| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Lachenmayr Oil C | Oil Operator | Sep 1996 | |
| 2 | Lachenmayr Oil LLC | Newton, KS 67114 | Oil & Gas Operator | Dec 2023 |
| 3 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 4 | Larcom Mike | Oil Operator | Feb 1987 | |
| 5 | Larson Operating Company | Olmitz, KS 67564-8561 | Oil & Gas Operator | Dec 2019 |
| 6 | Lasmo Energy Cor | Oil Operator | Feb 1990 | |
| 7 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Dec 2023 |
| 8 | Lebow, Marvin E. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 1997 |
| 9 | Led Enterprises | El Dorado, KS 67042 | Oil Operator | Sep 1999 |
| 10 | Led Enterprises LLC | El Dorado, KS 67042 | Oil Operator | Dec 2009 |
| 11 | Lee Phillips Oil Company | Oil Operator | Dec 2023 | |
| 12 | Little Neil Oil | Oil Operator | Jul 1994 | |
| 13 | Longhorn Oil & Gas | Oil Operator | Nov 2023 |