| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | O'Neill Properties, LTD. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 2 | Oasis Operating, Inc. | Lubbock, TX 79404 | Oil & Gas Operator | Nov 2020 |
| 3 | Odessa Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 4 | Olsen Energy Inc. | Boerne, TX 78006 | Oil & Gas Operator | Apr 2024 |
| 5 | Omar Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 6 | Omni Petroleum Corporation | Austin, TX 78738 | Oil & Gas Operator | Apr 2024 |