| 3801 | Schippers Oilfield Services, LLC | Hoxie, KS 67740 | Oil Operator | Feb 2026 |
| 3802 | Schlobohm Starr | | Oil Operator | Dec 1996 |
| 3803 | Schlobohm, Starr F. | Wolfeboro, NH 03894 | Oil Operator | Jul 2004 |
| 3804 | Schlotterbeck Ir | | Oil Operator | Nov 1990 |
| 3805 | Schmeid Ranch, LLC | Hays, KS 67601 | Oil Operator | Jun 2024 |
| 3806 | Schmidt Construction Services LLC | | Oil Operator | Feb 2026 |
| 3807 | Schmidt Kermit O | | Oil & Gas Operator | Sep 1995 |
| 3808 | Schmidt, Kermit | | Oil & Gas Operator | Dec 2009 |
| 3809 | Schmidt, Terry D. | McPherson, KS 67460 | Oil Operator | Dec 2019 |
| 3810 | Schmidt, Tracy | McPherson, KS 67460 | Oil Operator | Feb 2026 |
| 3811 | Schmitt Carmen I | | Oil Operator | Dec 1996 |
| 3812 | Schneider Oil Co | | Oil Operator | Oct 1988 |
| 3813 | Schneltz Oil Com | | Oil Operator | May 1992 |
| 3814 | School Creek Corporation | Winfield, KS 67156 | Oil Operator | Jan 2000 |
| 3815 | Schreiber Oil Co. | | Oil Operator | Dec 2009 |
| 3816 | Schuetz, Edna, Ed & Ronald(Deceased) | Coffeyville, KS 67337 | Oil Operator | Nov 2011 |
| 3817 | Schulein Company LLC | Denver, CO 80246 | Oil & Gas Operator | Feb 2026 |
| 3818 | Schulein Robert | | Oil & Gas Operator | Dec 1995 |
| 3819 | Schulte Oil | Garnett, KS 66032 | Oil Operator | Mar 2022 |
| 3820 | Schulte Oil - C | | Oil Operator | Dec 1989 |
| 3821 | Schulz Oil & Gas, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2024 |
| 3822 | Schulz Roger A | | Oil & Gas Operator | Dec 1996 |
| 3823 | Schwertfeger, Donald E. Oil | Preston, KS 67569 | Oil Operator | Jan 1999 |
| 3824 | Schwien Tank & Lease Service Inc | Bazine, KS 67516 | Oil Operator | May 2000 |
| 3825 | Scimitar Resc Li | | Oil Operator | Oct 1982 |
| 3826 | Scott Services LLC | Plainville, KS 67663 | Oil Operator | Feb 2026 |
| 3827 | Scott Works LLC | | Oil Operator | Jan 2026 |
| 3828 | Scott'S Production, LLC | Roxbury, KS 67476 | Oil Operator | Feb 2026 |
| 3829 | Scott'S Well Service Inc | Roxbury, KS 67476 | Oil Operator | Nov 2012 |
| 3830 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Jun 2026 |
| 3831 | SCZ Resources, LLC | Houston, TX 77055 | Oil Operator | Feb 2026 |
| 3832 | Sdoco, LLC | Highlands Ranch, CO 80129 | Oil Operator | Dec 2025 |
| 3833 | Seagull Operatin | | Oil & Gas Operator | Jul 1995 |
| 3834 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2025 |
| 3835 | Secure Exploration And Production, LLC | | Oil Operator | Jan 2026 |
| 3836 | Sedona Oil & Gas Corporation | Dallas, TX 75231 | Oil & Gas Operator | Jun 2026 |
| 3837 | See Oil | | Oil Operator | Feb 2026 |
| 3838 | Seed Group/Aa Drilling | | Oil Operator | Oct 2009 |
| 3839 | Seeker, LLC | Newkirk, OK 74647 | Oil & Gas Operator | Nov 2019 |
| 3840 | Seelig Oil Corpo | | Oil Operator | Apr 1985 |
| 3841 | Seewald, Hughes | Amarillo, TX 79105 | Gas Operator | Jan 1997 |
| 3842 | Seibert Oil, LLC | Macksville, KS 67557 | Oil & Gas Operator | Jul 2025 |
| 3843 | Sek Energy, LLC | Benedict, KS 66714 | Oil & Gas Operator | Feb 2026 |
| 3844 | Sek Oil Incorpor | | Oil Operator | Jun 1985 |
| 3845 | Sensor Oil & Gas, Inc. | Duncan, OK 73534 | Oil & Gas Operator | May 2013 |
| 3846 | Sentinel Petroleum Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2020 |
| 3847 | Serendipity Production Company LC | Guthrie, OK 73044 | Oil & Gas Operator | Apr 2020 |
| 3848 | Servco Productio | | Oil Operator | Dec 1992 |
| 3849 | Service Drilling Co., L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2003 |
| 3850 | Ses Oil | | Oil Operator | Jun 2004 |
