- Dominion Energy Utah, Wyoming, Idaho (2018 - 2022)
- Dominion Energy West Virginia (2015 - 2022)
- Dominion Energy Wexpro (2014 - 2022)
- Enable Midstream Partners, LP (2003 - 2022)
- Extraction Oil & Gas, Inc. (2017 - 2022)
- Hess Corporation's Americas Exploration and Production (1997 - 2022)
- Iroquois Gas Transmission System (1996 - 2022)
- Kansas Gas Services (a division of ONE Gas, Inc.) (2008 - 2022)
- Kern River Gas Transmission Company (2018 - 2022)
- Kinder Morgan (1993 - 2022)
- Missouri Gas Energy (2015 - 2022)
- National Grid (1994 - 2022)
- New Jersey Natural Gas Company (2004 - 2022)
- New York State Electric & Gas Corporation (1993 - 2022)
- Nicor Gas (2004 - 2022)
- Northern Indiana Public Service Company (a NiSource Company) (1994 - 2022)
- Northern Natural Gas (1994 - 2022)
- Oklahoma Natural Gas (a division of ONE Gas, Inc.) (2008 - 2022)
- ONEOK Partners (2000 - 2022)
- Orange and Rockland Utilities, Inc. (1994 - 2022)
- Pacific Gas & Electric Company (1994 - 2022)
- PECO (an Exelon Company) (1995 - 2022)
- Public Service Electric and Gas Company (PSE&G) (1993 - 2022)
- Range Resources Corporation (2019 - 2022)
- Rochester Gas & Electric Corporation (1994 - 2022)
- Seneca Resources Company, LLC (2015 - 2022)
- Shell Exploration & Production Company (1995 - 2022)
- Southern California Gas (a Sempra Energy Utility) (1993 - 2022)
- Southern Company Gas (1993 - 2022)
- Southwest Gas Corporation (1997 - 2022)
- Southwestern Energy Company (2005 - 2022)
- Spectra Energy Transmission (2000 - 2022)
- Spire (2007 - 2022)
- Targa Resources, Inc. (2000 - 2022)
- Texas Gas Services (a division of ONE Gas, Inc.) (2008 - 2022)
- UGI Utilities, Inc. (1993 - 2022)
- Washington Gas (1993 - 2022)
- Williams Gas Pipeline (1993 - 2022)
- Xcel Energy (2008 - 2022)