Oil & Gas Companies in Calcasieu Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Occidental Energy Company, Inc. | Houston, TX 77282 | Oil & Gas Operator | Jul 2021 |
| 2 | Ody Oil Corp. | | Oil & Gas Operator | Oct 1994 |
| 3 | Oil Well Buyers Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
| 4 | Oleum Incorporated | | Oil & Gas Operator | Mar 1996 |
| 5 | Oleum Operating Company, L.C. | Longview, TX 75606 | Oil & Gas Operator | Dec 2021 |
| 6 | Oleum Operating La LLC | | Oil & Gas Operator | Nov 2022 |
| 7 | Olipdp II, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Oct 2025 |
| 8 | Olympic Petroleum Company | Tulsa, OK 74114 | Oil & Gas Operator | Jun 1998 |
| 9 | Olympic Production Company | | Oil & Gas Operator | Jul 1994 |
| 10 | Omeara Bros. | | Oil & Gas Operator | Oct 1982 |
| 11 | Omega Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 12 | Orion Oil & Gas, LLC | Houston, TX 77042 | Oil & Gas Operator | Oct 2007 |
| 13 | Orx Resources, L.L.C. | Houston, TX 77067 | Oil & Gas Operator | Oct 2025 |
| 14 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 15 | Output Acquisition Corp. | | Oil & Gas Operator | Jul 2010 |
| 16 | Oxtex Inc | | Oil & Gas Operator | Oct 1989 |
Production numbers shown above are only for Calcasieu Parish, LA and for the production period listed.