| 9801 | Schkade Bros. Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Oct 2021 |
| 9802 | Schkade Exploration | San Angelo, TX 76901 | Oil & Gas Operator | Apr 2026 |
| 9803 | Schkade Production Co. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2020 |
| 9804 | Schkade, Carl E. | Albany, TX 76430 | Oil & Gas Operator | Sep 2009 |
| 9805 | Schkade, Harold | Albany, TX 76430 | Oil & Gas Operator | Aug 2024 |
| 9806 | Schkade, Louis | Albany, TX 76430 | Oil & Gas Operator | Mar 2008 |
| 9807 | Schlachter Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Apr 2026 |
| 9808 | Schlachter, David A. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2015 |
| 9809 | Schlachter, David A., Estate Of | Dallas, TX 75225 | Oil & Gas Operator | Jan 2000 |
| 9810 | Schlagal, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2016 |
| 9811 | Schlittler, Willard | Bryson, TX 76427 | Oil & Gas Operator | Apr 2026 |
| 9812 | Schmid Properties, Inc. | Hico, TX 76457 | Oil & Gas Operator | Apr 2026 |
| 9813 | Schneider, Ernest | Rockdale, TX 76567 | Oil & Gas Operator | Dec 2014 |
| 9814 | Schreiber, Lloyd | Scotland, TX 76379 | Oil & Gas Operator | Dec 2000 |
| 9815 | Schroeder Oil Properties | Graham, TX 76450 | Oil & Gas Operator | Jul 2022 |
| 9816 | Schwab City Resources | Leggett, TX 77350 | Oil & Gas Operator | Aug 2013 |
| 9817 | Scoggins Oil & Gas Co. | Seabrook, TX 77586 | Oil & Gas Operator | Jun 2000 |
| 9818 | Scope Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2003 |
| 9819 | Scorpion Oil & Gas, LLC | Houston, TX 77036 | Oil & Gas Operator | May 2025 |
| 9820 | Scorpion Operating, Inc. | Benavides, TX 78341 | Oil Operator | Apr 2026 |
| 9821 | Scott Oil Company | Corsicana, TX 75110 | Oil & Gas Operator | Apr 2011 |
| 9822 | Scott Operating, Inc. | Albany, TX 76430 | Oil & Gas Operator | Apr 2026 |
| 9823 | Scott Petroleum, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 1995 |
| 9824 | Scott, Stephen | Olney, TX 76374 | Oil Operator | Oct 2011 |
| 9825 | Scott, Steve Engineering | Midland, TX 79710 | Oil & Gas Operator | Apr 2005 |
| 9826 | Scout Energy LTD Liability Co | Inez, TX 77968 | Oil & Gas Operator | Apr 2026 |
| 9827 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2026 |
| 9828 | Scranton Exploration | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 9829 | Scribner, Jeff | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2004 |
| 9830 | Scroggins, Bruce E. | Gilmer, TX 75645 | Oil & Gas Operator | Aug 2004 |
| 9831 | SCS Newton Oil LLC | Perryton, TX 79070 | Oil & Gas Operator | Apr 2026 |
| 9832 | Scully And Smith Oil Corporation | Salado, TX 76571 | Oil & Gas Operator | Feb 1995 |
| 9833 | Scully Energy Corporation | Salado, TX 76571 | Oil & Gas Operator | Mar 2012 |
| 9834 | Scythian, LTD. | Midland, TX 79701 | Oil & Gas Operator | Dec 2020 |
| 9835 | SD Royale Energy, Inc. | San Diego, CA 92159 | Oil & Gas Operator | Apr 2026 |
| 9836 | SDB Oil & Gas, LLC | Pasadena, TX 77502 | Oil Operator | Apr 2026 |
| 9837 | SDG Operating Company, Inc | Tyler, TX 75701 | Oil & Gas Operator | Apr 2026 |
| 9838 | SDG Resources L.P. | Montrose, CO 81402 | Oil & Gas Operator | May 2006 |
| 9839 | SDG Services LLC | Kilgore, TX 75663 | Oil Operator | Sep 2025 |
| 9840 | SDMB Resources LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 9841 | SDX Resources, Inc. | Midland, TX 79704 | Oil & Gas Operator | Apr 2026 |
| 9842 | Se USA Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 9843 | Sea Eagle Ford, LLC | Denver, CO 80265 | Oil & Gas Operator | Jun 2022 |
| 9844 | Sea Sand Oil Company | Fort Worth, TX 76185 | Oil & Gas Operator | Jun 1995 |
| 9845 | Seaboard Oil Company | Midland, TX 79710 | Oil & Gas Operator | Mar 2008 |
| 9846 | Seaboard Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 9847 | Seabreeze Production Co | Hungerford, TX 77448 | Oil & Gas Operator | Apr 2026 |
| 9848 | Seaco Production | Dripping SPGS, TX 78620 | Oil & Gas Operator | Feb 2016 |
| 9849 | Seago Operating Co., L.L.C. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2011 |
| 9850 | Seago Petroleum, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2026 |
| 9851 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
