| 1 | L & B Oil Company Inc | Houston, TX 77019-3115 | Oil & Gas Operator | Sep 2024 |
| 2 | L & L Smith Energy Corporation | Muskogee, OK 74403-8479 | Oil & Gas Operator | Jan 2023 |
| 3 | L E Jones Operating Inc | Duncan, OK 73534 | Oil & Gas Operator | Oct 2024 |
| 4 | Lackey Raymond R | Lindsay, OK 73052 | Oil & Gas Operator | Jun 2015 |
| 5 | Lackey Raymond R & Assoc | Sulphur, OK 73086 | Oil & Gas Operator | Sep 2024 |
| 6 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
| 7 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Sep 2024 |
| 8 | Lamb Alan L | Oklahoma City, OK 73120-7824 | Oil & Gas Operator | Feb 2020 |
| 9 | Lambdin William H | Oklahoma City, OK 73120 | Oil & Gas Operator | Nov 1998 |
| 10 | Lance Ruffel Oil & Gas LLC | Oklahoma City, OK 73102-5632 | Oil & Gas Operator | Oct 2024 |
| 11 | Lariat Energy & Supply Co Inc | Hulbert, OK 74441 | Oil & Gas Operator | Jul 2024 |
| 12 | Lariat Petroleum Inc | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2024 |
| 13 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Dec 2024 |
| 14 | Last Run, LLC | Rillito, AZ 85246 | Oil & Gas Operator | May 2020 |
| 15 | Latigo Drilling Corporation | Duncan, OK 73533 | Oil & Gas Operator | Sep 2024 |
| 16 | Laurel Operating Company, Inc. | Stillwater, OK 74074-3025 | Oil & Gas Operator | Sep 2024 |
| 17 | Lavrco Energie Inc | Duncan, OK 73533 | Oil & Gas Operator | Oct 2024 |
| 18 | LCB Resources LLC | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Sep 2024 |
| 19 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 20 | Leavell Resources Corporation | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 21 | Leed Energy LLC | Purcell, OK 73080-1383 | Oil & Gas Operator | Sep 2024 |
| 22 | Leede Oil & Gas Inc. | Greenwood VLG, CO 80111 | Oil & Gas Operator | Aug 2003 |
| 23 | Liberty Operating Inc | Norman, OK 73069-8225 | Oil & Gas Operator | Mar 2022 |
| 24 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2024 |
| 25 | Lime Rock Resources IV-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 26 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Aug 2024 |
| 27 | Long Resources Inc | San Antonio, TX 78230-2890 | Oil & Gas Operator | Sep 2024 |
| 28 | Lorentz Oil & Gas LLC | Edmond, OK 73034-7266 | Oil & Gas Operator | Sep 2024 |
| 29 | Louis Dreyfus Gas Marketing | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2018 |
| 30 | LRR IV Operating Inc | Houston, TX 77002 | Oil & Gas Operator | Oct 2024 |
| 31 | LX4 LLC | Gage, OK 73843 | Oil Operator | Jul 2024 |