| 4401 | WD Oil Company I | | Oil Operator | Apr 1986 |
| 4402 | Webco Oil Compan | | Oil Operator | Sep 1989 |
| 4403 | Webco Oil Company, Inc. | Hoisington, KS 67544 | Oil Operator | Dec 2023 |
| 4404 | Weber Four Oil Co., Inc. | Hoisington, KS 67544 | Oil Operator | Nov 2023 |
| 4405 | Webster Oil LLC | Leon, KS 67074 | Oil Operator | Dec 2023 |
| 4406 | Wedel, Darold | Canton, KS 67428 | Oil Operator | Apr 2002 |
| 4407 | Weeks, VIrginia | Hoisington, KS 67544 | Oil Operator | Mar 2002 |
| 4408 | Wehmeyer, Gerald | Independence, KS 67301 | Oil Operator | Oct 2023 |
| 4409 | Weigel Oil Company, LLC | Gorham, KS 67640 | Oil Operator | Dec 2023 |
| 4410 | Weigel V Francis | | Oil Operator | Mar 1994 |
| 4411 | Weigel, V. Francis - Family Partnership | Gorham, KS 67640 | Oil Operator | Jul 2004 |
| 4412 | Weilert Enterpri | | Oil Operator | Sep 1988 |
| 4413 | Weilert Michael | | Oil Operator | Oct 1993 |
| 4414 | Weilert, S.R. | Wichita, KS 67216 | Oil Operator | Oct 1998 |
| 4415 | Weinkauf Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
| 4416 | Well Tech Oil And Gas, Inc. | Wichita, KS 67206 | Oil Operator | Sep 2020 |
| 4417 | Wells Energy Com | | Oil & Gas Operator | Mar 1994 |
| 4418 | Wells Oil, LLC | Gridley, KS 66852 | Oil Operator | Dec 2023 |
| 4419 | Wells-Battelstei | | Oil & Gas Operator | Mar 1993 |
| 4420 | Wellstar Corporation | Northglenn, CO 80233 | Oil & Gas Operator | Feb 2024 |
| 4421 | Wellsville Oil C | | Oil Operator | Dec 1996 |
| 4422 | Wellsville Oil Co | Wellsville, KS 66092 | Oil Operator | Sep 2000 |
| 4423 | Wellwin Drilling Corporation | Wellington, KS 67152 | Oil & Gas Operator | Dec 2023 |
| 4424 | Wenert Trich Oil | | Oil & Gas Operator | Jul 1990 |
| 4425 | Werth Exploration Trust | | Oil Operator | Dec 2013 |
| 4426 | West 40 Production | Ness City, KS 67560 | Oil Operator | Apr 1998 |
| 4427 | West Kansas Oil | | Oil Operator | Jul 1992 |
| 4428 | West Kansas Oil Corporation | Oberlin, KS 67749 | Oil Operator | Aug 1998 |
| 4429 | West Plains Enterprises, Inc | Plains, KS 67869 | Oil & Gas Operator | Sep 2022 |
| 4430 | West Sunset Disposal, LLC | Amarillo, TX 79159 | Oil Operator | Oct 2003 |
| 4431 | West X, Inc. | Hays, KS 67601 | Oil Operator | Aug 1997 |
| 4432 | Westech Energy C | | Oil & Gas Operator | Dec 1996 |
| 4433 | Western Frontier Adventure, LLC | Easton, KS 66020 | Oil Operator | Dec 2019 |
| 4434 | Western Fuel & S | | Oil Operator | Oct 1987 |
| 4435 | Western Kansas E | | Oil Operator | Aug 1993 |
| 4436 | Western Oil & Gas Development Co. | Robinson, IL 62454 | Oil Operator | Jun 2000 |
| 4437 | Western Oil Comp | | Oil Operator | Aug 1989 |
| 4438 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | Jan 2024 |
| 4439 | Western Pacific Farms, Inc. | Copeland, KS 67837 | Oil & Gas Operator | Apr 2020 |
| 4440 | Western Properti | | Oil Operator | Oct 1987 |
| 4441 | Westgate Oil Com | | Oil Operator | Mar 1993 |
| 4442 | Westgate Oil Company, Inc. | Eureka, KS 67045 | Oil Operator | Feb 2024 |
| 4443 | Westlake Energy Consultants, Inc. | Westlake VIllage, CA 91362 | Gas Operator | Dec 2019 |
| 4444 | Westmore Drillin | | Oil & Gas Operator | Oct 1995 |
| 4445 | Westmore Drilling Company, Inc. | Lawrence, KS 66047 | Oil & Gas Operator | Dec 2019 |
| 4446 | Weston Management & Operations Group | Centreville, MD 21617 | Oil Operator | May 1997 |
| 4447 | Westport Oil And Gas Company Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2002 |
| 4448 | Westport Oil Com | | Oil Operator | Feb 1994 |
| 4449 | Westport Petrole | | Oil Operator | Feb 1985 |
