Oil & Gas Companies in Crane County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | O & O Operators, LLC. | Fate, TX 75132 | Oil & Gas Operator | Oct 2025 |
| 2 | O'Neill Properties, LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 3 | O. H. B. Inc. | San Angelo, TX 76902 | Oil & Gas Operator | Sep 2019 |
| 4 | Occidental Energy Marketing, Inc. | Houston, TX 77227 | Gas Operator | Sep 2015 |
| 5 | Occidental Permian LTD. | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 6 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 7 | Odessa Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 8 | Ogris Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 9 | Oil Management Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2022 |
| 10 | Olsen Energy Inc. | Boerne, TX 78006 | Oil & Gas Operator | Oct 2025 |
| 11 | Omimex Petroleum Inc | Fort Worth, TX 76120 | Oil & Gas Operator | Aug 2022 |
| 12 | On Pointe Operating LLC | Jones, OK 73049 | Oil & Gas Operator | Oct 2025 |
| 13 | Orbit Crude, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 14 | Orr, Robert M. | Monahans, TX 79756 | Oil & Gas Operator | Oct 1998 |
| 15 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 16 | Osborn Heirs Co | San Antonio, TX 78217 | Oil & Gas Operator | Aug 2025 |
| 17 | Ovintiv USA Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 18 | Owl Ops II LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 19 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 20 | Oxy USA WTP LP | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 21 | Oxyrock Operating, LLC | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 22 | Ozark Exploration, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Crane County, TX and for the production period listed.