| 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 | Adams Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 4 | Alexander Production Company | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2021 |
| 5 | Alfred, Dewayne L | Weston, WV 26542-0478 | Oil & Gas Operator | Dec 1996 |
| 6 | Alliance Petroleum Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 7 | Allied Energy, Inc. | Saratoga, CA 95070 | Oil & Gas Operator | Dec 2021 |
| 8 | Allstate Energy Corp | Smithville, WV 26178 | Oil & Gas Operator | Dec 2021 |
| 9 | Alpha Gas Corporation | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 2007 |
| 10 | Anja Resources | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 11 | Antero Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 12 | Anvil Oil Co., Inc. | Bartlesville, OK 74003-5030 | Oil & Gas Operator | Dec 2008 |
| 13 | Aries Petroleum Corp. | Big Springs, WV 26137 | Oil & Gas Operator | Dec 2021 |
| 14 | Ascent Resources - Marcellus, LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2021 |