Oil & Gas Companies in Gaines County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | O'Sullivan Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2000 |
| 2 | Occidental Energy Company, Inc. | Houston, TX 77282 | Oil & Gas Operator | Jul 2021 |
| 3 | Occidental Energy Marketing, Inc. | Houston, TX 77227 | Gas Operator | Sep 2015 |
| 4 | Occidental Permian Eor, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 5 | Occidental Permian LTD. | Houston, TX 77046 | Oil & Gas Operator | Sep 2026 |
| 6 | Ocean Energy Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 7 | Odessa Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 8 | Ohlhausen Oil Company | Abilene, TX 79608 | Oil & Gas Operator | Sep 2026 |
| 9 | Oil & Gas Properties | Midland, TX 79704 | Oil & Gas Operator | Sep 2026 |
| 10 | Ojai Oil Company | Camarillo, CA 93012 | Oil & Gas Operator | Jul 2026 |
| 11 | Ok Arena Operating Company | Oklahoma City, OK 73101 | Oil & Gas Operator | Sep 2026 |
| 12 | Older Than Dirt LLC | Weatherford, TX 76086 | Oil & Gas Operator | Sep 2026 |
| 13 | Olsen Energy Inc. | Boerne, TX 78006 | Oil & Gas Operator | Sep 2026 |
| 14 | Omar Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 15 | Opal Resources Operating Co.,LLC | Cypress, TX 77429 | Oil & Gas Operator | Jan 2019 |
| 16 | Orbit Crude, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 17 | Orr Production Company | Austin, TX 78746 | Oil & Gas Operator | Dec 2000 |
| 18 | Osborn Heirs Co | San Antonio, TX 78217 | Oil & Gas Operator | Jul 2026 |
| 19 | Ovintiv USA Inc. | Denver, CO 80202 | Oil & Gas Operator | Sep 2026 |
| 20 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Sep 2026 |
| 21 | Oxy USA WTP Eor, LLC | Houston, TX 77002 | Oil Operator | Sep 2026 |
| 22 | Oxy USA WTP LP | Houston, TX 77046 | Oil & Gas Operator | Sep 2026 |
Production numbers shown above are only for Gaines County, TX and for the production period listed.