| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | L P C Energy, Inc. | Oil & Gas Operator | Mar 1985 | |
| 2 | L'Oil Operating And MGMT. Co. | Oil & Gas Operator | Dec 2008 | |
| 3 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Aug 2024 |
| 4 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 5 | Lear Gas Transmission | Oil Operator | Aug 1989 | |
| 6 | Lear Petroleum Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Aug 1999 |
| 7 | Lindenmuth & Associates | Oil & Gas Operator | Aug 2001 | |
| 8 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 9 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 10 | Long Oil & Natural Gas Corp. | Oil & Gas Operator | Feb 1996 | |
| 11 | Lyons Petroleum, Inc. | Oil & Gas Operator | Oct 1988 |