Oil & Gas Companies in Concordia Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Palmetto Oil Co., Inc. | | Oil & Gas Operator | Jan 2025 |
| 2 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 3 | Par-Naylor | | Oil Operator | Mar 1985 |
| 4 | Paradigm Energy LLC | Lenexa, KS 66227 | Oil & Gas Operator | Dec 2024 |
| 5 | Paul Guido | | Oil Operator | Oct 1998 |
| 6 | Paul J. Ross | | Oil Operator | Dec 1986 |
| 7 | Pennzenergy Explor & Prod LLC | | Oil & Gas Operator | Dec 1999 |
| 8 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 9 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 10 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 11 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 12 | Petroleum Exchange | | Oil & Gas Operator | Oct 1997 |
| 13 | PF Operating Company | Wichita Falls, TX 76302 | Oil & Gas Operator | Aug 2003 |
| 14 | Phoenix Energy, Inc. | Oilmont, MT 59466 | Oil & Gas Operator | May 2025 |
| 15 | Pilot Resources, Inc. | | Oil & Gas Operator | May 2013 |
| 16 | Pinnacle Operating Company, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Oct 2025 |
| 17 | Pruet & Hughes Co. | | Oil & Gas Operator | Jan 1978 |
| 18 | Pruet Production Co. | Jackson, MS 39201 | Oil & Gas Operator | Jul 2025 |
Production numbers shown above are only for Concordia Parish, LA and for the production period listed.