Oil & Gas Companies in Waller County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Neostar Energy Co. | Crossville, TN 38572 | Oil & Gas Operator | Feb 2019 |
| 2 | New Century Exploration, Inc. | Spring, TX 77379 | Oil & Gas Operator | Oct 2025 |
| 3 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
| 4 | North American Drilling Corp | Plano, TX 75093 | Oil & Gas Operator | Oct 2025 |
| 5 | North Operating Company | Canton, TX 75103 | Oil & Gas Operator | Oct 2025 |
| 6 | North Star Energy, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Jan 2010 |
| 7 | Nupower Energy, LLC | Houston, TX 77058 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Waller County, TX and for the production period listed.