Oil & Gas Companies in Union Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | P. S. & G., Incorporated | | Gas Operator | Aug 1983 |
| 2 | Pacific Atlantic Oil Co. | | Oil & Gas Operator | Dec 2003 |
| 3 | Pan-Ok Production Company | | Oil & Gas Operator | Nov 2024 |
| 4 | Panenergy La Intrastate Co | | Oil Operator | Mar 2000 |
| 5 | Panola Energy Corporation | | Gas Operator | Mar 1980 |
| 6 | Paoco-Walker | | Gas Operator | Sep 2011 |
| 7 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 8 | Pelican Producing Co. | | Gas Operator | Nov 1992 |
| 9 | Pelico Pipeline, LLC | | Oil Operator | Dec 2024 |
| 10 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 11 | Peoples Energy Prod.-TX, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2007 |
| 12 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 13 | Petro-Lewis Corp. | | Oil & Gas Operator | Feb 1994 |
| 14 | Petrofunds, Inc. & Herd | | Oil & Gas Operator | Mar 1984 |
| 15 | PG&E Resources Company | Houston, TX 77042 | Oil & Gas Operator | May 1995 |
| 16 | Phillips Energy, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2018 |
| 17 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 18 | Primos & Luffey Gas Co. | | Gas Operator | May 2021 |
| 19 | Primos Production | | Oil & Gas Operator | Dec 2024 |
| 20 | Primos-Pennzoil JV | | Gas Operator | Feb 2005 |
| 21 | Pritchard Engineering | | Oil & Gas Operator | Mar 1989 |
| 22 | Prospera Energy, Inc. | | Oil & Gas Operator | Dec 2005 |
| 23 | Pruet Production Co. | Jackson, MS 39201 | Oil & Gas Operator | Jul 2025 |
Production numbers shown above are only for Union Parish, LA and for the production period listed.