| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Pancanadian Petr | Oil Operator | Aug 1990 | |
| 2 | Patrick Development Corporation | Leawood, KS 66206 | Oil Operator | Jul 2024 |
| 3 | Peewe Oil Co. | Oil Operator | Jul 2024 | |
| 4 | Petrik Oil - Jim | Oil Operator | Apr 1995 | |
| 5 | Piqua Petro, Inc. | Piqua, KS 66761 | Oil Operator | Jul 2024 |
| 6 | Piqua Petroleum | Oil Operator | Dec 1996 | |
| 7 | Postrock Midcontinent Production LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Aug 2024 |
| 8 | Prairie Oil, LLC | Louisburg, KS 66053 | Oil Operator | Jul 2024 |
| 9 | Prospective Inv. & Trading Co., LTD., The | Tulsa, OK 74170 | Oil Operator | Dec 2019 |
| 10 | Pup Oil Company | Oil Operator | Dec 1996 |