Oil & Gas Companies in Fort Bend 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 | Kaler Energy Corp. | Boerne, TX 78006 | Oil & Gas Operator | Oct 2025 |
| 3 | Karenco Energy, Incorporated | Seguin, TX 78155 | Oil & Gas Operator | Oct 1997 |
| 4 | Katsco Energy, Inc. | Round Rock, TX 78664 | Oil & Gas Operator | Oct 2025 |
| 5 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 6 | Kebo Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Oct 2025 |
| 7 | Kellco Energy, LTD. | Houston, TX 77057 | Oil & Gas Operator | Nov 2007 |
| 8 | Kelton, B.J. | Rosharon, TX 77583 | Oil & Gas Operator | Oct 2025 |
| 9 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
| 10 | Kerr-McGee Rocky Mountain Corp | Denver, CO 80202 | Oil & Gas Operator | Jan 2007 |
| 11 | Kinder Morgan Tejas Pipeline LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 12 | Kingwood Exploration LLC | Shreveport, LA 71105 | Oil & Gas Operator | Oct 2025 |
| 13 | Kovar Operating, LLC | Victoria, TX 77901 | Oil & Gas Operator | Sep 2021 |
| 14 | Kriti Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2012 |
| 15 | KZ Global Energy, LLC | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Fort Bend County, TX and for the production period listed.