| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | L L & H E Kidd | Gas Operator | Sep 1990 | |
| 2 | L. E. Hester | Gas Operator | Oct 2004 | |
| 3 | La. Fete Oil & Gas, Inc. | Oil & Gas Operator | May 1995 | |
| 4 | La.Gas Service Expl. Program | Gas Operator | Dec 1989 | |
| 5 | Laster Welding And Well Serv, Inc. | Gas Operator | Jul 2020 | |
| 6 | Lear Gas Transmission | Oil Operator | Aug 1989 | |
| 7 | Loe Oil & Gas Corporation | Gas Operator | Dec 1977 | |
| 8 | Lotter Gas Co., Inc. | Gas Operator | Apr 2009 | |
| 9 | Louisiana Crude Oil&Gas Co Inc | Oil & Gas Operator | Mar 1984 | |
| 10 | Louisiana Gas Production Co | Gas Operator | Dec 1996 | |
| 11 | Luffey Gas Corp. | Gas Operator | Dec 2008 | |
| 12 | Luffey-Stinson Gas Corporation | Gas Operator | Sep 2018 |