| 9901 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Feb 2026 |
| 9902 | S & S Operating | Dumas, TX 79029 | Oil Operator | Feb 2026 |
| 9903 | S & S Operating Company, Inc. | Winnie, TX 77665 | Oil & Gas Operator | Feb 2026 |
| 9904 | S & S Well Service, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 1998 |
| 9905 | S & T Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2001 |
| 9906 | S & V Operating | Zephyr, TX 76890 | Oil & Gas Operator | Feb 2026 |
| 9907 | S & W Oil & Gas, LLC | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 9908 | S & Y Production Co. | Liberty, TX 77575 | Oil & Gas Operator | Jul 1996 |
| 9909 | S And B Gauging Services, LLC | Spring, TX 77386 | Oil Operator | Feb 2026 |
| 9910 | S M K Energy Corporation | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Feb 2026 |
| 9911 | S N D Energy Company, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Feb 2026 |
| 9912 | S&G Oil LLC | Wichita Falls, TX 76309 | Oil & Gas Operator | Feb 2026 |
| 9913 | S&JB, LLC | Rockdale, TX 76567 | Oil & Gas Operator | Feb 2026 |
| 9914 | S&S Heidrich | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2017 |
| 9915 | S. A. Oil Account | Borger, TX 79008 | Oil & Gas Operator | Dec 1997 |
| 9916 | S. M. A. Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1997 |
| 9917 | S. P. Penntex Energy, L.P. | Abilene, TX 79605 | Oil & Gas Operator | May 2003 |
| 9918 | S. P. Y. Oil Co. | Batson, TX 77519 | Oil & Gas Operator | Mar 2002 |
| 9919 | S.B. Street Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 9920 | S.E.D.I. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2015 |
| 9921 | S.O.C. Investors, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 9922 | S.U.E. Company | Abilene, TX 79604 | Oil Operator | Jan 1998 |
| 9923 | S2 Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 9924 | S2 Oil, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Feb 2026 |
| 9925 | S2 Oil, LLC (1) | Albany, TX 76430 | Oil Operator | Feb 2026 |
| 9926 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
| 9927 | Sabalo Exploration Operating,LLC | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Jan 2021 |
| 9928 | Sabalo II Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Feb 2026 |
| 9929 | Sabalo Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Jun 2021 |
| 9930 | Sabco Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2011 |
| 9931 | Sabco Operating Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2018 |
| 9932 | Saber Oil & Gas Ventures, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 9933 | Saber Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2008 |
| 9934 | Sabinal Energy Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2025 |
| 9935 | Sabinal Resources, Inc. | Kingwood, TX 77339 | Oil & Gas Operator | Feb 2026 |
| 9936 | Sabine Corporation | Oklahoma City, OK 73116 | Oil & Gas Operator | Jul 1996 |
| 9937 | Sabine Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 9938 | Sabine Oil & Gas LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2017 |
| 9939 | Sabine Pipe & Supply Co. | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2004 |
| 9940 | Sabine Pipe, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 9941 | Sabine Syndicate No. 1 | Longview, TX 75606 | Oil & Gas Operator | Feb 2026 |
| 9942 | Sabio Oil & Gas Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jan 1998 |
| 9943 | Sable Energy Corp. | Houston, TX 77057 | Oil & Gas Operator | Nov 1999 |
| 9944 | Sable Permian Resources Land,LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2019 |
| 9945 | Sable Permian Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2021 |
| 9946 | Sabre Oil And Gas Corp. | Houston, TX 77063 | Oil & Gas Operator | Feb 2026 |
| 9947 | Sabre Oil Company, LLC | Boca Raton, FL 33487 | Oil & Gas Operator | Jun 2022 |
| 9948 | Sabre Operating, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 9949 | Sackerol Enterprises, Inc. | Plattsburgh, NY 12901 | Oil & Gas Operator | Feb 2026 |
| 9950 | Saddle Creek Energy Development | Dallas, TX 75251 | Oil & Gas Operator | Nov 2008 |
