| 1 | Alliance Petroleum Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 2 | Altheirs Oil, Inc. | Corning, OH 43730 | Oil & Gas Operator | Dec 2024 |
| 3 | Base Petroleum, Inc. | South Charleston, WV 25309-0000 | Oil & Gas Operator | Dec 2021 |
| 4 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Jun 2025 |
| 5 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Oct 2025 |
| 6 | Durst Oil & Gas, Inc. | Point Pleasant, WV 25550 | Oil & Gas Operator | Dec 2021 |
| 7 | Eastern American Energy Corp | | Oil & Gas Operator | Dec 2008 |
| 8 | Enervest Operating, L.L.C., A Limited Liability Company | | Oil & Gas Operator | Dec 2019 |
| 9 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 10 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Jul 2025 |
| 11 | Kramer Exploration Co. | Delaware, OH 43015 | Oil & Gas Operator | Dec 2009 |
| 12 | Larch Oil & Gas Corporation | Cross Lanes, WV 25313 | Oil & Gas Operator | Dec 2021 |
| 13 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 14 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 15 | Petro-Go, Inc. | | Oil & Gas Operator | Mar 1996 |
| 16 | Pillar Energy, LLC | Charleston, WV 25312-5987 | Oil & Gas Operator | Dec 2024 |
| 17 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 18 | Ross & Wharton Gas Co Inc | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 19 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 20 | Teavee Oil & Gas, Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 21 | Tiger Oil, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2007 |