Oil & Gas Companies in Kentucky
| Company Name | Company Location | Company Type | Most Recent Production |
| 601 | Wildcat Exploration, LLC | Glasgow, KY 42141 | Oil Operator | Dec 2023 |
| 602 | Wildcat Oil, LLC | Sebree, KY 42455 | Oil Operator | Dec 2021 |
| 603 | Wilhelm, Robert V | Russellville, KY 42276 | Gas Operator | Dec 2023 |
| 604 | William B Renfro LLC | | Oil Operator | Dec 2020 |
| 605 | Williams, Floyd E | | Oil Operator | Dec 2015 |
| 606 | Williams, John E | Scottsville, KY 42164 | Oil Operator | Dec 2015 |
| 607 | Wilson, Bruce Oil Inc | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 608 | Wilson, Ernest L | Morganfield, KY 42437 | Oil Operator | Dec 2023 |
| 609 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 610 | Wood, Clarence & Lacy, W F | | Oil Operator | Dec 2019 |
| 611 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Nov 2025 |
| 612 | Yates Drilling Company | Artesia, NM 88210 | Oil & Gas Operator | Dec 2021 |
| 613 | Yost, Barbra E | | Oil Operator | Dec 2018 |
| 614 | Young Oil Corporation | | Oil & Gas Operator | Dec 2019 |
| 615 | Zaveri Oil & Gas LTD | Albany, KY 42602 | Oil Operator | Dec 2006 |
| 616 | Zenithal LLC | Isonville, KY 41149 | Oil & Gas Operator | Dec 2023 |
Production numbers shown above are only for Kentucky and for the production period listed.