Oil & Gas Companies in Caldwell County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Nelmark Energy Corporation | San Antonio, TX 78231 | Oil & Gas Operator | Apr 2002 |
| 2 | Nelms Bros. Oil Properties Inc. | Austin, TX 78711 | Oil & Gas Operator | Jun 1996 |
| 3 | Nelson, Roy K. & Co. | Arlington, TX 76016 | Oil & Gas Operator | Jul 1995 |
| 4 | NM&O Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2025 |
| 5 | North American Drilling Corp | Plano, TX 75093 | Oil & Gas Operator | Oct 2025 |
| 6 | North Central Oil Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
| 7 | North South Oil, LLC | Luling, TX 78648 | Oil Operator | Oct 2025 |
| 8 | Northridge Exploration, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 9 | Northridge Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Caldwell County, TX and for the production period listed.