Oil & Gas Companies in Ellis County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Nadel And Gussman, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2025 |
| 2 | National Energy Group, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 3 | Natural Gas Anadarko Company | Perryton, TX 79070 | Oil & Gas Operator | Oct 2025 |
| 4 | Natural Gas Anadarko Inc | Perryton, TX 79070 | Oil & Gas Operator | May 1999 |
| 5 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2025 |
| 6 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 7 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 8 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Oct 2025 |
| 9 | North American Royalties, Inc. | Chattanooga, TN 37408 | Oil & Gas Operator | Oct 2001 |
Production numbers shown above are only for Ellis County, OK and for the production period listed.