Oil & Gas Companies in Polk County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Ocean Energy Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 2 | Odegard Energy, Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2020 |
| 3 | Oil Well Buyers Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
| 4 | Oily Dog Operators Texas, LLC | Allen, TX 75002 | Oil Operator | Sep 2026 |
| 5 | Old Pine Energy Corporation | Austin, TX 78755 | Oil Operator | Sep 2026 |
| 6 | Olipdp II, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Sep 2026 |
| 7 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 8 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Sep 2026 |
Production numbers shown above are only for Polk County, TX and for the production period listed.