| 3851 | Seydell, E. Morris | Wichita Falls, TX 76307 | Oil Operator | Feb 1993 |
| 3852 | Seymour Oil Co Inc | Edmond, OK 73025 | Oil & Gas Operator | Jul 2011 |
| 3853 | SH Oil Operations LLC | Wichita, KS 67277 | Oil & Gas Operator | Feb 2026 |
| 3854 | Shade Tree Oil C | | Oil Operator | Oct 1987 |
| 3855 | Shaffer Oil Co., Inc. | Burlington, KS 66839 | Oil & Gas Operator | Jul 2001 |
| 3856 | Shaffer Oil Leas | | Oil Operator | May 1993 |
| 3857 | Shaida, John H. | Wichita, KS 67226 | Oil & Gas Operator | Jun 2026 |
| 3858 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Mar 2026 |
| 3859 | Sharon Resources | | Oil Operator | Sep 1995 |
| 3860 | Sharon Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2010 |
| 3861 | Sharp Engineerin | | Oil Operator | Aug 1995 |
| 3862 | Sharp, Harry D. | Leawood, KS 66209 | Oil Operator | May 1997 |
| 3863 | Sharp, Robert L. &/Or Cindy | | Oil Operator | Nov 2019 |
| 3864 | Shaw George R | | Oil & Gas Operator | Mar 1992 |
| 3865 | Shaw Robert Lesl | | Oil Operator | Oct 1989 |
| 3866 | Shaw, George R. (Deceased) | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 3867 | Shawmar Oil & Gas Co., Inc. | Sunnyvale, TX 75182 | Oil & Gas Operator | Dec 2023 |
| 3868 | Shawmar Oil Comp | | Oil & Gas Operator | Feb 1995 |
| 3869 | Shawnee Investment Company, Inc. | Council Grove, KS 66846 | Oil Operator | Apr 2002 |
| 3870 | Shearhart, Gary L. | Havana, KS 67347 | Oil Operator | Oct 2001 |
| 3871 | Sheedy Energy Production Company | | Oil Operator | Feb 2026 |
| 3872 | Sheel Oil Compan | | Oil Operator | Jan 1985 |
| 3873 | Sheffler Industries | Phoenix, AZ 85013 | Oil Operator | Aug 1999 |
| 3874 | Shelby Resources LLC | Denver, CO 80207 | Oil & Gas Operator | Feb 2026 |
| 3875 | Sheldon Brothers Agency | Salina, KS 67402 | Oil Operator | May 1998 |
| 3876 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 3877 | Shelley, Randall D. | Wichita, KS 67202 | Oil Operator | Feb 2026 |
| 3878 | Shelton, Robert | Lacygne, KS 66040 | Oil Operator | Sep 2025 |
| 3879 | Shepler & Thomas | | Oil & Gas Operator | Oct 1992 |
| 3880 | Shepler & Thomas, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Feb 2026 |
| 3881 | Sher-Lon Corpora | | Oil Operator | Apr 1994 |
| 3882 | Sheri-Di Product | | Oil Operator | Apr 1994 |
| 3883 | Shields Oil Prod | | Oil & Gas Operator | Aug 1995 |
| 3884 | Shields Oil Producers Inc. | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 3885 | Sho-Bar Energy I | | Oil & Gas Operator | Jan 1991 |
| 3886 | Sho-Bar Energy Inc | Harper, KS 67058 | Oil & Gas Operator | Feb 2026 |
| 3887 | Shoreline Energy Partners, LLC | Chandler, AZ 85249 | Oil Operator | May 2011 |
| 3888 | Shoreline Operating LLC | Oklahoma City, OK 73113 | Oil & Gas Operator | Mar 2026 |
| 3889 | Short W D Oil Co | | Oil Operator | Mar 1996 |
| 3890 | Shorts Production LLC | Havana, KS 67347 | Oil Operator | Feb 2026 |
| 3891 | Shouse, Micheal C. | Liberty, MO 64068 | Oil & Gas Operator | Jan 1996 |
| 3892 | Shultz, Melvin W. | Parsons, KS 67357 | Oil Operator | Nov 1995 |
| 3893 | Sidwell Oil & Ga | | Oil & Gas Operator | May 1993 |
| 3894 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
| 3895 | Sieg Energy, Inc. | Ottawa, KS 66067 | Oil Operator | Nov 2025 |
| 3896 | Siegfried R H In | | Oil Operator | Apr 1985 |
| 3897 | Siemsen Operating, LLC | Holyrood, KS 67450 | Oil Operator | Feb 2026 |
| 3898 | Sierra Drilling | | Oil Operator | Sep 1988 |
| 3899 | Sierra Madre LLC | Greensburg, KS 67054 | Oil & Gas Operator | May 2015 |
| 3900 | Sierra Petroleum | | Oil & Gas Operator | Sep 1986 |