| 4801 | Westmore Drilling Company, Inc. | Lawrence, KS 66047 | Oil & Gas Operator | Dec 2019 |
| 4802 | Weston Management & Operations Group | Centreville, MD 21617 | Oil Operator | May 1997 |
| 4803 | Westport Oil And Gas Company Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2002 |
| 4804 | Westport Oil Com | | Oil Operator | Feb 1994 |
| 4805 | Westport Petrole | | Oil Operator | Feb 1985 |
| 4806 | Weststar Resourc | | Oil Operator | Sep 1992 |
| 4807 | WGP-KHC, LLC | Houston, TX 77002 | Oil Operator | May 2017 |
| 4808 | Wheatbelt Invest | | Oil Operator | Mar 1991 |
| 4809 | Wheatland Oil & | | Oil & Gas Operator | Aug 1984 |
| 4810 | Wheatland Oil & Gas, Inc. | Wichita, KS 67202 | Gas Operator | Jul 1997 |
| 4811 | Wheeler Oil Company | Sperry, OK 74073-9417 | Oil & Gas Operator | Sep 2025 |
| 4812 | Whitaker Companies, Inc. | Humboldt, KS 66748 | Oil & Gas Operator | Apr 2025 |
| 4813 | Whitaker Enterpr | | Oil Operator | Oct 1992 |
| 4814 | Whitaker Harold | | Oil Operator | Aug 1990 |
| 4815 | Whitco Petroleum, LP | Leoti, KS 67861 | Oil & Gas Operator | Sep 2025 |
| 4816 | White & Ellis DR | | Oil & Gas Operator | Aug 1995 |
| 4817 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Sep 2025 |
| 4818 | White Eagle Reso | | Oil Operator | Dec 1996 |
| 4819 | White Eagle Resources Corp. | Taos, NM 87571 | Oil & Gas Operator | Jun 2016 |
| 4820 | White Exploration Inc | Wichita, KS 67278 | Oil & Gas Operator | Sep 2025 |
| 4821 | White Gas & Oil | Mesa, AZ 85210 | Oil Operator | Oct 2006 |
| 4822 | White Hawk Oil C | | Oil & Gas Operator | Sep 1995 |
| 4823 | White Hawk Oil Company, A General Partnership | Tulsa, OK 74101 | Oil Operator | Sep 2025 |
| 4824 | White Hawk Oil Company, LLP | Tulsa, OK 74103 | Oil Operator | Sep 2025 |
| 4825 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 4826 | White Oilfield S | | Oil & Gas Operator | Jan 1990 |
| 4827 | White Pine Petro | | Oil Operator | Mar 1985 |
| 4828 | White Pine Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Dec 2019 |
| 4829 | White Rock Oil LLC | De Soto, KS 66018 | Oil Operator | May 2012 |
| 4830 | White, Edgar W. | Elkhart, KS 67950 | Gas Operator | Dec 2015 |
| 4831 | White, Kenneth S. | Wichita, KS 67220 | Oil & Gas Operator | Sep 2022 |
| 4832 | White, Robert F. | Wichita, KS 67220 | Oil & Gas Operator | Feb 2007 |
| 4833 | Whitehall Energy Corp. | Houston, TX 77095 | Gas Operator | Apr 2010 |
| 4834 | Whiteman Industries Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | May 2025 |
| 4835 | Whitetail Crude | | Oil Operator | Nov 1996 |
| 4836 | Whitetail Crude Inc | Ness City, KS 67560 | Oil & Gas Operator | Sep 2025 |
| 4837 | Whitlow Energy, Inc. | Spring Hill, KS 66083 | Oil & Gas Operator | Sep 2025 |
| 4838 | Wichita Industri | | Oil Operator | Nov 1987 |
| 4839 | Wick'S Petroleum | | Oil Operator | Aug 1983 |
| 4840 | Widener, A.C. Farms, Inc. | Hudson, KS 67545 | Oil Operator | Dec 2009 |
| 4841 | Widrig Donald N | | Oil Operator | May 1988 |
| 4842 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Sep 2025 |
| 4843 | Widrig, Don | Leawood, KS 66209 | Oil Operator | Jul 2008 |
| 4844 | Wiedemann K T TR | | Oil Operator | Jul 1992 |
| 4845 | Wiesner, Roman L. | Ellis, KS 67637 | Oil Operator | Dec 1993 |
| 4846 | Wiesner, Tom Oil Operations | Hays, KS 67601 | Gas Operator | Sep 2025 |
| 4847 | Wil-Max Co. | Kingman, KS 67068 | Oil Operator | Jul 2001 |
| 4848 | Wilcox Oil, LLC | Wichita, KS 67235 | Oil Operator | Dec 2019 |
| 4849 | Wildcat Energy, Inc. | Sedan, KS 67361 | Oil Operator | Feb 2001 |
| 4850 | Wildcat Oil & Gas LLC | Seneca, KS 66538 | Oil & Gas Operator | Sep 2025 |
