Oil & Gas Companies in Rooks County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | L-K Wireline, Inc. | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 2 | L. D. Drilling, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jun 2025 |
| 3 | Landes, P. Todd, Jr. | Magnolia, AR 71753 | Oil Operator | Apr 1988 |
| 4 | Landmark Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Jun 2025 |
| 5 | Lansing Energy C | | Oil Operator | Jun 2006 |
| 6 | Larson Operating Company | Olmitz, KS 67564-8561 | Oil & Gas Operator | Dec 2019 |
| 7 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 8 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 9 | Lawbanco Drillin | | Oil Operator | Feb 1995 |
| 10 | Lawbanco Drilling, Inc. | Natoma, KS 67651 | Oil Operator | May 1998 |
| 11 | Leavell Resources Corporation | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 12 | Leben Oil Corpor | | Oil & Gas Operator | Apr 1991 |
| 13 | Lebsack, James S. | Denver, CO 80222 | Oil Operator | Sep 1998 |
| 14 | Liberty Enterpri | | Oil Operator | Jan 1987 |
| 15 | Liberty Oper & Compl, Inc | Plainville, KS 67663 | Oil & Gas Operator | Dec 2022 |
| 16 | Liberty Operations & Completion, Inc | Plainville, KS 67663 | Oil Operator | Jun 2025 |
| 17 | Lucky Iron | | Oil Operator | Jun 2025 |
Production numbers shown above are only for Rooks County, KS and for the production period listed.