| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ladd Petroleum C | Oil & Gas Operator | Sep 1989 | |
| 2 | Lang, Herman - Marital Trust | Garden City, KS 67846 | Oil & Gas Operator | Jun 2025 |
| 3 | Liedtke Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2022 |
| 4 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 5 | Louis Dreyfus Natural Gas Corp. | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2015 |
| 6 | Lyco Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jun 2015 |