| 101 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 102 | Schippers Oilfield Services, LLC | Hoxie, KS 67740 | Oil Operator | Feb 2026 |
| 103 | Shields Oil Prod | | Oil & Gas Operator | Aug 1995 |
| 104 | Slawson Donald C | Wichita, KS 67202 | Oil & Gas Operator | Oct 2025 |
| 105 | SMG Resources LLC | | Oil & Gas Operator | Feb 2026 |
| 106 | Stelbar Oil Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 107 | Stephenson L G & | | Oil Operator | Apr 1987 |
| 108 | Suemaur Expl. & Prod., LLC | Corpus Christ, TX 78401 | Oil & Gas Operator | Jun 2024 |
| 109 | Texas Energies I | | Oil & Gas Operator | Aug 1994 |
| 110 | The Bill Bowman Oil Company | | Oil Operator | Feb 2026 |
| 111 | Tomlinson Oil Co Inc | Great Bend, KS 67530 | Oil & Gas Operator | May 2025 |
| 112 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Mar 2026 |
| 113 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2024 |
| 114 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Jun 2026 |
| 115 | Vess Oil Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 116 | Viking Resources | | Oil & Gas Operator | Sep 1995 |
| 117 | Werth Exploration Trust | | Oil Operator | Dec 2013 |
| 118 | Zenith Drilling | | Oil & Gas Operator | Aug 1995 |