| 1 | Alexander Production Company | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2021 |
| 2 | Alliance Petroleum Co., LLC | | Oil & Gas Operator | Dec 2021 |
| 3 | Arsenal Resources LLC | Wexford, PA 15090 | Oil & Gas Operator | Dec 2021 |
| 4 | Battles Energy Corporation | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 5 | Berry Energy, Inc. | Clarksburg, WV 26301-2252 | Oil & Gas Operator | Dec 2021 |
| 6 | Beta Helix Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 7 | Bowie Inc | Clarksburg, WV 26301 | Oil & Gas Operator | Dec 2008 |
| 8 | Braxton Oil And Gas Corp. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2021 |
| 9 | Catamount Resources, Inc. | Grafton, WV 26354-0000 | Gas Operator | Dec 2009 |
| 10 | CDX Gas, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2009 |
| 11 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2024 |
| 12 | Clem Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 13 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
| 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 | Devonian Gas Production, Inc. | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 17 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Dec 2024 |
| 18 | Diversified Resources, Inc. | Jackson Center, PA 16133 | Oil & Gas Operator | Dec 2020 |
| 19 | Dominion Energy Transmission, Inc. | | Oil & Gas Operator | Dec 2019 |
| 20 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
| 21 | Eastern American Energy Corp | | Oil & Gas Operator | Dec 2008 |
| 22 | Eastern Gas Transmission And Storage, Inc | | Oil & Gas Operator | Dec 2021 |
| 23 | Emax Oil Company | Charlottesville, VA 22903-4973 | Oil & Gas Operator | Dec 2016 |
| 24 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2022 |
| 25 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 26 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Sep 2024 |
| 27 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 28 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 29 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Sep 2024 |
| 30 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2023 |
| 31 | Icg Tygart Valley, LLC | Grafton, WV 26354 | Oil & Gas Operator | Dec 2021 |
| 32 | Interstate Production Company, Inc. | Buckhannon, WV 26201-0000 | Oil & Gas Operator | Dec 2021 |
| 33 | Jack Production Inc | Indiana, PA 15701-0697 | Oil & Gas Operator | Dec 2011 |
| 34 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Sep 2024 |
| 35 | M4 Energy, LLC | Watsontown, PA 17777-1133 | Oil & Gas Operator | Dec 2023 |
| 36 | Mountain V, LLC | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 37 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 38 | Okmar Oil Company | Marietta, OH 45750 | Oil & Gas Operator | Jun 2005 |
| 39 | Operator Unknown | Charleston, WV 25304-0000 | Oil & Gas Operator | Dec 2021 |
| 40 | PDC Mountaineer LLC | Bridgeport, WV 26330-9665 | Oil & Gas Operator | Dec 2017 |
| 41 | Pepper Development, LLC | Clarksburg, WV 26302 | Oil & Gas Operator | Dec 2021 |
| 42 | Petroleum Development Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 43 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2023 |
| 44 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Sep 2024 |
| 45 | Ross & Wharton Gas Co Inc | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 46 | Strategic Well Holdings, Inc. | | Oil & Gas Operator | Dec 2020 |
| 47 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 48 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 49 | Texas Keystone Inc | Oakmont, PA 15139-2072 | Oil & Gas Operator | Nov 2017 |
| 50 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |