| 101 | Texaco Exploration & Prod Inc | Houston, TX 77236 | Oil & Gas Operator | Jan 2026 |
| 102 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 103 | The Quintin Little Company Inc | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2026 |
| 104 | Thunder Oil & Gas, LLC | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2026 |
| 105 | Tillman Consulting LLC Dba B & C Operating | Mustang, OK 73064-8195 | Oil Operator | Jan 2022 |
| 106 | Truevine Gas Company | Ada, OK 74821-1422 | Oil & Gas Operator | Feb 2026 |
| 107 | Truevine Operating LLC | Ada, OK 74821-1422 | Oil & Gas Operator | Feb 2026 |
| 108 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 109 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 110 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Jan 2026 |
| 111 | Verdad Oil & Gas Corporation | Dallas, TX 75235 | Oil & Gas Operator | Feb 2026 |
| 112 | Vistatex Energy LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 113 | Vitol Inc. | Houston, TX 77098 | Oil & Gas Operator | Sep 2023 |
| 114 | W C S Inc | Pottsboro, TX 75076 | Oil & Gas Operator | Oct 2019 |
| 115 | W-N Energy Corp | Tulsa, OK 74121-1468 | Oil & Gas Operator | Nov 1994 |
| 116 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 117 | Witherspoon Joe A | Bells, TX 75414 | Oil Operator | Jul 2025 |
| 118 | Woods Henry Dba Woods Oil Company | Madill, OK 73446 | Oil Operator | Dec 2025 |
| 119 | Woods Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | May 2026 |
| 120 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2026 |
| 121 | Yarberry Oil Company | Wichita Falls, TX 76308-5120 | Oil & Gas Operator | Apr 2015 |