| 1 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 2 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 3 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Jan 2024 |
| 4 | Lariat Petroleum Inc | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2023 |
| 5 | Las Colinas Oil Corp. | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 6 | Latigo Oil And Gas Inc | Woodward, OK 73802-1208 | Oil & Gas Operator | Feb 2024 |
| 7 | LCB Resources LLC | | Oil & Gas Operator | Feb 2024 |
| 8 | Leeman Energy Corporation | Oklahoma City, OK 73118-1802 | Oil & Gas Operator | Mar 2015 |
| 9 | Legacy - M & K Corporation | Dallas, TX 75231-0969 | Oil & Gas Operator | Jan 2024 |
| 10 | Legacy Reserves Operating LP | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
| 11 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 12 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Feb 2024 |
| 13 | Linn Mid-Continent Operating Inc | Houston, TX 77002-3018 | Oil & Gas Operator | Jun 2016 |
| 14 | Locin Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 15 | Lorentz Oil & Gas LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2024 |
| 16 | Louis Dreyfus Gas Marketing | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2018 |
| 17 | Lu-Ray Petroleum LLC | Oklahoma City, OK 73121-1607 | Oil & Gas Operator | Feb 2024 |
| 18 | LX4 LLC | | Oil Operator | Jan 2024 |