Oil & Gas Companies in Ouachita Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | A & C Gas Productions, Inc. | | Gas Operator | Mar 2012 |
| 2 | A A Company | | Gas Operator | Jun 2005 |
| 3 | A J & A, Inc. | | Gas Operator | Feb 2009 |
| 4 | Acadian Land & Expl., Inc. | | Oil & Gas Operator | May 1992 |
| 5 | Ace Drilling Services, Inc. | | Oil & Gas Operator | Sep 1987 |
| 6 | Allied Petroleum Company | | Gas Operator | Dec 1992 |
| 7 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
| 8 | Arco O & G Co-Div Atl Rich Co | | Oil & Gas Operator | Feb 1994 |
| 9 | Ark-La-Tex Energy Partners, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2013 |
| 10 | Ark-La-Tex Energy, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 11 | Arkla Energy Resources | Shreveport, LA 71151 | Oil & Gas Operator | Mar 2015 |
| 12 | Arkla Exploration Co. | Shreveport, LA 71151 | Oil & Gas Operator | Jan 1993 |
| 13 | Asa Energy Corp | | Oil & Gas Operator | Jun 1984 |
| 14 | Ascot Oils, Inc. | | Oil & Gas Operator | Jul 1993 |
| 15 | Ashland Exploration Inc | Houston, TX 77218 | Oil & Gas Operator | Nov 2000 |
| 16 | Ashland Oil, Inc | | Oil & Gas Operator | Dec 2023 |
Production numbers shown above are only for Ouachita Parish, LA and for the production period listed.