| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2018 |
| 2 | Penn-Ohio Investment Corp. | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2004 |
| 3 | Petroleum Development Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 4 | Pillar Energy, LLC | Charleston, WV 25312-5987-5987 | Oil & Gas Operator | Dec 2023 |
| 5 | Pinnacle Mining Company, LLC | Oil & Gas Operator | Dec 2017 | |
| 6 | PMJ, Inc. | Man, WV 25635-0000 | Gas Operator | Dec 2021 |
| 7 | Pocahontas Gas LLC | Gas Operator | Dec 2021 | |
| 8 | Priority Production, LLC | Gas Operator | Dec 2021 |