Oil & Gas Companies in Knox County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | L7 Energy LLC | Wichita Falls, TX 76308 | Oil Operator | Oct 2025 |
| 2 | Lakewood Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 3 | Lankford, Dan L. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 4 | Livingston, F. L. | Megargel, TX 76370 | Oil & Gas Operator | May 2018 |
| 5 | LMH Energy | Wichita Falls, TX 76302 | Oil & Gas Operator | Oct 2025 |
| 6 | Lone Star Oil & Gas | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 7 | Long-Tex Exploration, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Oct 2025 |
| 8 | Loudon Operating Company, L.L.C. | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Knox County, TX and for the production period listed.