| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Tatum Petroleum Corporation | Zanesville, OH 43702 | Oil & Gas Operator | Dec 2008 |
| 2 | Ted Koble Operator | Oil & Gas Operator | Nov 2007 | |
| 3 | Temblor Petroleum Co. LLC | Oil & Gas Operator | Nov 2023 | |
| 4 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Nov 2023 |
| 5 | Texaco Producing Inc. | Rock Springs, WY 82901 | Oil & Gas Operator | Dec 2000 |
| 6 | The Nahabedian Exploration Group LLC | Oil & Gas Operator | Nov 2023 | |
| 7 | The Termo Company | Long Beach, CA 90801 | Oil & Gas Operator | Feb 2024 |
| 8 | Tiger Oil Company | Dallas, TX 75221 | Oil & Gas Operator | May 2007 |
| 9 | Towne Exploration Company LP | Oil & Gas Operator | Dec 2023 | |
| 10 | Tri-Valley Oil & Gas Co. | Oil & Gas Operator | Nov 2023 | |
| 11 | Trio Petroleum LLC | Oil & Gas Operator | Nov 2023 |