| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Pacific Coast Energy Company LP | Oil & Gas Operator | Dec 2023 | |
| 2 | Pacific Energy Resources LTD | Oil & Gas Operator | Sep 2009 | |
| 3 | Petro-Lewis Corp. | Oil & Gas Operator | Feb 1994 | |
| 4 | Petroprize | Oil & Gas Operator | Nov 2023 | |
| 5 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 6 | Pier Oil Company Inc. | Oil Operator | Dec 2023 | |
| 7 | Plegel Oil Company Inc. | Oil & Gas Operator | Dec 2023 | |
| 8 | Polaris Production Inc. | Oil & Gas Operator | Feb 2021 | |
| 9 | Powerdrive Energy Services Company LLC | Oil & Gas Operator | Nov 2023 | |
| 10 | Pyramid Oil Co. | Litchfield PK, AZ 85340 | Oil & Gas Operator | Jan 2018 |