Oil & Gas Companies in Kentucky
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Oeth DRLG Co | | Oil Operator | Dec 2018 |
| 2 | Ohio Kentucky Oil Corporation | Lexington, KY 40503 | Oil & Gas Operator | Dec 2023 |
| 3 | Ohio Valley Energy, Inc | Livermore, KY 42352 | Oil Operator | Dec 2023 |
| 4 | Oilcat Production Co Inc | McLeansboro, IL 62859 | Oil Operator | Dec 2023 |
| 5 | Oilfield Research, Inc | | Oil Operator | Dec 2021 |
| 6 | Omr Drilling & Acquisition LLC | Albany, KY 42602 | Oil Operator | Dec 2015 |
| 7 | Onyx Int'L Exploration LLC | | Oil & Gas Operator | Dec 2015 |
| 8 | Orbit Gas Transmission, Inc | Owensboro, KY 42303 | Oil & Gas Operator | Dec 2023 |
| 9 | Overfield, Lee R | Waverly, KY 42462 | Oil Operator | Dec 2016 |
| 10 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Nov 2025 |
Production numbers shown above are only for Kentucky and for the production period listed.