| 3901 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2024 |
| 3902 | Spines Explorati | | Oil & Gas Operator | Dec 1990 |
| 3903 | Spiral Energy Corp. | Midland, TX 79705 | Oil & Gas Operator | Dec 2019 |
| 3904 | Spivey, William | Hays, KS 67601 | Oil Operator | Jun 1993 |
| 3905 | Splechter, Tim | Yates Center, KS 66783 | Oil Operator | Dec 2023 |
| 3906 | Spradco, Inc. | Towanda, KS 67144 | Oil Operator | Dec 2023 |
| 3907 | Spring Creek Farm And Oil, LLC | Bixby, OK 74008 | Oil Operator | Sep 2022 |
| 3908 | Spring, Harry A. | Ardmore, OK 73401 | Oil Operator | Jul 2012 |
| 3909 | Springer, Lee A. | Independence, KS 67301 | Oil Operator | May 2014 |
| 3910 | SPS, Inc. | Cheney, KS 67025 | Oil & Gas Operator | Dec 2023 |
| 3911 | Sram Oil Incorporated | Winfield, KS 67156 | Oil & Gas Operator | Aug 2005 |
| 3912 | Ssouri Oil Ventures | | Oil Operator | Jan 2022 |
| 3913 | St Petroleum, Inc. | Edgerton, KS 66021 | Oil Operator | Dec 2023 |
| 3914 | St. Johns Operating #1 L.P. | Houston, TX 77060 | Oil & Gas Operator | Aug 2023 |
| 3915 | Staab Energy & Leasing | | Oil Operator | Jan 2023 |
| 3916 | Staab Oil Co., A General Partnership | Hays, KS 67601 | Oil Operator | Dec 2023 |
| 3917 | Stack Production | Dewey, OK 74029 | Oil & Gas Operator | Mar 2002 |
| 3918 | Staghorn Resources, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 3919 | Stalcup Oil Comp | | Oil Operator | Dec 1992 |
| 3920 | Stalcup Oil Company | | Oil Operator | Oct 2009 |
| 3921 | Stallings Eugene | | Oil Operator | Jul 1994 |
| 3922 | Stallion Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2017 |
| 3923 | Standard Operating Company | Wichita, KS 67205 | Oil & Gas Operator | Dec 2023 |
| 3924 | Star Oil Company | Wichita, KS 67230 | Oil & Gas Operator | Feb 2024 |
| 3925 | Star Resources, LTD. | Wichita, KS 67202 | Oil Operator | Nov 2002 |
| 3926 | Stauffer Oil & G | | Oil Operator | Jun 1987 |
| 3927 | Stebeth Gas Production, Inc. | Beaumont, KS 67012 | Oil Operator | May 1996 |
| 3928 | Steckel Oil, LLC | Russell, KS 67665 | Oil Operator | Dec 2023 |
| 3929 | Stecklein Oil Co | | Oil Operator | Jul 1993 |
| 3930 | Stecklein Oil Company, A General Partnership | Hays, KS 67601 | Oil Operator | Sep 2023 |
| 3931 | Steffen Resource Development, LLC | Hutchinson, KS 67502 | Oil & Gas Operator | Dec 2023 |
| 3932 | Steinberger Bros., Inc. | Independence, KS 67301 | Oil Operator | Dec 2009 |
| 3933 | Steinberger Oil Company | Independence, KS 67301 | Oil & Gas Operator | May 2002 |
| 3934 | Steiner Oil And Gas | Lincolnville, KS 66858 | Oil Operator | Jan 1999 |
| 3935 | Steinforth, Loren | Yates Center, KS 66783 | Oil Operator | Sep 2014 |
| 3936 | Steinle Oil | | Oil Operator | Aug 2021 |
| 3937 | Stekoll Petroleu | | Oil Operator | Oct 1985 |
| 3938 | Stelbar Oil Corp | Wichita, KS 67206 | Oil & Gas Operator | Aug 1995 |
| 3939 | Stelbar Oil Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2023 |
| 3940 | Stepco Incorpora | | Oil Operator | Nov 1994 |
| 3941 | Stepco Oil, Inc. | Ellinwood, KS 67526 | Oil Operator | Jan 2020 |
| 3942 | Stepco, Inc. | Ellinwood, KS 67526 | Oil Operator | Feb 2005 |
| 3943 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 3944 | Stephens Oil Co. | | Oil Operator | Dec 2017 |
| 3945 | Stephenson John | | Oil Operator | Dec 1985 |
| 3946 | Stephenson L G & | | Oil Operator | Apr 1987 |
| 3947 | Sterling Drillin | | Oil & Gas Operator | Mar 1992 |
| 3948 | Sterling Drilling Company | Pratt, KS 67124 | Oil & Gas Operator | Apr 2014 |
| 3949 | Sterling Explora | | Oil & Gas Operator | Jun 1994 |
| 3950 | Sterling Exploration | Lee'S Summit, MO 64082 | Gas Operator | Nov 1997 |
