| 1 | Altheirs Oil, Inc. | Corning, OH 43730 | Oil & Gas Operator | Dec 2023 |
| 2 | Bakerwell Inc | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2023 |
| 3 | Brady Resources, Inc. | Bridgeport, WV 26330-1320-1320 | Oil & Gas Operator | Dec 2008 |
| 4 | Buckeye Oil Producing Co. | Wooster, OH 44691-129 | Oil & Gas Operator | Dec 2023 |
| 5 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 6 | Cgas Exploration | Charleston, WV 25301 | Oil & Gas Operator | Dec 2006 |
| 7 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2024 |
| 8 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 9 | Doran & Associates | Pittsburgh, PA 15220 | Oil & Gas Operator | Dec 1988 |
| 10 | Energy Search Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
| 11 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 12 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 13 | Equity Oil & Gas Funds Inc | Orlando, FL 32837-6103-6103 | Oil & Gas Operator | Dec 2022 |
| 14 | Exco - North Coast Energy Inc | Kittanning, PA 16201 | Oil & Gas Operator | Dec 2018 |
| 15 | J.D. Drilling Co. | Basehor, KS 66007 | Oil & Gas Operator | Dec 2022 |
| 16 | Knox Energy Inc | Pataskala, OH 43062 | Oil & Gas Operator | Dec 2022 |
| 17 | Mark Resources Corp | Pittsburgh, PA 15276 | Oil & Gas Operator | Dec 1993 |
| 18 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 19 | Murphy Oil Company Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 2022 |
| 20 | Myers Drilling Company | Barboursville, WV 25504 | Oil & Gas Operator | Dec 2022 |
| 21 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Dec 2023 |
| 22 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 23 | Omac Oil & Gas Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1990 |
| 24 | Petro Quest Inc | Guysville, OH 45735 | Oil & Gas Operator | Dec 2023 |
| 25 | Pillar Energy, LLC | Charleston, WV 25312-5987-5987 | Oil & Gas Operator | Dec 2023 |
| 26 | R H Penick Co LTD | Heath, OH 43056 | Oil & Gas Operator | Dec 2023 |
| 27 | Range Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2000 |
| 28 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jan 2024 |
| 29 | Smith Ronald Dba Chipco | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2023 |