Oil & Gas Companies in Winkler County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | O'Neill Properties, LTD. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 2 | O. H. B. Inc. | San Angelo, TX 76902 | Oil & Gas Operator | Sep 2019 |
| 3 | Oak Prairie Operations, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2026 |
| 4 | Oakland Petroleum Oper Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 5 | Oasis Petroleum Permian LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 6 | Occidental Energy Marketing, Inc. | Houston, TX 77227 | Gas Operator | Sep 2015 |
| 7 | Occidental Permian LTD. | Houston, TX 77046 | Oil & Gas Operator | Feb 2026 |
| 8 | Ocean Energy Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 9 | Ogog Operating, LLC | Dallas, TX 75367 | Oil & Gas Operator | Feb 2026 |
| 10 | Ogris Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 11 | Ogx Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 12 | Ogx Resources LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2011 |
| 13 | Oklahoma RB Operating Company | Midland, TX 79701 | Oil & Gas Operator | Jan 1998 |
| 14 | Older Than Dirt LLC | Weatherford, TX 76086 | Oil & Gas Operator | Feb 2026 |
| 15 | Olsen Energy Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 16 | On Pointe Operating LLC | Jones, OK 73049 | Oil & Gas Operator | Feb 2026 |
| 17 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 18 | Osceola Oil & Gas Corporation | Somerset, TX 78069 | Oil & Gas Operator | Aug 1994 |
| 19 | Osr Oil & Gas Company | Victoria, TX 77902 | Oil & Gas Operator | Jul 2000 |
| 20 | Oxbow Petroleum, LLC | Midland, TX 79703 | Oil & Gas Operator | May 2025 |
| 21 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Feb 2026 |
| 22 | Oxy USA WTP LP | Houston, TX 77046 | Oil & Gas Operator | Feb 2026 |
Production numbers shown above are only for Winkler County, TX and for the production period listed.