Oil & Gas Companies in Creek County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | U. S. Energy Development Corporation | Fort Worth, TX 76164 | Oil & Gas Operator | Oct 2025 |
| 2 | U.S. Oil Reclaimers, LLC | | Oil Operator | Jun 2023 |
| 3 | Umberham Oil Company Inc | Oklahoma City, OK 73151-4000 | Oil & Gas Operator | Jun 2025 |
| 4 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 5 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Oct 2025 |
| 6 | United Energy & Expl Inc | Ada, OK 74821-2449 | Oil & Gas Operator | Jun 2025 |
| 7 | United Energy & Exploration LLC | Ada, OK 74821 | Oil & Gas Operator | Jun 2025 |
| 8 | United Oil Corporation | Denver, CO 80202-3813 | Oil & Gas Operator | Jun 2025 |
| 9 | United Primary Resources Inc | Milton, WA 98354-9361 | Oil & Gas Operator | Feb 2016 |
| 10 | Uplands Resources Inc | Tulsa, OK 74103-4141 | Oil & Gas Operator | Jun 2025 |
| 11 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Oct 2025 |
| 12 | Usedc Okc LLC | Getzville, NY 14068-1296 | Oil & Gas Operator | May 2018 |
Production numbers shown above are only for Creek County, OK and for the production period listed.