| 1 | L & B Oil Company Inc | Houston, TX 77019-3115 | Oil & Gas Operator | Sep 2024 |
| 2 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Sep 2024 |
| 3 | Lariat Petroleum Inc | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2024 |
| 4 | Las Colinas Oil Corp. | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 5 | Latigo Oil And Gas Inc | Woodward, OK 73801 | Oil & Gas Operator | Oct 2024 |
| 6 | LCB Resources LLC | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Sep 2024 |
| 7 | Leeman Energy Corporation | Oklahoma City, OK 73118-1802 | Oil & Gas Operator | Mar 2015 |
| 8 | Legacy - M & K Corporation | Dallas, TX 75231-0969 | Oil & Gas Operator | Sep 2024 |
| 9 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Dec 2024 |
| 10 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Aug 2024 |
| 11 | Linn Mid-Continent Operating Inc | Houston, TX 77002-3018 | Oil & Gas Operator | Jun 2016 |
| 12 | Locin Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 13 | Lorentz Oil & Gas LLC | Edmond, OK 73034-7266 | Oil & Gas Operator | Sep 2024 |
| 14 | Louis Dreyfus Gas Marketing | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2018 |
| 15 | Lu-Ray Petroleum LLC | Oklahoma City, OK 73121-1607 | Oil & Gas Operator | Oct 2024 |