Oil & Gas Companies in LaSalle Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | S S M Partnership | | Oil & Gas Operator | Jul 1992 |
| 2 | S&S Williams Inc | | Oil Operator | May 2004 |
| 3 | S.H. Loe Oil Corp. | | Oil & Gas Operator | Jan 2025 |
| 4 | Sam Spears, Jr. | | Oil & Gas Operator | Sep 1998 |
| 5 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 6 | Sasha Petroleum, Inc | | Oil Operator | Jan 1986 |
| 7 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2025 |
| 8 | Secan Oil Co., Inc. | | Oil & Gas Operator | May 1987 |
| 9 | Senior G&A Operating Co Inc | | Oil & Gas Operator | Nov 1991 |
| 10 | Shannon Williams | | Oil Operator | Jan 1993 |
| 11 | Shelby H. Loe, SR. Oil Co. | | Oil Operator | Jul 1989 |
| 12 | Shoreline GP LLC | | Oil & Gas Operator | Jun 2012 |
| 13 | Signal Operating L.L.C. | | Oil Operator | Jan 2025 |
| 14 | Skyhawk Energy, LLC | | Oil Operator | Dec 2024 |
| 15 | Sleeth And Brooks Oil Co. | | Oil Operator | Jul 1989 |
| 16 | Smith Operating And MGMT Co. | Shreveport, LA 71161 | Oil & Gas Operator | Jun 2023 |
| 17 | Smith-Wentworth | | Oil & Gas Operator | Sep 1983 |
| 18 | Sola Operating, LLC | Trout, LA 71371 | Oil Operator | Oct 2025 |
| 19 | Son-Dad Oil & Gas | | Oil & Gas Operator | Dec 1994 |
| 20 | Sonny King | | Oil & Gas Operator | Jan 2025 |
| 21 | Sonny King Production | | Oil & Gas Operator | Jan 2025 |
| 22 | Spirit Petroleum Company | | Oil & Gas Operator | Apr 1999 |
| 23 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
| 24 | Stenco | | Oil & Gas Operator | Apr 1994 |
| 25 | SW Associates | | Oil & Gas Operator | Dec 1985 |
Production numbers shown above are only for LaSalle Parish, LA and for the production period listed.