| 3951 | Sterling Oil & G | | Oil Operator | May 1984 |
| 3952 | Sterling Oil Co. | Sterling, KS 67579 | Oil Operator | Feb 2000 |
| 3953 | Sterling Petrole | | Oil & Gas Operator | Sep 1992 |
| 3954 | Steve'S Oilfield | | Oil Operator | Jul 1994 |
| 3955 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 3956 | Stewart Oil Company | | Oil Operator | Jun 2009 |
| 3957 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 3958 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Dec 2023 |
| 3959 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 3960 | Stice Oil Company | | Oil Operator | Dec 2023 |
| 3961 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 3962 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 3963 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 3964 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 3965 | Stoeppelwerth DR | | Oil Operator | May 1993 |
| 3966 | Stone Oak Operating, LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2024 |
| 3967 | Stone Oil Compan | | Oil Operator | Jan 1990 |
| 3968 | Stone, D J | Palo Alto, CA 94301 | Oil & Gas Operator | Sep 1985 |
| 3969 | Stonegate Ranch LLC | Caney, KS 67333 | Oil Operator | Dec 2023 |
| 3970 | Stoskopf, Wayne | Hoisington, KS 67544 | Oil Operator | Apr 1995 |
| 3971 | Stotts-Kirkpatri | | Oil Operator | Oct 1991 |
| 3972 | Stoudt, Jean Marie | Broken Arrow, OK 74011 | Oil Operator | Jul 2023 |
| 3973 | STP Cherokee, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2014 |
| 3974 | Strabala Joseph | | Oil Operator | Jan 1992 |
| 3975 | Strait F W Incor | | Oil Operator | Jan 1992 |
| 3976 | Strat Land Exploration Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2024 |
| 3977 | Strata Energy Re | | Oil Operator | Nov 1987 |
| 3978 | Strata Exploration, Inc. | Fairfield, IL 62837 | Oil & Gas Operator | Dec 2023 |
| 3979 | Strata Oil Incor | | Oil Operator | Mar 1994 |
| 3980 | Stratakan Exploration, LLC | Plainville, KS 67663 | Oil & Gas Operator | Dec 2023 |
| 3981 | Stratex Oil & Gas Holdings, Inc. | Watertown, CT 06795 | Oil Operator | Jun 2015 |
| 3982 | Streamline Energy, LLC | Yates Center, KS 66783 | Oil & Gas Operator | Dec 2023 |
| 3983 | Striker Petroleum Corporation | Englewood, CO 80111 | Oil & Gas Operator | Dec 1999 |
| 3984 | Stripper Oil Com | | Oil Operator | Nov 1996 |
| 3985 | Stripper Oil Company Inc | | Oil Operator | Dec 2023 |
| 3986 | Stroke Of Luck Energy & Exploration LLC | Cassoday, KS 66842 | Oil Operator | Sep 2021 |
| 3987 | Stromquist C Dal | | Oil & Gas Operator | Aug 1991 |
| 3988 | Stromquist, C. Dale, A General Partnership | Liberal, KS 67901 | Oil & Gas Operator | Aug 2010 |
| 3989 | Stroud Oil Properties, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2013 |
| 3990 | Stubbs & Fleming, A General Partnership | Wichita, KS 67202 | Oil Operator | Jul 2005 |
| 3991 | Stuber, VIrgil | Eureka, KS 67045 | Oil Operator | Dec 2019 |
| 3992 | Stucky Oil Compa | | Oil Operator | Mar 1988 |
| 3993 | Stucky, Edward P. | Sabetha, KS 66534 | Oil Operator | May 1992 |
| 3994 | Stucky, Kenneth R. Oil & Gas Operations | Burrton, KS 67020 | Oil & Gas Operator | Aug 2002 |
| 3995 | Studer Oil Co. | Pratt, KS 67124 | Oil Operator | Dec 2023 |
| 3996 | Stull Oil LLC | Natoma, KS 67651 | Oil Operator | Dec 2023 |
| 3997 | Sublette Feeders LLC | Sublette, KS 67877 | Gas Operator | Dec 2023 |
| 3998 | Suemaur Expl. & Prod., LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
| 3999 | Suerte Oil & Gas LLC | Caney, KS 67333 | Oil Operator | Dec 2023 |
| 4000 | Suerte Oil Compa | | Oil & Gas Operator | Oct 1995 |