Oil & Gas Companies in Lavaca County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | J.R. Oil And Gas Inc. | Alvin, TX 77511 | Oil & Gas Operator | Oct 2025 |
| 2 | Jackson Energy Development, Inc. | Cedar Park, TX 78613 | Oil & Gas Operator | Oct 2025 |
| 3 | Jackson Petroleum Consulting,Inc | Plano, TX 75075 | Oil & Gas Operator | Sep 2019 |
| 4 | Jamex, Inc. | Lewisville, TX 75067 | Oil & Gas Operator | Oct 2025 |
| 5 | Jennings Exploration Company | Beeville, TX 78102 | Oil & Gas Operator | Feb 2024 |
| 6 | Jil Oil Corp. | San Antonio, TX 78279 | Oil & Gas Operator | Oct 2025 |
| 7 | JN Exploration & Production LP | Billings, MT 59103 | Oil & Gas Operator | Jan 2001 |
| 8 | Johnson & Ernst Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2018 |
| 9 | Jones, Edwin M. Oil Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 10 | Josey, Lenoir M., Inc. | Houston, TX 77019 | Oil & Gas Operator | Aug 2003 |
| 11 | Jud,L.C. | Corpus Chrsti, TX 78473 | Gas Operator | Jul 2003 |
Production numbers shown above are only for Lavaca County, TX and for the production period listed.