Oil & Gas Companies in Frio County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Nails Operating Company LLC | Hondo, TX 78861 | Oil Operator | Feb 2026 |
| 2 | Nec Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Feb 2026 |
| 3 | Nelms Bros. Oil Properties Inc. | Austin, TX 78711 | Oil & Gas Operator | Jun 1996 |
| 4 | Neumann Oil & Gas, LLC | Bigfoot, TX 78005 | Oil Operator | Feb 2026 |
| 5 | Neumann, Alfred | Bigfoot, TX 78005 | Oil & Gas Operator | Aug 2003 |
| 6 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Feb 2026 |
| 7 | Nichols,Edwin S Explorations Inc | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 8 | Nijean, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Feb 2012 |
| 9 | Noonday Exploration, LLC | Tyler, TX 75711 | Oil & Gas Operator | Apr 2024 |
| 10 | North Central Oil Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
| 11 | North Star Energy, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Jan 2010 |
| 12 | Nutek Oil Inc | San Antonio, TX 78254 | Oil & Gas Operator | Feb 2006 |
Production numbers shown above are only for Frio County, TX and for the production period listed.