| 101 | Northbrook Oil & Gas Co LLC | Norman, OK 73072 | Oil & Gas Operator | Nov 2014 |
| 102 | Oklahoma Prime Energy LLC | Ardmore, OK 73401 | Oil Operator | May 2020 |
| 103 | Ole Crow Operating | Wichita Falls, TX 76308 | Oil Operator | May 2025 |
| 104 | P T Oil Co Inc | Walters, OK 73572-9505 | Oil Operator | Nov 2014 |
| 105 | Paramore Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Apr 2022 |
| 106 | Parker Shirley M | Tulsa, OK 74136 | Oil Operator | Jun 2013 |
| 107 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | May 2025 |
| 108 | Petroleum Corporation Of Texas | Breckenridge, TX 76024 | Oil & Gas Operator | May 2002 |
| 109 | Petromark Energy LLC | Oklahoma City, OK 73116-7634 | Oil & Gas Operator | Jun 2000 |
| 110 | R & H LLC | Ardmore, OK 73401-6329 | Oil & Gas Operator | Mar 2015 |
| 111 | R & L Properties Inc | Richmond, MO 64085-0228 | Oil & Gas Operator | Apr 2001 |
| 112 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 113 | Real Production Management LLC | Elmore City, OK 73433 | Oil Operator | Apr 2025 |
| 114 | Red Rock Resources, L.L.C. | Wichita Falls, TX 76310 | Oil & Gas Operator | Apr 2025 |
| 115 | Redland Resources, LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | May 2025 |
| 116 | Reo Resources Inc | | Oil & Gas Operator | Apr 2018 |
| 117 | Richardson WM S | Duncan, OK 73533 | Oil Operator | Jun 2013 |
| 118 | Roberson, Joe | Vernon, TX 76385 | Oil & Gas Operator | Feb 2015 |
| 119 | S & S Production Company | Addison, TX 75001 | Oil Operator | Jul 2024 |
| 120 | Sabre Operating, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2025 |
| 121 | Sean M Sharp LLC | Chalk Hill, PA 15421 | Oil & Gas Operator | Mar 2025 |
| 122 | Simon Oil Company | Ardmore, OK 73401 | Oil Operator | Jan 2025 |
| 123 | SJ Ok Oil Company | Dallas, TX 75206-9925 | Oil & Gas Operator | Apr 2025 |
| 124 | Smith Al | Duncan, OK 73534-0037 | Oil Operator | Dec 1998 |
| 125 | Smith Alfred Dba A-S Oil | Walters, OK 73572 | Oil Operator | May 2025 |
| 126 | Sparks Resources Inc | Bristow, OK 74010 | Oil & Gas Operator | May 2025 |
| 127 | Speir R M Operating Company | Walters, OK 73572-3933 | Oil Operator | Apr 2025 |
| 128 | Stamic Oil LLC | Duncan, OK 73534-1898 | Oil & Gas Operator | Oct 2021 |
| 129 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | May 2025 |
| 130 | Tilley Oil Inc | Velma, OK 73491 | Oil & Gas Operator | May 2025 |
| 131 | Totah Production | Duncan, OK 73533-9406 | Oil Operator | Mar 2015 |
| 132 | Trace Oil & Gas LP | Cement, OK 73017 | Oil & Gas Operator | May 2025 |
| 133 | Transcoastal Operating LLC | Dallas, TX 75252-5646 | Oil & Gas Operator | Mar 2015 |
| 134 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 135 | Truluck Enterprises LLC | Wichita Falls, TX 76308-4454 | Oil & Gas Operator | Apr 2015 |
| 136 | Upland Production Company | Edmond, OK 73083 | Oil & Gas Operator | Jul 2025 |
| 137 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Jul 2025 |
| 138 | Vitol Inc. | Houston, TX 77098 | Oil & Gas Operator | Sep 2023 |
| 139 | Walker Paul | Duncan, OK 73533-9782 | Oil & Gas Operator | Feb 2022 |
| 140 | Walters Oil Well Service Inc | Walters, OK 73572-0467 | Oil & Gas Operator | Nov 2000 |
| 141 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 142 | Williams Operating Company LLC | Duncan, OK 73533 | Oil Operator | Apr 2025 |
| 143 | Williams Petroleum Company, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2025 |
| 144 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |
| 145 | Wineinger Dickie L Dba Royal Petroleum Co | Iowa Park, TX 76367 | Oil Operator | Nov 2022 |
| 146 | Yarbrough R E | Lago VIsta, TX 78645-0005 | Oil & Gas Operator | Mar 2015 |