Oil & Gas Companies in Shelby County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | O'Benco, Inc. | Shreveport, LA 71136 | Oil & Gas Operator | Oct 2025 |
| 2 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 3 | Odegard Energy, Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2020 |
| 4 | Oleum Operating Company, L.C. | Longview, TX 75606 | Oil & Gas Operator | Dec 2021 |
| 5 | Omega Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 6 | Omimex Petroleum Inc | Fort Worth, TX 76120 | Oil & Gas Operator | Aug 2022 |
| 7 | Ovintiv USA Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Shelby County, TX and for the production period listed.