| 101 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2024 |
| 102 | Red Hawk Disposal LLC | | Oil Operator | Jun 2023 |
| 103 | Red River Oil & Gas Company | Oklahoma City, OK 73132-5120 | Oil & Gas Operator | Mar 2015 |
| 104 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 105 | Salty Dog Disposal LLC | | Oil Operator | Feb 2024 |
| 106 | Spring Operating Company | Edmond, OK 73083-2048 | Oil & Gas Operator | Jan 2024 |
| 107 | Stedman Oil & Gas LLC | Hobart, OK 73651-1624 | Oil & Gas Operator | Mar 2015 |
| 108 | Superior Oil & Gas Company Of Oklahoma | Calumet, OK 73014-8528 | Oil & Gas Operator | Jan 2024 |
| 109 | Superior Saltwater Disposal LLC | | Oil & Gas Operator | Dec 2016 |
| 110 | Swinkwood Oil Co | | Oil Operator | Apr 2015 |
| 111 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 112 | Tapstone Energy LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jan 2024 |
| 113 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Jan 2024 |
| 114 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Jan 2024 |
| 115 | Tonys Crude Oil Reclaiming Plant Inc | | Oil Operator | Dec 2023 |
| 116 | Trail Ridge Energy Partners, LLC | Grapevine, TX 76051 | Oil & Gas Operator | Jan 2024 |
| 117 | Triple C Properties Inc | Seminole, OK 74818-0481 | Oil & Gas Operator | Jun 2023 |
| 118 | Triple S Drilling Company | Leonard, OK 74043 | Oil & Gas Operator | Feb 2012 |
| 119 | Trout Disposal Well Inc | Hammon, OK 73650-0292 | Oil & Gas Operator | Jul 2016 |
| 120 | Tucker Ron & Co | Norman, OK 73069-8511 | Gas Operator | Sep 2017 |
| 121 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 122 | Tyson Gary | Hobart, OK 73651-6413 | Oil & Gas Operator | Mar 2018 |
| 123 | Tyson Olan | Hobart, OK 73651-6413 | Oil & Gas Operator | Apr 2015 |
| 124 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 125 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 126 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Dec 2023 |
| 127 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
| 128 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Jan 2024 |
| 129 | Western Products Corporation | Fairview, OK 73737 | Oil & Gas Operator | Nov 2004 |
| 130 | Westside Wells Inc | Altus, OK 73522-0077 | Oil & Gas Operator | Nov 2020 |
| 131 | White Brothers Investment Inc | Dallas, TX 75201 | Oil & Gas Operator | Apr 2014 |
| 132 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 133 | Winston Oil Co | Marietta, OH 45750-754-754 | Oil & Gas Operator | Jan 2024 |
| 134 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Jan 2024 |
| 135 | Yarhola Production Company | Drumright, OK 74030-0693 | Oil & Gas Operator | Jan 2024 |
| 136 | Zimet Brothers Inc | | Oil Operator | Mar 2008 |