Oil & Gas Companies in McMullen County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Nails Operating Company LLC | Hondo, TX 78861 | Oil Operator | Oct 2025 |
| 2 | Natural Reserves Group, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jun 1993 |
| 3 | NBL Permian LLC | Houston, TX 77070 | Oil & Gas Operator | Aug 2018 |
| 4 | Ncey Holdings, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2013 |
| 5 | New Horizon Investments LTD. | George West, TX 78022 | Oil & Gas Operator | Oct 2025 |
| 6 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
| 7 | Newgulf Petroleum, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2017 |
| 8 | Newman Operating Company | Freer, TX 78357 | Oil & Gas Operator | Jun 2021 |
| 9 | Nexen Petroleum U.S.A. Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2012 |
| 10 | Nitro Oil & Gas, LLC | Cuero, TX 77954 | Oil & Gas Operator | Oct 2025 |
| 11 | North Lake Resources LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2025 |
| 12 | Nueces Minerals Company | Dallas, TX 75251 | Oil & Gas Operator | May 2021 |
| 13 | Nupower Energy, LLC | Houston, TX 77058 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for McMullen County, TX and for the production period listed.