| 1 | A & A Producers & Operators/Energy Prop. | | Oil & Gas Operator | Dec 1996 |
| 2 | Addington Exploration, LLC | | Oil & Gas Operator | Dec 2006 |
| 3 | Alliance Petroleum Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 4 | Ashland Exploration Properties Inc | | Gas Operator | Dec 1996 |
| 5 | Base Petroleum, Inc. | South Charleston, WV 25309-0000 | Oil & Gas Operator | Dec 2021 |
| 6 | Berea Oil & Gas Corp | Buffalo, NY 14202 | Oil & Gas Operator | Dec 2002 |
| 7 | BG Production, LLC | Denver, NC 28037-8088 | Oil & Gas Operator | Dec 2021 |
| 8 | Bill And Jesse, Inc | | Oil & Gas Operator | Dec 2021 |
| 9 | Blazer Energy Corp. | Alexandria, VA 22314 | Oil & Gas Operator | Dec 2014 |
| 10 | Boyd O & G, Inc. | Charleston, WV 25301 | Oil & Gas Operator | Dec 2021 |
| 11 | Braxton Oil And Gas Corp. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2021 |
| 12 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 13 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 14 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 15 | Classic Oil & Gas Resources Inc | | Gas Operator | Dec 2008 |
| 16 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
| 17 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 18 | Columbia Natural Resources, LLC | Charleston, WV 23502 | Oil & Gas Operator | Dec 2021 |
| 19 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 20 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2024 |
| 21 | Deep Ford Gas Company | Charleston, WV 25321-0169 | Gas Operator | Dec 2021 |
| 22 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Mar 2026 |
| 23 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
| 24 | Eagle Energy, Inc. | Moreland, KS 67650 | Oil & Gas Operator | Dec 2021 |
| 25 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 26 | Eastern States Exploration Co. | | Gas Operator | Dec 2021 |
| 27 | Eastern States Oil & Gas, Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2020 |
| 28 | Elahs Gas Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 29 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 30 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jan 2026 |
| 31 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 32 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 33 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Jan 2026 |
| 34 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 35 | Guyan Gas Producers, Inc. | Oceana, WV 24870 | Gas Operator | Dec 2018 |
| 36 | Jackson Resources Co | | Oil & Gas Operator | Dec 2018 |
| 37 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Jan 2026 |
| 38 | Lippizan Petroleum, Inc. | Ellenboro, WV 26346 | Oil & Gas Operator | Dec 2025 |
| 39 | Mahue Construction Company | Huntington, WV 25724-2345 | Oil & Gas Operator | Dec 2021 |
| 40 | May Gas, Inc. | | Oil & Gas Operator | Dec 2008 |
| 41 | Mountain V Oil & Gas, Inc. | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2024 |
| 42 | Myers Drilling Company | Barboursville, WV 25504 | Oil & Gas Operator | Dec 2024 |
| 43 | New River Energy Corporation | | Gas Operator | Dec 2017 |
| 44 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 45 | Operator Unknown | Charleston, WV 25304-0000 | Oil & Gas Operator | Dec 2021 |
| 46 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Mar 2026 |
| 47 | P & S Oil And Gas Corporation | | Gas Operator | Dec 1996 |
| 48 | Peake Operating Company | | Oil & Gas Operator | Dec 1999 |
| 49 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 50 | Pillar Energy, LLC | Charleston, WV 25312-5987 | Oil & Gas Operator | Dec 2025 |
| 51 | PMJ, Inc. | Man, WV 25635-0000 | Gas Operator | Dec 2021 |
| 52 | Quality Natural Gas, LLC | Allen, KY 41601 | Oil & Gas Operator | Dec 2024 |
| 53 | Sigma Corporation | Charleston, WV 25301-2644 | Gas Operator | Dec 2021 |
| 54 | Southeastern Gas Company | | Oil & Gas Operator | Dec 2019 |
| 55 | SWV Energy Operating LLC | Spring, TX 77379 | Gas Operator | Dec 2018 |
| 56 | T & F Exploration, LP | Pittsburgh, PA 15241-1375 | Oil & Gas Operator | Oct 2025 |
| 57 | The Calvert Company | Oklahoma City, OK 73154-1589 | Oil & Gas Operator | Dec 2021 |
| 58 | Toney Branch Gas Company | Huntington, WV 25702-0086 | Gas Operator | Dec 2021 |
| 59 | White Gas Company | Barboursville, WV 25504-0000 | Gas Operator | Dec 2017 |