| 9852 | Seagull Mid-South Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 9853 | Seagull Midcon Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 9854 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2025 |
| 9855 | Seahawk Oil & Gas Company | Dallas, TX 75379 | Oil & Gas Operator | Aug 2007 |
| 9856 | Seal Exploration, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Dec 2006 |
| 9857 | Seale, Don R. | Electra, TX 76360 | Oil & Gas Operator | Apr 2026 |
| 9858 | Seanard Energy Company | Baton Rouge, LA 70808 | Oil & Gas Operator | Jul 2002 |
| 9859 | Searchers Exploration | Brenham, TX 77833 | Oil Operator | Apr 2026 |
| 9860 | Seashore Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Apr 2026 |
| 9861 | Seattle'S Best Consulting LLC | Austin, TX 78731 | Oil & Gas Operator | Apr 2026 |
| 9862 | Seay Exploration, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 9863 | Seay Oil & Gas, LTD. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Apr 2013 |
| 9864 | Seco Petroleum Corp | Houston, TX 77290 | Oil & Gas Operator | Jan 1997 |
| 9865 | Seco Production Company | Midland, TX 79708 | Oil & Gas Operator | Aug 2003 |
| 9866 | Secondary Gas Recovery Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 1993 |
| 9867 | Secondary Oil Corp., Inc. | Austin, TX 78750 | Oil Operator | Apr 1999 |
| 9868 | Sed Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 9869 | Sedco Resources Inc | Kerrville, TX 78029 | Oil & Gas Operator | Apr 2026 |
| 9870 | Sedona Oil & Gas Corporation | Dallas, TX 75231 | Oil & Gas Operator | Apr 2026 |
| 9871 | Seek Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2026 |
| 9872 | Seeker Oil Company II, Inc. | San Antonio, TX 78209 | Oil Operator | Jan 2016 |
| 9873 | Seeker Oil Company, Incorporated | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2026 |
| 9874 | Seel-Mac Oil & Gas LLC | Richardson, TX 75080 | Oil Operator | Jul 2011 |
| 9875 | Seely Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2026 |
| 9876 | Seelye, William L. | Plano, TX 75024 | Oil & Gas Operator | Oct 2005 |
| 9877 | Segler, Charles | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 9878 | Segrest-Ward Joint Venture | Longview, TX 75606 | Oil & Gas Operator | Jun 2001 |
| 9879 | Seguin Pump | Seguin, TX 78155 | Oil & Gas Operator | Sep 2017 |
| 9880 | Seguro Oil And Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2024 |
| 9881 | Seguro Well Service, Inc. | Gonzales, TX 78629 | Oil & Gas Operator | Apr 2026 |
| 9882 | Sei Operating, LLC | Mandeville, LA 70471 | Oil & Gas Operator | Apr 2026 |
| 9883 | Seidler Oil & Gas Operating, LLC | Alvarado, TX 76009 | Oil & Gas Operator | Apr 2026 |
| 9884 | Seiguf Oil Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2026 |
| 9885 | Seiran E & P Company, LLC | Friendswood, TX 77546 | Oil & Gas Operator | Apr 2026 |
| 9886 | Seisgen Exploration, Inc | Houston, TX 77024 | Gas Operator | Aug 2005 |
| 9887 | Seisma Drilling Corporation | Wichita Falls, TX 76301 | Oil Operator | Aug 2003 |
| 9888 | Seismic Investment Group, Inc. | Houston, TX 77055 | Oil & Gas Operator | Jun 2008 |
| 9889 | Seismic Leasing Service | Denver, CO 80216 | Oil & Gas Operator | Aug 2000 |
| 9890 | Seismotech Energy, Incorporated | Plano, TX 75075 | Oil & Gas Operator | Aug 2003 |
| 9891 | Seistech Development, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2007 |
| 9892 | Seitz, Comegys & Seitz | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 1994 |
| 9893 | Seitz, J. R. & Adam | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2008 |
| 9894 | Seitz, J. R. & Adam, LTD. | Wichita Falls, TX 76307 | Oil Operator | Apr 2026 |
| 9895 | Select Water Solutions, LLC | Gainesville, TX 76240 | Oil Operator | Jan 2026 |
| 9896 | Self Brothers | Montague, TX 76251 | Oil & Gas Operator | Apr 2026 |
| 9897 | Self, Charles D. | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2016 |
| 9898 | Self, Charles Lynn | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2026 |
| 9899 | Sellers Lease Service, Inc. | Flatonia, TX 78941 | Oil & Gas Operator | Apr 2026 |
| 9900 | Sellers' Lease Service | Flatonia, TX 78941 | Oil & Gas Operator | Jul 1994 |