| 1 | L & B Oil & Gas, Inc | Harold, KY 41635 | Oil & Gas Operator | Dec 2023 |
| 2 | L. A. W. Oil, LLC | | Oil Operator | Dec 2018 |
| 3 | Lakeside Resources, LLC | London, KY 40741 | Gas Operator | Dec 2020 |
| 4 | Lamar Properties | Evansville, IN 47716 | Gas Operator | Dec 2023 |
| 5 | Last Ditch Petroleum LLC | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 6 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 7 | Lawrence County Gas LLC | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2023 |
| 8 | Lear Oil, LLC | Junction City, KY 40440 | Oil Operator | Dec 2023 |
| 9 | Legacy Oil, LLC | Falls Of Rough, KY 40119 | Oil Operator | Dec 2023 |
| 10 | Legg, Raymond | | Oil Operator | Dec 2010 |
| 11 | Lewis, Freddie | | Oil Operator | Dec 2023 |
| 12 | Liberty National Corp | Dallas, TX 75206 | Oil Operator | Dec 2006 |
| 13 | Licking Valley Construction Co., Inc. | | Oil & Gas Operator | Dec 2016 |
| 14 | Lincoln Energy Corporation | Dennis, MA 02638 | Oil & Gas Operator | Dec 2021 |
| 15 | Lindsey, W W | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2023 |
| 16 | Lindsey, W W & Elliott, W E | | Oil & Gas Operator | Dec 2023 |
| 17 | Lindsey, W W & Elliott, W E Dba Lindsey & Elliott | | Oil & Gas Operator | Dec 2023 |
| 18 | Lindsey, W W Et Al | | Gas Operator | Dec 2023 |
| 19 | Little Man Gas, LLC | Pikeville, KY 41501 | Gas Operator | Dec 2021 |
| 20 | Loeb Bros., LLC | Lawrenceville, IL 62439 | Oil Operator | Dec 2016 |
| 21 | Loeb, Herman L, LLC | Lawrenceville, IL 62439 | Oil Operator | Dec 2017 |
| 22 | Lone Star Oil & Gas, Inc. | Greenville, KY 42345 | Oil & Gas Operator | Dec 2023 |
| 23 | Louisville Gas & Electric Co | Louisville, KY 40241 | Oil Operator | Dec 2023 |
| 24 | Lowe, Wallace W | | Oil Operator | Dec 2013 |
| 25 | Lucky Run, LLC | | Oil Operator | Dec 2019 |
| 26 | Lyle Energy & Development, Inc | | Oil Operator | Dec 2008 |