| 4601 | West Kansas Oil Corporation | Oberlin, KS 67749 | Oil Operator | Aug 1998 |
| 4602 | West Plains Enterprises, Inc | Plains, KS 67869 | Oil & Gas Operator | Sep 2022 |
| 4603 | West Sunset Disposal, LLC | Amarillo, TX 79159 | Oil Operator | Oct 2003 |
| 4604 | West X, Inc. | Hays, KS 67601 | Oil Operator | Aug 1997 |
| 4605 | Westech Energy C | | Oil & Gas Operator | Dec 1996 |
| 4606 | Western Frontier Adventure, LLC | Easton, KS 66020 | Oil Operator | Dec 2019 |
| 4607 | Western Fuel & S | | Oil Operator | Oct 1987 |
| 4608 | Western Kansas E | | Oil Operator | Aug 1993 |
| 4609 | Western Oil & Gas Development Co. | Robinson, IL 62454 | Oil Operator | Jun 2000 |
| 4610 | Western Oil Comp | | Oil Operator | Aug 1989 |
| 4611 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | May 2025 |
| 4612 | Western Pacific Farms, Inc. | Copeland, KS 67837 | Oil & Gas Operator | Apr 2020 |
| 4613 | Western Plains Resources LLC | Garden City, KS 67846 | Oil & Gas Operator | Mar 2025 |
| 4614 | Western Properti | | Oil Operator | Oct 1987 |
| 4615 | Westgate Oil Com | | Oil Operator | Mar 1993 |
| 4616 | Westgate Oil Company, Inc. | Eureka, KS 67045 | Oil Operator | May 2025 |
| 4617 | Westlake Energy Consultants, Inc. | Westlake VIllage, CA 91362 | Gas Operator | Dec 2019 |
| 4618 | Westmore Drillin | | Oil & Gas Operator | Oct 1995 |
| 4619 | Westmore Drilling Company, Inc. | Lawrence, KS 66047 | Oil & Gas Operator | Dec 2019 |
| 4620 | Weston Management & Operations Group | Centreville, MD 21617 | Oil Operator | May 1997 |
| 4621 | Westport Oil And Gas Company Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2002 |
| 4622 | Westport Oil Com | | Oil Operator | Feb 1994 |
| 4623 | Westport Petrole | | Oil Operator | Feb 1985 |
| 4624 | Weststar Resourc | | Oil Operator | Sep 1992 |
| 4625 | WGP-KHC, LLC | Houston, TX 77002 | Oil Operator | May 2017 |
| 4626 | Wheatbelt Invest | | Oil Operator | Mar 1991 |
| 4627 | Wheatland Oil & | | Oil & Gas Operator | Aug 1984 |
| 4628 | Wheeler Oil Company | Sperry, OK 74073-9417 | Oil & Gas Operator | Mar 2025 |
| 4629 | Whitaker Companies, Inc. | Humboldt, KS 66748 | Oil & Gas Operator | Aug 2023 |
| 4630 | Whitaker Enterpr | | Oil Operator | Oct 1992 |
| 4631 | Whitaker Harold | | Oil Operator | Aug 1990 |
| 4632 | Whitco Petroleum, LP | Leoti, KS 67861 | Oil & Gas Operator | Mar 2025 |
| 4633 | White & Ellis DR | | Oil & Gas Operator | Aug 1995 |
| 4634 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Mar 2025 |
| 4635 | White Eagle Reso | | Oil Operator | Dec 1996 |
| 4636 | White Eagle Resources Corp. | Taos, NM 87571 | Oil & Gas Operator | Jun 2016 |
| 4637 | White Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Mar 2025 |
| 4638 | White Gas & Oil | Mesa, AZ 85210 | Oil Operator | Oct 2006 |
| 4639 | White Hawk Oil C | | Oil & Gas Operator | Sep 1995 |
| 4640 | White Hawk Oil Company, A General Partnership | Tulsa, OK 74101 | Oil Operator | Mar 2025 |
| 4641 | White Hawk Oil Company, LLP | Tulsa, OK 74103 | Oil Operator | Mar 2025 |
| 4642 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 4643 | White Pine Petro | | Oil Operator | Mar 1985 |
| 4644 | White Pine Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Dec 2019 |
| 4645 | White Rock Oil LLC | De Soto, KS 66018 | Oil Operator | May 2012 |
| 4646 | White, Edgar W. | Elkhart, KS 67950 | Gas Operator | Dec 2015 |
| 4647 | White, Kenneth S. | Wichita, KS 67220 | Oil & Gas Operator | Sep 2022 |
| 4648 | White, Robert F. | Wichita, KS 67220 | Oil & Gas Operator | Feb 2007 |
| 4649 | Whitehall Energy Corp. | Houston, TX 77095 | Gas Operator | Apr 2010 |
| 4650 | Whiteman Industries, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2024 |
