Oil & Gas Companies in Harrison County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | O'Benco, Inc. | Shreveport, LA 71136 | Oil & Gas Operator | Dec 2024 |
| 2 | O'Brien Energy Company | Shreveport, LA 71136 | Oil & Gas Operator | Sep 2019 |
| 3 | Oak Valley Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 4 | Ocean Energy Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 5 | Odegard Energy, Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2020 |
| 6 | Oklahoma RB Operating Company | Midland, TX 79701 | Oil & Gas Operator | Jan 1998 |
| 7 | Oleum Operating Company, L.C. | Longview, TX 75606 | Oil & Gas Operator | Dec 2021 |
| 8 | Omega Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 9 | Owl Creek Production Co., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2006 |
| 10 | Owl Creek Production Co., LLC | Denver, CO 80265 | Oil & Gas Operator | Jan 2006 |
| 11 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
Production numbers shown above are only for Harrison County, TX and for the production period listed.