| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Lamson/Onshore Petroleum Corp. | Oil & Gas Operator | Sep 1985 | |
| 2 | Lastrada Oil And Gas LTD | Oil & Gas Operator | May 1992 | |
| 3 | Layline Petroleum I, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2013 |
| 4 | Lewis Williams | Oil & Gas Operator | Feb 1991 | |
| 5 | LGS Exploration, Inc. | Oil & Gas Operator | Jan 1991 | |
| 6 | Linder Oil Company | Oil & Gas Operator | Apr 1985 | |
| 7 | Linder Oil Company,A Partnership | Shreveport, LA 71136 | Oil & Gas Operator | Apr 2025 |
| 8 | Louisiana Resources Co | Oil Operator | May 1992 |