| 1 | L P C Energy, Inc. | | Oil & Gas Operator | Mar 1985 |
| 2 | La Gas Dev Corp/Araxas | | Oil & Gas Operator | Dec 2001 |
| 3 | La Intrastate Gas Co LLC | | Oil Operator | Apr 2004 |
| 4 | La. Land & Expl. Co. | | Oil & Gas Operator | Dec 2010 |
| 5 | Lafayette Oilfield Contractors, Inc. | | Oil Operator | Dec 2024 |
| 6 | Lake Racourci Gath Sys, LLC | | Oil Operator | May 2004 |
| 7 | Lamson Petroleum Corporation | | Oil & Gas Operator | Mar 1993 |
| 8 | Lamson/Crocker Petroleum Corp. | | Oil & Gas Operator | May 1988 |
| 9 | Lamson/Onshore Petroleum Corp. | | Oil & Gas Operator | Sep 1985 |
| 10 | Lanoco, Inc. | | Oil & Gas Operator | Sep 2002 |
| 11 | Las Services, Inc. | | Oil & Gas Operator | Oct 1997 |
| 12 | Lea Exploration, Inc. | | Oil & Gas Operator | Nov 1989 |
| 13 | Lear Petroleum Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Aug 1999 |
| 14 | Leigh Operating Co | Dallas, TX 75205 | Oil & Gas Operator | Mar 2008 |
| 15 | Levinson Partners Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 1995 |
| 16 | Liberty Oil And Gas Corp. | Olney, IL 62450-2489 | Oil & Gas Operator | Dec 2021 |
| 17 | Liberty Resources, Inc. | | Oil & Gas Operator | Dec 2024 |
| 18 | Lignum Oil Company | | Oil & Gas Operator | Dec 1989 |
| 19 | Linder Oil Company,A Partnership | Shreveport, LA 71136 | Oil & Gas Operator | Oct 2025 |
| 20 | Lko Operating LLC | | Oil & Gas Operator | Feb 2017 |
| 21 | Llog Expl. Co. | Metairie, LA 70005 | Oil & Gas Operator | Jan 2003 |
| 22 | Llog Exploration & Prod Co | | Oil & Gas Operator | Jul 2000 |
| 23 | Llog Exploration Company, L.L.C. | | Oil & Gas Operator | Jun 2025 |
| 24 | Llog Production Company | Metairie, LA 70005 | Oil & Gas Operator | Apr 1995 |
| 25 | Llox, L.L.C. | Covington, LA 70433 | Oil & Gas Operator | Oct 2025 |
| 26 | LNG Gathering Company | | Oil Operator | Oct 2024 |
| 27 | Lobo Operating, Inc. | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
| 28 | Louisiana Gas Development Corp | | Oil & Gas Operator | Jan 2025 |
| 29 | Louisiana Gas System, Inc. | | Oil Operator | Apr 2004 |
| 30 | Louisiana Intrastate Gas Corp. | | Oil Operator | Feb 1994 |
| 31 | Louisiana Resources Co | | Oil Operator | May 1992 |
| 32 | Lucky Lad Energy, LLC | Magnolia, TX 77353 | Oil & Gas Operator | Oct 2025 |
| 33 | Lynal, Inc. | | Oil & Gas Operator | Oct 1988 |
| 34 | Lyons Petroleum, Inc. | | Oil & Gas Operator | Oct 1988 |