| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Pacific-Atlantic Oil Company, Inc. | Oil & Gas Operator | Aug 2016 | |
| 2 | Palmer Petroleum Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Nov 2024 |
| 3 | Pan-Ok Production Company | Oil & Gas Operator | Jul 2024 | |
| 4 | Panenergy La Intrastate Co | Oil Operator | Mar 2000 | |
| 5 | Pelican Producing Co. | Gas Operator | Nov 1992 | |
| 6 | Pelico Pipeline, LLC | Oil Operator | Jun 2024 | |
| 7 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 8 | Pete Caldwell Drilling Co.,Inc | Oil & Gas Operator | Aug 1991 | |
| 9 | Petro-Lewis Corp. | Oil & Gas Operator | Feb 1994 | |
| 10 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 11 | Pine Pipeline, Inc. | Oil Operator | Dec 1998 | |
| 12 | Primos Oil & Gas Corp. | Gas Operator | Dec 2001 | |
| 13 | Primos Production | Oil & Gas Operator | Jun 2024 | |
| 14 | Primos-Pennzoil JV | Gas Operator | Feb 2005 | |
| 15 | Pruet Production Co. | Jackson, MS 39201 | Oil & Gas Operator | Aug 2024 |