Oil & Gas Companies in Cimarron County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | A & A Tank Truck Company | Norman, OK 73070-8969 | Oil & Gas Operator | Jul 2025 |
| 2 | Abarr Trust (The) | Oklahoma City, OK 73179 | Oil & Gas Operator | Jul 2025 |
| 3 | Abercrombie, A. L., Inc | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 4 | Agricultural Energy Services Inc | Edmond, OK 73012 | Oil Operator | Jul 2025 |
| 5 | American Star Energy & Mineral Corp | Amarillo, TX 79102-2283 | Oil & Gas Operator | Jun 2015 |
| 6 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Jul 2025 |
| 7 | Anderson Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2015 |
| 8 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 9 | Apx Corporation | Houston, TX 77251 | Oil & Gas Operator | Dec 2009 |
| 10 | Arena Resources Inc | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 11 | Armor Petroleum, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 12 | Aspen Energy Group, Inc. | Santa Ynez, CA 93460 | Oil & Gas Operator | Mar 2015 |
| 13 | Athena Energy, Inc. | Gallatin, TN 37066 | Oil & Gas Operator | Oct 2025 |
| 14 | Atlantic Richfield Company | Plano, TX 75074 | Oil & Gas Operator | Dec 2016 |
| 15 | Aycox Robert D | Healdton, OK 73438 | Oil Operator | Sep 2022 |
Production numbers shown above are only for Cimarron County, OK and for the production period listed.