Oil & Gas Companies in San Augustine County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Palmer Petroleum Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2025 |
| 2 | Pedeco, Inc. | Casper, WY 82601 | Oil & Gas Operator | Mar 2008 |
| 3 | Pegasus Petroleum Corporation | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Oct 2025 |
| 4 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 5 | Pine Wave Energy Partners Op,LLC | Dallas, TX 75205 | Oil & Gas Operator | Oct 2025 |
| 6 | Placid Oil Company | Houston, TX 77227 | Oil & Gas Operator | Mar 2008 |
| 7 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 8 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
Production numbers shown above are only for San Augustine County, TX and for the production period listed.