| 101 | Petro Dynamics C | | Oil & Gas Operator | Sep 1988 |
| 102 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Jun 2025 |
| 103 | Presco Western LLC | Houston, TX 77046 | Oil & Gas Operator | Jun 2025 |
| 104 | Quinque Operating Company | Liberal, KS 67905 | Oil & Gas Operator | Jun 2025 |
| 105 | Regency Field Services LLC | Dallas, TX 75201 | Oil Operator | Jul 2017 |
| 106 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 107 | Rookstool, William A. | Edmond, OK 73034 | Gas Operator | Jan 1999 |
| 108 | Rosel Energy, Inc. | Liberal, KS 67901 | Oil & Gas Operator | Jul 2004 |
| 109 | Sandlin Oil Corp | Dacono, CO 80514 | Oil & Gas Operator | Aug 2025 |
| 110 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 111 | SH Oil Operations LLC | Wichita, KS 67277 | Oil & Gas Operator | Jun 2025 |
| 112 | Slawson Explorat | | Oil & Gas Operator | Dec 1996 |
| 113 | Slawson, Donald C. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2025 |
| 114 | Southland Royalt | | Oil & Gas Operator | Nov 1993 |
| 115 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
| 116 | Spess Oil Company, A General Partnership | Cleveland, OK 74020 | Oil & Gas Operator | Jun 2025 |
| 117 | Stone Oak Operating LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 2025 |
| 118 | Swift Energy Com | | Oil & Gas Operator | Sep 1995 |
| 119 | Terrol Energy, Inc. | Hygiene, CO 80533 | Oil & Gas Operator | Dec 2006 |
| 120 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Jun 2025 |
| 121 | Texaco Explorati | | Oil & Gas Operator | Dec 1996 |
| 122 | Texkan Resources, LLC | Odessa, TX 79765 | Oil & Gas Operator | Jun 2025 |
| 123 | Thoroughbred Associates L.L.C. | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 124 | Three-D Resources, Inc. | Liberal, KS 67905 | Oil & Gas Operator | Jun 2025 |
| 125 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jul 2025 |
| 126 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2023 |
| 127 | Vintage Petroleum, LLC | Houston, TX 77210 | Oil & Gas Operator | Dec 2019 |
| 128 | Viresen & Cochra | | Oil & Gas Operator | Sep 1995 |
| 129 | West Sunset Disposal, LLC | Amarillo, TX 79159 | Oil Operator | Oct 2003 |
| 130 | White Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jun 2025 |
| 131 | WM KS Energy Resources LLC | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2019 |
| 132 | Wynn-Crosby Operating, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 133 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 |