| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | L & J Operating Inc | Gillette, WY 82718 | Oil & Gas Operator | Aug 2016 |
| 2 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Oct 2025 |
| 3 | Levinson Partners Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 1995 |
| 4 | Lewis & Clark Exploration | Oil Operator | Feb 1989 | |
| 5 | Lincero LLC | Sinclair, WY 82334 | Oil Operator | Sep 2025 |
| 6 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 7 | Lodestone Operating | Portland, TX 78374 | Oil & Gas Operator | Jul 2025 |
| 8 | Loil Oil LLC | Golden, CO 80402 | Oil & Gas Operator | Aug 2025 |
| 9 | Luff Exploration | Denver, CO 80203 | Oil & Gas Operator | Dec 2006 |