| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | T & F Oil Company, LLC | Oil Operator | Oct 2011 | |
| 2 | Templeton Energy Inc | Oil & Gas Operator | Jul 1987 | |
| 3 | Texas City Refining, Inc. | Oil & Gas Operator | Nov 1988 | |
| 4 | Texas Pacific Oil Company Inc. | Oil & Gas Operator | Dec 1980 | |
| 5 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
| 6 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
| 7 | Tideway Oil Programs, Inc. | Oil & Gas Operator | Oct 1980 | |
| 8 | Tyler Production, LLC | Oil & Gas Operator | Jul 2013 |