| 1 | Ace Energy LLC | Leawood, KS 66211 | Oil & Gas Operator | Jun 2025 |
| 2 | Ad Astra Resources LLC | Wichita, KS 67203 | Oil & Gas Operator | Jul 2025 |
| 3 | Aldridge Operating Co., LLC | | Oil & Gas Operator | Aug 2019 |
| 4 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Aug 2017 |
| 5 | Belden & Blake | | Oil & Gas Operator | Feb 1988 |
| 6 | Black Jack Oil Co Inc | Holliday, TX 76366 | Oil & Gas Operator | Jun 2025 |
| 7 | Callon Oil Co, Cambell | | Oil & Gas Operator | Oct 1984 |
| 8 | Calto Operating Company, Inc. | Dallas, TX 75225 | Oil & Gas Operator | May 2004 |
| 9 | Craft Petroleum Company, Inc. Et Al | | Oil & Gas Operator | Mar 1997 |
| 10 | D. A. Biglane Operating Co Et Al | | Oil Operator | Feb 2004 |
| 11 | David New Operating Co., Inc. | | Oil & Gas Operator | Feb 1999 |
| 12 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Sep 2025 |
| 13 | Denbury Resources Inc. | Plano, TX 75024 | Oil & Gas Operator | Dec 2003 |
| 14 | Emerge Operating, LLC | | Oil & Gas Operator | Jul 2025 |
| 15 | Florida Exploration Co | Aurora, CO 80014 | Oil & Gas Operator | Sep 1989 |
| 16 | Indian Exploration, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Sep 2025 |
| 17 | Larco Drilling & Exploration Corp. | | Oil & Gas Operator | Dec 1999 |
| 18 | Mitchell And R. E. Mitchel | | Oil Operator | Feb 2000 |
| 19 | MS United, LLC | | Oil & Gas Operator | Apr 2025 |
| 20 | MT. Crescent Operating Company, LLC | | Oil & Gas Operator | Jul 2025 |
| 21 | P.R.P., Inc. | | Oil & Gas Operator | Jun 2025 |
| 22 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Sep 2025 |
| 23 | Pistol Ridge Partners, LLC | | Oil & Gas Operator | Jun 2025 |
| 24 | Pruet Production Co. | Jackson, MS 39201 | Oil & Gas Operator | Jul 2025 |
| 25 | Ram Petroleum, LLC | Tylertown, MS 39667 | Oil & Gas Operator | Jun 2025 |
| 26 | Reynolds E & P, Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Sep 2025 |
| 27 | Roundtree & Associates, Inc. | | Oil & Gas Operator | Jun 2024 |
| 28 | Swampfox Oilfield Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 29 | Tesoro Petroleum Corporation | | Oil & Gas Operator | May 1982 |
| 30 | Triad Oil & Gas Co Inc | | Oil & Gas Operator | Jun 1994 |
| 31 | Venture Oil & Gas, Inc. | Laurel, MS 39440 | Oil & Gas Operator | Jul 2025 |
| 32 | Waller Brothers, Inc. | | Oil & Gas Operator | Jul 2004 |
| 33 | Westfield Energy Corp. | | Oil & Gas Operator | Mar 1991 |
| 34 | White River Operating LLC | Gilmer, TX 75644 | Oil & Gas Operator | Jul 2025 |