| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Taylor Energy Co. | Oil & Gas Operator | May 1991 | |
| 2 | Tellus Operating Group, LLC | Oil & Gas Operator | Jun 2025 | |
| 3 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 4 | Trans Ocean Oil, Inc. | Oil & Gas Operator | Sep 1980 | |
| 5 | Transcontinental Gas P/L Corp. | Oil & Gas Operator | Dec 2009 | |
| 6 | Transcontinental Gas Pipeline Co LLC | Oil Operator | Jan 2025 | |
| 7 | Tri-Union Development Corp. | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 8 | Triumph Energy, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2015 |