Oil & Gas Companies in Kentucky
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | D & D Oil & Gas LLC | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2025 |
| 2 | D & G Natural Resources Inc | Somerset, KY 42502 | Oil & Gas Operator | Dec 2024 |
| 3 | D C Oil, Inc | Whitesville, KY 42378 | Oil Operator | Dec 2017 |
| 4 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 5 | Dara Operating Company, LLC | Electra, TX 76360 | Oil & Gas Operator | Apr 2026 |
| 6 | Deep Hole Oil LLC | Ashland, KY 41105 | Oil & Gas Operator | Dec 2020 |
| 7 | Del Energy, Inc | | Oil Operator | Dec 2014 |
| 8 | Delta Producers, Inc | Greenville, MS 38703 | Oil & Gas Operator | Dec 2023 |
| 9 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2024 |
| 10 | Diamond Endeavors Inc | | Oil Operator | Dec 2020 |
| 11 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Apr 2026 |
| 12 | Diversified Southern Production LLC | | Oil & Gas Operator | Dec 2018 |
| 13 | DLJ Investments, LLC | Springboro, OH 45006 | Oil Operator | Dec 2023 |
| 14 | Dobbs Oil & Gas | | Oil Operator | Dec 2013 |
| 15 | Dominion Resources, Inc | Staffordsville, KY 41256 | Oil & Gas Operator | Dec 2024 |
| 16 | Dominiq Operating, Inc | Scurry, TX 75158 | Oil Operator | Dec 2023 |
| 17 | Dotson, Robert M | | Oil Operator | Dec 2020 |
| 18 | Double D Producers, Inc | Edmonton, KY 42129 | Oil Operator | Dec 2024 |
| 19 | Duncan Drilling Co. | Big Spring, TX 79721 | Oil & Gas Operator | Apr 2026 |
| 20 | Duncan, Gene L Dba Duncan Oil Co | Salem, IL 62881 | Oil Operator | Dec 2018 |
Production numbers shown above are only for Kentucky and for the production period listed.