| 1 | Alliance Petroleum Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 2 | Base Petroleum, Inc. | South Charleston, WV 25309-0000 | Oil & Gas Operator | Dec 2021 |
| 3 | Berea Oil & Gas Corp | Buffalo, NY 14202 | Oil & Gas Operator | Dec 2002 |
| 4 | Blazer Energy Corp. | Alexandria, VA 22314 | Oil & Gas Operator | Dec 2014 |
| 5 | Braxton Oil And Gas Corp. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2021 |
| 6 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 7 | CDX Gas, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2009 |
| 8 | Cenestia Energy Inc | | Oil & Gas Operator | Dec 1998 |
| 9 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 10 | Clear Fork Gas Company | Albany, TX 76430 | Oil & Gas Operator | Apr 2026 |
| 11 | Clowser Well Service, Inc. | | Oil & Gas Operator | Dec 2021 |
| 12 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
| 13 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jan 2026 |
| 14 | Columbia Natural Resources, LLC | Charleston, WV 23502 | Oil & Gas Operator | Dec 2021 |
| 15 | Commonwealth Energy, Inc. | Weston, WV 26452-0000 | Oil & Gas Operator | Dec 2021 |
| 16 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |
| 17 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2024 |
| 18 | D & R Energy | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 19 | D. C. Malcolm, Inc. | Charleston, WV 25301 | Oil & Gas Operator | Dec 2021 |
| 20 | Danny E Webb Construction Inc | Lochgelly, WV 25866 | Gas Operator | Dec 2020 |
| 21 | Deran Resources, Inc. | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 22 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Apr 2026 |
| 23 | Dolphin Energy LLC | Lake Worth, FL 33467 | Oil & Gas Operator | Nov 2025 |
| 24 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
| 25 | Emax Oil Company | Charlottesville, VA 22903-4973 | Oil & Gas Operator | Dec 2016 |
| 26 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 27 | Energy Search Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
| 28 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 29 | Enervest Operating, L.L.C., A Limited Liability Company | | Oil & Gas Operator | Dec 2019 |
| 30 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 31 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jan 2026 |
| 32 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 33 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | Jan 2026 |
| 34 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 35 | Freedom Oil & Gas, Inc. | Branchland, WV 25506 | Gas Operator | Dec 2021 |
| 36 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Jan 2026 |
| 37 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 38 | Jackson Resources Co | | Oil & Gas Operator | Dec 2018 |
| 39 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Jan 2026 |
| 40 | Linn Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 41 | Milton Oil & Gas Company | Charleston, WV 25322 | Gas Operator | Nov 1997 |
| 42 | New River Energy Corporation | | Gas Operator | Dec 2017 |
| 43 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 44 | Operator Unknown | Charleston, WV 25304-0000 | Oil & Gas Operator | Dec 2021 |
| 45 | Ows Acquisition Co LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2024 |
| 46 | Peake Operating Company | | Oil & Gas Operator | Dec 1999 |
| 47 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 48 | Pillar Energy, LLC | Charleston, WV 25312-5987 | Oil & Gas Operator | Dec 2025 |
| 49 | Pilot Oil & Gas Corporation | | Gas Operator | Dec 2008 |
| 50 | Quality Natural Gas, LLC | Allen, KY 41601 | Oil & Gas Operator | Dec 2024 |
| 51 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2024 |
| 52 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 53 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 54 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 55 | Teavee Oil & Gas, Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 56 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Dec 2025 |