| 4450 | Weststar Resourc | | Oil Operator | Sep 1992 |
| 4451 | WGP-KHC, LLC | Houston, TX 77002 | Oil Operator | May 2017 |
| 4452 | Wheatbelt Invest | | Oil Operator | Mar 1991 |
| 4453 | Wheatland Oil & | | Oil & Gas Operator | Aug 1984 |
| 4454 | Wheeler Oil Company | Sperry, OK 74073-9417 | Oil & Gas Operator | Sep 2023 |
| 4455 | Whitaker Companies, Inc. | Humboldt, KS 66748 | Oil & Gas Operator | Aug 2023 |
| 4456 | Whitaker Enterpr | | Oil Operator | Oct 1992 |
| 4457 | Whitaker Harold | | Oil Operator | Aug 1990 |
| 4458 | Whitco Petroleum, LP | Leoti, KS 67861 | Oil & Gas Operator | Dec 2023 |
| 4459 | White & Ellis DR | | Oil & Gas Operator | Aug 1995 |
| 4460 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2023 |
| 4461 | White Eagle Reso | | Oil Operator | Dec 1996 |
| 4462 | White Eagle Resources Corp. | Taos, NM 87571 | Oil & Gas Operator | Jun 2016 |
| 4463 | White Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Dec 2023 |
| 4464 | White Gas & Oil | Mesa, AZ 85210 | Oil Operator | Oct 2006 |
| 4465 | White Hawk Oil C | | Oil & Gas Operator | Sep 1995 |
| 4466 | White Hawk Oil Company, A General Partnership | Tulsa, OK 74101 | Oil Operator | Dec 2023 |
| 4467 | White Hawk Oil Company, LLP | Tulsa, OK 74103 | Oil Operator | Dec 2023 |
| 4468 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 4469 | White Pine Petro | | Oil Operator | Mar 1985 |
| 4470 | White Pine Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 4471 | White Rock Oil LLC | De Soto, KS 66018 | Oil Operator | May 2012 |
| 4472 | White, Edgar W. | Elkhart, KS 67950 | Gas Operator | Dec 2015 |
| 4473 | White, Kenneth S. | Wichita, KS 67220 | Oil & Gas Operator | Sep 2022 |
| 4474 | White, Robert F. | Wichita, KS 67220 | Oil & Gas Operator | Feb 2007 |
| 4475 | Whitehall Energy Corp. | Houston, TX 77095 | Gas Operator | Apr 2010 |
| 4476 | Whiteman Industries, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jan 2024 |
| 4477 | Whitetail Crude | | Oil Operator | Nov 1996 |
| 4478 | Whitetail Crude, Inc | Ness City, KS 67560 | Oil & Gas Operator | Dec 2023 |
| 4479 | Whitlow Energy, Inc. | Spring Hill, KS 66083 | Oil & Gas Operator | Dec 2023 |
| 4480 | Wichita Industri | | Oil Operator | Nov 1987 |
| 4481 | Wichita Water, LLC | Levelland, TX 79336 | Oil Operator | Jun 2015 |
| 4482 | Wick'S Petroleum | | Oil Operator | Aug 1983 |
| 4483 | Widener, A.C. Farms, Inc. | Hudson, KS 67545 | Oil Operator | Dec 2009 |
| 4484 | Widrig Donald N | | Oil Operator | May 1988 |
| 4485 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Dec 2023 |
| 4486 | Widrig, Don | Leawood, KS 66209 | Oil Operator | Jul 2008 |
| 4487 | Wiedemann K T TR | | Oil Operator | Jul 1992 |
| 4488 | Wiesner, Roman L. | Ellis, KS 67637 | Oil Operator | Dec 1993 |
| 4489 | Wiesner, Tom Oil Operations | Hays, KS 67601 | Gas Operator | Dec 2023 |
| 4490 | Wil-Max Co. | Kingman, KS 67068 | Oil Operator | Jul 2001 |
| 4491 | Wilcox Oil, LLC | Wichita, KS 67235 | Oil Operator | Dec 2019 |
| 4492 | Wildcat Energy, Inc. | Sedan, KS 67361 | Oil Operator | Feb 2001 |
| 4493 | Wildcat Oil & Gas LLC | Seneca, KS 66538 | Oil & Gas Operator | Dec 2023 |
| 4494 | Wildcat Resc Inc | | Oil & Gas Operator | Nov 1992 |
| 4495 | Wildcat Resources | | Oil & Gas Operator | Jun 2016 |
| 4496 | Wildfire Oil & Gas, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 4497 | Wildhorse Oil | Bogue, KS 67625 | Oil Operator | Oct 1994 |
| 4498 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2024 |
| 4499 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 4500 | Wilkinson Drilli | | Oil Operator | Dec 1991 |