| 1 | H K A Enterprises Inc | Kettle, KY 42717 | Oil Operator | Dec 2021 |
| 2 | Hagan, IVan - All-Kin Oil Co | | Oil Operator | Dec 2023 |
| 3 | Hall Farm Leasing, LLC | | Oil Operator | Dec 2012 |
| 4 | Har Ken Oil Company | | Oil & Gas Operator | Dec 2021 |
| 5 | Har-Ken Agent Ok, LTD | Owensboro, KY 42302 | Oil & Gas Operator | Dec 2023 |
| 6 | Hard Rock DRLG Co | Falls Of Rough, KY 40119 | Oil Operator | Dec 2023 |
| 7 | Hart Oil, LLC | | Oil Operator | Dec 2014 |
| 8 | Hawkins, Blanche | Clay City, KY 40312 | Oil Operator | Dec 2023 |
| 9 | Hawkins, David A | | Oil Operator | Dec 2023 |
| 10 | Hay Exploration, Inc | Ashland, KY 41102 | Oil & Gas Operator | Dec 2021 |
| 11 | Hayden Harper Energy Ka, LLC | Charlotte, NC 28203-4173 | Oil & Gas Operator | Dec 2021 |
| 12 | Hayden, Mabel | Barkerton, KY 42717 | Oil Operator | Dec 2015 |
| 13 | Heath, Chad | Greensburg, KY 42743 | Oil Operator | Dec 2023 |
| 14 | Henderson, David Malcolm & Georgina Hewlett | Hancock, MD 21750 | Oil Operator | Dec 2023 |
| 15 | Hester, Harold & Betty | Bowling Green, KY 42101 | Oil Operator | Dec 2023 |
| 16 | Hi-Mi Exploration, LLC | Alvaton, KY 42122 | Oil & Gas Operator | Dec 2022 |
| 17 | Hickey, Jeff | Whitesville, KY 42378 | Oil Operator | Dec 2023 |
| 18 | Hickman, Chad | Burkesville, KY 42717 | Oil Operator | Dec 2023 |
| 19 | High Splint Gas & Oil, Inc | Greenville, KY 42345 | Oil Operator | Dec 2023 |
| 20 | Highland Oil & Gas Co | Mason, OH 45040 | Oil Operator | Dec 2022 |
| 21 | Hillside Oil Inc | Aurora, ON L4G | Oil Operator | Dec 2021 |
| 22 | Hilltopper Energy, LLC | Hopkinsville, KY 42240 | Oil & Gas Operator | Dec 2023 |
| 23 | Hinkle Oil And Gas Inc | Oklahoma City, OK 73112-4275 | Oil & Gas Operator | Aug 2025 |
| 24 | Hobbs, Columbus Agent | | Oil & Gas Operator | Dec 2018 |
| 25 | Hoffman George A | | Oil & Gas Operator | Dec 2022 |
| 26 | Homeland Energy GP | Campbellsville, KY 42719 | Oil & Gas Operator | Dec 2021 |
| 27 | Hoots Jr, Willard | Martinsville, IN 46151 | Oil Operator | Dec 2023 |
| 28 | Horizon Natural Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 29 | Howard, Anthony D | Philpot, KY 42366 | Oil Operator | Dec 2023 |
| 30 | HTC Gas Company, LLC | Hindman, KY 41822 | Gas Operator | Dec 2023 |
| 31 | Hueysville Gas Co | Eastern, KY 41622 | Gas Operator | Dec 2014 |
| 32 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 33 | Hurt, W C & C E | | Oil Operator | Dec 2006 |
| 34 | Hydrocarbon Inv, Inc | | Oil Operator | Dec 2018 |