Oil & Gas Companies in Jackson County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | K-B Oil Company | Dallas, TX 75243 | Oil & Gas Operator | Dec 2020 |
| 2 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 3 | Kaler Energy Corp. | Boerne, TX 78006 | Oil & Gas Operator | Oct 2025 |
| 4 | KCS Medallion Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2018 |
| 5 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 6 | KD Energy, LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 7 | Kebo Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Oct 2025 |
| 8 | Kelley Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
| 9 | Ken Petroleum Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2019 |
| 10 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 11 | Killam Oil Co., LTD. | Laredo, TX 78042 | Oil & Gas Operator | Oct 2025 |
| 12 | Killam Oil Company | Laredo, TX 78042 | Oil & Gas Operator | Mar 1994 |
| 13 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
| 14 | Klotzman, M. S. Exploration Co. | Victoria, TX 77903 | Oil & Gas Operator | Oct 2025 |
| 15 | Kram Energy | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Oct 2025 |
| 16 | Kriken Oil & Gas | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Jul 2005 |
| 17 | Kriken Oil & Gas, Inc. | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Oct 2025 |
| 18 | Kristen Oil And Gas, Inc. | Edna, TX 77957 | Oil & Gas Operator | Oct 2025 |
| 19 | KWS Oil & Gas, LLC | El Campo, TX 77437 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Jackson County, TX and for the production period listed.