Oil & Gas Companies in Clay County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Ness Operating Of Texas, Inc. | Weatherford, TX 76087 | Oil & Gas Operator | Dec 2004 |
| 2 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Dec 2025 |
| 3 | Newton, Richard R. | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 1996 |
| 4 | NHRG Inc | Wichita Falls, TX 76308 | Oil Operator | Dec 2025 |
| 5 | Nortex Energy, Inc. | Muenster, TX 76252 | Oil Operator | Dec 2025 |
| 6 | North Central Oil Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
| 7 | Northridge Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2025 |
Production numbers shown above are only for Clay County, TX and for the production period listed.