| 4651 | Whitetail Crude | | Oil Operator | Nov 1996 |
| 4652 | Whitetail Crude, Inc | Ness City, KS 67560 | Oil & Gas Operator | Mar 2025 |
| 4653 | Whitlow Energy, Inc. | Spring Hill, KS 66083 | Oil & Gas Operator | Mar 2025 |
| 4654 | Wichita Industri | | Oil Operator | Nov 1987 |
| 4655 | Wick'S Petroleum | | Oil Operator | Aug 1983 |
| 4656 | Widener, A.C. Farms, Inc. | Hudson, KS 67545 | Oil Operator | Dec 2009 |
| 4657 | Widrig Donald N | | Oil Operator | May 1988 |
| 4658 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Mar 2025 |
| 4659 | Widrig, Don | Leawood, KS 66209 | Oil Operator | Jul 2008 |
| 4660 | Wiedemann K T TR | | Oil Operator | Jul 1992 |
| 4661 | Wiesner, Roman L. | Ellis, KS 67637 | Oil Operator | Dec 1993 |
| 4662 | Wiesner, Tom Oil Operations | Hays, KS 67601 | Gas Operator | Mar 2025 |
| 4663 | Wil-Max Co. | Kingman, KS 67068 | Oil Operator | Jul 2001 |
| 4664 | Wilcox Oil, LLC | Wichita, KS 67235 | Oil Operator | Dec 2019 |
| 4665 | Wildcat Energy, Inc. | Sedan, KS 67361 | Oil Operator | Feb 2001 |
| 4666 | Wildcat Oil & Gas LLC | Seneca, KS 66538 | Oil & Gas Operator | Mar 2025 |
| 4667 | Wildcat Resc Inc | | Oil & Gas Operator | Nov 1992 |
| 4668 | Wildcat Resources | | Oil & Gas Operator | Jun 2016 |
| 4669 | Wildfire Oil & Gas, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 4670 | Wildhorse Oil | Bogue, KS 67625 | Oil Operator | Oct 1994 |
| 4671 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Jul 2025 |
| 4672 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 4673 | Wilkinson Drilli | | Oil Operator | Dec 1991 |
| 4674 | William G Smith Oil, LLC | Osawatomie, KS 66064 | Oil Operator | Apr 2014 |
| 4675 | Williams Gas Pipeline Central, Inc. | Shawnee Mission, KS 66215 | Oil Operator | Sep 2010 |
| 4676 | Williams Oil Company | Midland, TX 79710 | Oil & Gas Operator | Jul 2025 |
| 4677 | Williams Production RMT Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2010 |
| 4678 | Williams Robert | | Oil & Gas Operator | Apr 1995 |
| 4679 | Williams, E. L. | Emporia, KS 66801 | Oil & Gas Operator | Nov 1988 |
| 4680 | Williams, M. A. | Houston, TX 77263 | Gas Operator | Feb 2025 |
| 4681 | Williams, Paul H. | Plainville, KS 67663 | Oil Operator | Mar 1987 |
| 4682 | Williams, Paul M. And/Or Judy A. | Leroy, KS 66857 | Oil Operator | Nov 2018 |
| 4683 | Williams, Raymond H.(Deceased) | Sedan, KS 67361 | Oil Operator | Nov 2009 |
| 4684 | Williams, Robert J. | Independence, KS 67301 | Oil Operator | May 2019 |
| 4685 | Williams, W. R. | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2013 |
| 4686 | Williford Energy Company | Tulsa, OK 74135 | Oil & Gas Operator | Jul 2025 |
| 4687 | Willis Energy | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2009 |
| 4688 | Wilson Charles B | | Oil & Gas Operator | Dec 1996 |
| 4689 | Wilson County Holdings LLC | Golden, CO 80403 | Oil Operator | Mar 2025 |
| 4690 | Wilson Oil Compa | | Oil Operator | Dec 1986 |
| 4691 | Wilson Oil Properties, LLC | Winfield, KS 67156 | Oil Operator | Nov 2009 |
| 4692 | Wilson Operating Company LLC | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2025 |
| 4693 | Wilson Richard A | | Oil Operator | Dec 2009 |
| 4694 | Wilson Robert P | | Gas Operator | Dec 1996 |
| 4695 | Wilton Petroleum, Inc. | Canton, KS 67428 | Oil & Gas Operator | Mar 2025 |
| 4696 | Wimsett Kenneth | | Oil Operator | Apr 1989 |
| 4697 | Win Oil Company | Russell, KS 67665 | Oil & Gas Operator | Jul 2021 |
| 4698 | Winco Of Kansas | Kechi, KS 67067 | Oil Operator | Aug 1982 |
| 4699 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Mar 2025 |
| 4700 | Wind River Oil & Gas, Inc. | Jackson, WY 83002 | Oil Operator | Aug 2000 |