| 1 | Ace Energy LLC | Leawood, KS 66211 | Oil & Gas Operator | Feb 2024 |
| 2 | Belden & Blake | | Oil & Gas Operator | Feb 1988 |
| 3 | Cardneaux Inc. | | Oil & Gas Operator | Aug 2009 |
| 4 | Centerpoint Water Disposal Inc | | Oil & Gas Operator | Aug 1984 |
| 5 | Chevron U. S. A., Inc. -Ca | | Oil & Gas Operator | Jan 2000 |
| 6 | Chevron U. S. A., Inc. -TX | | Oil & Gas Operator | Dec 2004 |
| 7 | Coho Resources Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jul 2002 |
| 8 | Columbia Petroleum LLC | Brookhaven, MS 39601 | Oil & Gas Operator | Sep 2023 |
| 9 | Craft Petroleum Company, Inc. Et Al | | Oil & Gas Operator | Mar 1997 |
| 10 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Mar 2024 |
| 11 | Denbury Resources Inc. | Plano, TX 75024 | Oil & Gas Operator | Dec 2003 |
| 12 | Exchange Exploration & Production Co. | Dallas, TX 75219 | Oil & Gas Operator | Jan 2024 |
| 13 | Florabama Assoc Inc | | Oil & Gas Operator | Jan 2000 |
| 14 | Griffin & Griffin Oil Co. Inc. | | Oil & Gas Operator | Jun 2001 |
| 15 | Hayes & Assoc Inc | | Oil & Gas Operator | Oct 1991 |
| 16 | Infield Discovery LLC | Madison, MS 39110 | Oil & Gas Operator | Jan 2024 |
| 17 | Kingwood Energy, LLC | | Oil Operator | Nov 2023 |
| 18 | Larco Drilling & Exploration Corp. | | Oil & Gas Operator | Dec 1999 |
| 19 | Liberty Operating Company,LLC | | Oil & Gas Operator | Jan 2024 |
| 20 | Marshall Young Oil Co | | Oil & Gas Operator | Jan 2007 |
| 21 | Miss-Lou Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 22 | Moon-Hines-Tigrett Operating Co., Inc. | | Oil & Gas Operator | Sep 2023 |
| 23 | Petro Producers Corporation | | Oil & Gas Operator | Mar 1993 |
| 24 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Mar 2024 |
| 25 | Placid Oil Company | Houston, TX 77227 | Oil & Gas Operator | Mar 2008 |
| 26 | Pruet Production Co. | Jackson, MS 39201 | Oil & Gas Operator | Feb 2024 |
| 27 | Reeves Prod. Co. | | Oil & Gas Operator | Mar 1989 |
| 28 | Signal, LLC | | Oil & Gas Operator | Jan 2024 |
| 29 | Slik-Dril P & A Inc | | Oil & Gas Operator | Sep 1989 |
| 30 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2024 |
| 31 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 32 | T. O. Kimbrell, LLC | | Oil & Gas Operator | Feb 2024 |
| 33 | Tigrett, Terry A. Jr. | | Oil & Gas Operator | Oct 1980 |
| 34 | Tops Operating Co.,Inc. | | Oil Operator | Dec 1985 |
| 35 | Venture Oil & Gas, Inc. | Laurel, MS 39440 | Oil & Gas Operator | Dec 2023 |
| 36 | Waller Brothers, Inc. | | Oil & Gas Operator | Jul 2004 |
| 37 | Wyble L. Ollie | | Oil & Gas Operator | Dec 1988 |