Oil & Gas Companies in Karnes County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 2 | Karbuhn Oil Company | Tomball, TX 77375 | Oil & Gas Operator | Oct 2025 |
| 3 | Karis Resources, LLC | Tyler, TX 75707 | Oil & Gas Operator | Feb 2019 |
| 4 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 5 | Kebo Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Oct 2025 |
| 6 | Kelpetro, Inc. | Houston, TX 77056 | Oil & Gas Operator | Mar 2012 |
| 7 | Kenne Exploration, Inc. | Missouri City, TX 77489 | Oil & Gas Operator | Oct 2025 |
| 8 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |
| 9 | Key Operating & Equipment, Inc. | Midlothian, TX 76065 | Oil & Gas Operator | Nov 2024 |
| 10 | Keystone Energy LLC | Farmington, NM 87499 | Oil & Gas Operator | May 2025 |
| 11 | Keystone Operating Co. | Round Rock, TX 78681 | Oil & Gas Operator | Oct 2025 |
| 12 | Kimmeridge Texas Gas, LLC | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 13 | Kinder Morgan Production Co LP | Midland, TX 79701 | Oil & Gas Operator | Jul 2007 |
| 14 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
| 15 | Klotzman, M. S. Exploration Co. | Victoria, TX 77903 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Karnes County, TX and for the production period listed.