| 1 | Abarta Oil & Gas Co., Inc. | Pittsburgh, PA 15238 | Oil & Gas Operator | Dec 2020 |
| 2 | Abarta Oil & Gas Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 3 | Adkins, Franklin | Ona, WV 25545-0070 | Oil & Gas Operator | Dec 2021 |
| 4 | Alliance Petroleum Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 5 | American Energy Corporation | Bealsville, OH 43716 | Oil & Gas Operator | Dec 2019 |
| 6 | Bartram, I David | Lavalette, WV 25535 | Oil & Gas Operator | Dec 2024 |
| 7 | Base Petroleum, Inc. | South Charleston, WV 25309-0000 | Oil & Gas Operator | Dec 2021 |
| 8 | Beta Helix Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 9 | Big Sand Drilling Company | Buckhannon, WV 26201-0000 | Oil & Gas Operator | Dec 2021 |
| 10 | Blazer Energy Corp. | Alexandria, VA 22314 | Oil & Gas Operator | Dec 2014 |
| 11 | C. J. Services | | Oil & Gas Operator | Sep 2016 |
| 12 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Jan 2026 |
| 13 | Cameron Oil & Gas Company | | Gas Operator | Dec 2016 |
| 14 | Cane Creek Energy, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 15 | Capital Energy, LLC | Ripley, WV 25271 | Oil & Gas Operator | Dec 2021 |
| 16 | Cenestia Energy Inc | | Oil & Gas Operator | Dec 1998 |
| 17 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 18 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 19 | Columbia Natural Resources, LLC | Charleston, WV 23502 | Oil & Gas Operator | Dec 2021 |
| 20 | Commonwealth Energy, Inc. | Weston, WV 26452-0000 | Oil & Gas Operator | Dec 2021 |
| 21 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2024 |
| 22 | Cumberland Gas Co.(Tree Preservation Co) | | Oil & Gas Operator | Dec 1996 |
| 23 | D. C. Malcolm, Inc. | Charleston, WV 25301 | Oil & Gas Operator | Dec 2021 |
| 24 | D. G. Haney, Inc. | Charleston, WV 25338-3810 | Oil & Gas Operator | Dec 2021 |
| 25 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Apr 2026 |
| 26 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
| 27 | Durst Oil & Gas, Inc. | Point Pleasant, WV 25550 | Oil & Gas Operator | Dec 2021 |
| 28 | East Resources, Inc. | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2021 |
| 29 | Eastern American Energy Corp | | Oil & Gas Operator | Dec 2008 |
| 30 | Elahs Gas Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 31 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 32 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Feb 2026 |
| 33 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 34 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 35 | Gas Supply Corp | | Oil & Gas Operator | Dec 2008 |
| 36 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Feb 2026 |
| 37 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 38 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 39 | HG Energy LLC | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 40 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 41 | Jackson Resources Co | | Oil & Gas Operator | Dec 2018 |
| 42 | Larch Oil & Gas Corporation | Cross Lanes, WV 25313 | Oil & Gas Operator | Dec 2021 |
| 43 | Mahue Construction Company | Huntington, WV 25724-2345 | Oil & Gas Operator | Dec 2021 |
| 44 | Meridian Exploration Corp. | Pittsburgh, PA 15222 | Oil & Gas Operator | Dec 2021 |
| 45 | Midway City Gas Company | Huntington, WV 25701 | Oil & Gas Operator | Dec 2018 |
| 46 | Myers Drilling Company | Barboursville, WV 25504 | Oil & Gas Operator | Dec 2024 |
| 47 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 48 | Okmar Oil Company | Marietta, OH 45750 | Oil & Gas Operator | Jun 2005 |
| 49 | Operator Unknown | Charleston, WV 25304-0000 | Oil & Gas Operator | Dec 2021 |
| 50 | Peake Operating Company | | Oil & Gas Operator | Dec 1999 |
| 51 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 52 | Petroleum Service Partners, Inc. | Indiana, PA 15701-0000 | Oil & Gas Operator | Dec 2021 |
| 53 | Pillar Energy, LLC | Charleston, WV 25312-5987 | Oil & Gas Operator | Dec 2025 |
| 54 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 55 | Southeastern Gas Company | | Oil & Gas Operator | Dec 2019 |
| 56 | Teavee Oil & Gas, Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 57 | Viking Energy Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2021 |