Oil & Gas Companies in Victoria County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | O'Connor Energy Management, LLC | Victoria, TX 77902 | Oil Operator | Oct 2025 |
| 2 | Oblaen Resources LLC | Wallis, TX 77485 | Oil & Gas Operator | Oct 2025 |
| 3 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 4 | Omega Alpha Resources, LLC | Dallas, TX 75219 | Oil Operator | Oct 2025 |
| 5 | Omega Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 6 | Omega Energy, LLC | Corpus Chrsti, TX 78418 | Oil & Gas Operator | Oct 2025 |
| 7 | Omimex Petroleum Inc | Fort Worth, TX 76120 | Oil & Gas Operator | Aug 2022 |
| 8 | Opal Energy, Inc. | Katy, TX 77494 | Oil & Gas Operator | Jun 2009 |
| 9 | Opex Energy, LLC | Houston, TX 77042 | Oil & Gas Operator | Mar 2008 |
| 10 | Oro Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 11 | Orr Production Company | Austin, TX 78746 | Oil & Gas Operator | Dec 2000 |
| 12 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 13 | Osyka Oil & Gas, Inc. | Metairie, LA 70004 | Oil & Gas Operator | Oct 2025 |
| 14 | Osyka Permian, LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2025 |
| 15 | Outline Oil Corp. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Victoria County, TX and for the production period listed.