| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Perdue-Davidson Oil Co | Oil & Gas Operator | Dec 2021 | |
| 2 | Perkins, Don & Assoc, Inc | Oil Operator | Dec 2011 | |
| 3 | Pipeline Holdings, Inc | Gas Operator | Dec 2012 | |
| 4 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
| 5 | Primo Petroleum, LLC | Austin, TX 78729 | Oil Operator | Dec 2019 |
| 6 | Primrose Oil LLC | Oil Springs, KY 41238 | Oil & Gas Operator | Dec 2023 |