| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Oasis Petroleum North America LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2025 |
| 2 | Orion Energy Partners LP | Denver, CO 80202 | Oil & Gas Operator | Nov 2010 |
| 3 | Ovintiv USA Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 4 | Oxy Little Knife, LLC | Oil & Gas Operator | Jan 2016 | |
| 5 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |