Oil & Gas Companies in Wilson County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | K And R Oil Company | Stanton, TX 79782 | Oil & Gas Operator | Aug 2003 |
| 2 | Kaler Energy Corp. | Boerne, TX 78006 | Oil & Gas Operator | Oct 2025 |
| 3 | Karenco Energy, Incorporated | Seguin, TX 78155 | Oil & Gas Operator | Oct 1997 |
| 4 | Karis Resources, LLC | Tyler, TX 75707 | Oil & Gas Operator | Feb 2019 |
| 5 | Kasle Energy Inc. | Cross Plains, TX 76443 | Oil & Gas Operator | Mar 2017 |
| 6 | Kaye Poth Oil Corp. | Seguin, TX 78155 | Oil & Gas Operator | May 1998 |
| 7 | Keahey Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2002 |
| 8 | Kebo Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Oct 2025 |
| 9 | Kidd Production Co. | Luling, TX 78648 | Oil & Gas Operator | Oct 2025 |
| 10 | Kingwood Oil Co; Inc | Luling, TX 78648 | Oil & Gas Operator | Nov 2015 |
| 11 | Koch, P. S. | Seguin, TX 78155 | Oil & Gas Operator | May 2018 |
Production numbers shown above are only for Wilson County, TX and for the production period listed.