| 4851 | Wildcat Resc Inc | | Oil & Gas Operator | Nov 1992 |
| 4852 | Wildcat Resources | | Oil & Gas Operator | Jun 2016 |
| 4853 | Wildfire Oil & Gas Inc | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 4854 | Wildhorse Oil | Bogue, KS 67625 | Oil Operator | Oct 1994 |
| 4855 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Feb 2026 |
| 4856 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 4857 | Wiley R. Ash, Jr. | | Oil & Gas Operator | Jun 1983 |
| 4858 | Wilkinson Drilli | | Oil Operator | Dec 1991 |
| 4859 | William G Smith Oil, LLC | Osawatomie, KS 66064 | Oil Operator | Apr 2014 |
| 4860 | Williams Gas Pipeline Central, Inc. | Shawnee Mission, KS 66215 | Oil Operator | Sep 2010 |
| 4861 | Williams Gerald | | Oil & Gas Operator | Apr 1989 |
| 4862 | Williams Oil Company | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 4863 | Williams Production RMT Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2010 |
| 4864 | Williams Robert | | Oil & Gas Operator | Apr 1995 |
| 4865 | Williams, E. L. | Emporia, KS 66801 | Oil & Gas Operator | Nov 1988 |
| 4866 | Williams, M. A. | Houston, TX 77263 | Gas Operator | Feb 2025 |
| 4867 | Williams, Paul H. | Plainville, KS 67663 | Oil Operator | Mar 1987 |
| 4868 | Williams, Paul M. And/Or Judy A. | Leroy, KS 66857 | Oil Operator | Nov 2018 |
| 4869 | Williams, Raymond H.(Deceased) | Sedan, KS 67361 | Oil Operator | Nov 2009 |
| 4870 | Williams, Robert J. | Independence, KS 67301 | Oil Operator | May 2019 |
| 4871 | Williams, W. R. | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2013 |
| 4872 | Williford Energy | | Gas Operator | Jun 1986 |
| 4873 | Williford Energy Company | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2026 |
| 4874 | Willis Energy | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2009 |
| 4875 | Wilson Charles B | | Oil & Gas Operator | Dec 1996 |
| 4876 | Wilson County Holdings LLC | Golden, CO 80403 | Oil Operator | Sep 2025 |
| 4877 | Wilson Drilling | | Oil & Gas Operator | Apr 1994 |
| 4878 | Wilson Oil Compa | | Oil Operator | Dec 1986 |
| 4879 | Wilson Oil Properties, LLC | Winfield, KS 67156 | Oil Operator | Nov 2009 |
| 4880 | Wilson Operating Company LLC | Tulsa, OK 74105 | Oil & Gas Operator | Feb 2026 |
| 4881 | Wilson Richard A | | Oil Operator | Dec 2009 |
| 4882 | Wilson Robert P | | Gas Operator | Dec 1996 |
| 4883 | Wilton Petroleum | | Oil & Gas Operator | Jun 1985 |
| 4884 | Wilton Petroleum, Inc. | Canton, KS 67428 | Oil & Gas Operator | Sep 2025 |
| 4885 | Wimsett Kenneth | | Oil Operator | Apr 1989 |
| 4886 | Win Oil Company | Russell, KS 67665 | Oil & Gas Operator | Jul 2021 |
| 4887 | Winco Of Kansas | Kechi, KS 67067 | Oil Operator | Aug 1982 |
| 4888 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Sep 2025 |
| 4889 | Wind River Oil & Gas, Inc. | Jackson, WY 83002 | Oil Operator | Aug 2000 |
| 4890 | Winder Oil Company | | Oil Operator | Jun 2025 |
| 4891 | Windgate Oil Com | | Oil Operator | Jul 1985 |
| 4892 | Windler-Doudna, A General Partnership | | Oil Operator | Sep 2000 |
| 4893 | Wineland Oil - LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 4894 | Winona Oil & Gas | | Oil & Gas Operator | Sep 1996 |
| 4895 | Winterscheid Oil, LLC | Olpe, KS 66865 | Oil Operator | Dec 2019 |
| 4896 | Wintershall Oil | | Oil Operator | Sep 1985 |
| 4897 | Wirtz Oil, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | Sep 2025 |
| 4898 | Wise, Rodney J. | Anna, OH 45302 | Oil Operator | Jul 2011 |
| 4899 | Witcraft, Jimmy D. | Pawhuska, OK 74056 | Oil & Gas Operator | Jun 1987 |
| 4900 | Withers, Lawrence | Copeland, KS 67837 | Gas Operator | Nov 1996 |