| 9951 | Saddle Creek Oil, LLC | Albany, TX 76430 | Oil Operator | Feb 2026 |
| 9952 | Saddle Rim Energy (Texas), LLC | Greenwood VLG, CO 80111 | Oil Operator | Feb 2026 |
| 9953 | Saddleback Exploration, LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 9954 | Safari Oil Corporation | Gainesville, TX 76240 | Oil & Gas Operator | Sep 2003 |
| 9955 | Safari Production Company, Inc. | McAllen, TX 78501 | Oil & Gas Operator | Feb 2026 |
| 9956 | Safari Resources, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 9957 | Safemark Oil & Gas, LLC | McKinney, TX 75072 | Oil & Gas Operator | Feb 2026 |
| 9958 | Saffel, Wanda P. | Rule, TX 79547 | Oil & Gas Operator | Jun 2003 |
| 9959 | Saga Pet. LTD Liability Co Of Co | Midland, TX 79701 | Oil & Gas Operator | Apr 2004 |
| 9960 | Saga Petroleum Corp. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 9961 | Saga Petroleum LLC Of Colorado | Norman, OK 73072 | Oil & Gas Operator | Feb 2026 |
| 9962 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Feb 2026 |
| 9963 | Sage Natural Resources LLC | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2026 |
| 9964 | Sage Oil And Gas, LLC | Graham, TX 76450 | Gas Operator | Feb 2026 |
| 9965 | Sage Petroleum Co. | Borger, TX 79007 | Oil & Gas Operator | Dec 2002 |
| 9966 | Sagebrush Oilandgas Company,LLC | Midland, TX 79701 | Oil & Gas Operator | Mar 2010 |
| 9967 | Sagebrush Operating LLC | Denver, CO 80203 | Oil & Gas Operator | Aug 2025 |
| 9968 | Saguaro Petroleum, LLC | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 9969 | Sahara Operating Company | Midland, TX 79704 | Oil & Gas Operator | Feb 2026 |
| 9970 | Salida Exploration, LLC | Abilene, TX 79603 | Oil & Gas Operator | Feb 2026 |
| 9971 | Salient Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 9972 | Saling Oil Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2002 |
| 9973 | Salmon, Raymond Jr Estate | Nocona, TX 76255 | Oil Operator | Feb 2026 |
| 9974 | Salmon, Raymond, Jr. | Nocona, TX 76255 | Oil & Gas Operator | Sep 2017 |
| 9975 | Salona, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 9976 | Salt Creek Oil Corporation | Irving, TX 75016 | Oil & Gas Operator | Dec 1993 |
| 9977 | Salt Creek Production, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Feb 2026 |
| 9978 | Salt Creek Resources, LLC | Caney, KS 67333 | Oil Operator | Oct 2019 |
| 9979 | Salt Of The Earth Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | Feb 2026 |
| 9980 | Salty Lime Energy, LLC | Ovalo, TX 79541 | Oil Operator | Feb 2026 |
| 9981 | Salvador Oil, LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 9982 | Samco | Whitesboro, TX 76273 | Oil & Gas Operator | Aug 2013 |
| 9983 | Samco Oil & Gas Co. | Granbury, TX 76048 | Gas Operator | Feb 2002 |
| 9984 | Samedan Oil Corp. -Offshore Div. | Houston, TX 77067 | Oil & Gas Operator | Dec 2002 |
| 9985 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
| 9986 | Samis Oil Company, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2000 |
| 9987 | Sammax Operating LLC | Snyder, TX 79549 | Oil Operator | Feb 2026 |
| 9988 | Sams Energy, Inc. | Abilene, TX 79604 | Oil & Gas Operator | May 1998 |
| 9989 | Samson Contour Energy E&P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2017 |
| 9990 | Samson Exploration LLC | Tulsa, OK 74101 | Oil & Gas Operator | Dec 2025 |
| 9991 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
| 9992 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
| 9993 | Samson Lone Star, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2026 |
| 9994 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2025 |
| 9995 | Samurai Operating Co. L.L.C. | Dayton, TX 77535 | Oil & Gas Operator | Feb 2026 |
| 9996 | San Angelo Cetco, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Mar 1998 |
| 9997 | San Antonio Gas & Oil, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2000 |
| 9998 | San Cajo Oil Company | Edmonds, WA 98020 | Oil & Gas Operator | Feb 2026 |
| 9999 | San Dia Producing Company | Deanville, TX 77852 | Oil & Gas Operator | Feb 2026 |
| 10000 | San Isidro Development Co, L. C. | Sandia, TX 78383 | Oil & Gas Operator | Feb 2026 |