| 9901 | Service Clearing Corp | Dallas, TX 75229 | Oil & Gas Operator | Jun 2026 |
| 9902 | Service Drilling Co. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 1998 |
| 9903 | Service Drilling Co., L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2003 |
| 9904 | Service Production Company, Inc. | Santa Fe, TX 77510 | Oil & Gas Operator | May 1999 |
| 9905 | Setex Oil And Gas Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2012 |
| 9906 | Setex Oil Company, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jan 2000 |
| 9907 | Sev Texas Operating, LLC | Long Beach, CA 90755 | Oil & Gas Operator | Jun 2026 |
| 9908 | Seven Cross Operating, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Jun 2026 |
| 9909 | Seven Falls Company | Dallas, TX 75201 | Oil & Gas Operator | May 2008 |
| 9910 | Seven Lakes Operating LLC | Austin, TX 78746 | Oil Operator | Jun 2026 |
| 9911 | Seven Loaves Energy LLC | Conroe, TX 77304 | Oil & Gas Operator | Jun 2026 |
| 9912 | Seven Wells Oil & Gas Expl. | Abilene, TX 79601 | Oil & Gas Operator | Jun 2014 |
| 9913 | Seventy Oil Co. | Freer, TX 78357 | Oil & Gas Operator | Mar 2002 |
| 9914 | Sevenx, LLC | Iowa Park, TX 76367 | Oil Operator | Jun 2026 |
| 9915 | SF Resources Inc | Houston, TX 77040 | Oil Operator | Jun 2026 |
| 9916 | SFJV Enterprises, Inc. | Berclair, TX 78107 | Gas Operator | Aug 1998 |
| 9917 | SFM Holdings, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jul 1995 |
| 9918 | SG Interests, Inc. | Houston, TX 77010 | Oil & Gas Operator | Jun 2007 |
| 9919 | SGB Oil LLC | Luling, TX 78648 | Oil Operator | Jun 2026 |
| 9920 | SGP Operating LLC | Dallas, TX 75205 | Oil & Gas Operator | Jun 2026 |
| 9921 | Sha Stephens, Incorporated | Weatherford, TX 76087 | Oil & Gas Operator | Apr 2006 |
| 9922 | Sha-Jam Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Jun 2026 |
| 9923 | Shack, Bill | Albany, TX 76430 | Oil & Gas Operator | Apr 2006 |
| 9924 | Shackelford Oil Co | Midland, TX 79707 | Oil & Gas Operator | Apr 2026 |
| 9925 | Shackelford,Frank Oil Properties | Midland, TX 79701 | Oil & Gas Operator | Aug 1997 |
| 9926 | Shadawn Corporation | Wichita Falls, TX 76310 | Oil & Gas Operator | Mar 2005 |
| 9927 | Shady Oil Co. | Brownwood, TX 76801 | Oil & Gas Operator | Jun 2026 |
| 9928 | Shaida, John H. | Wichita, KS 67226 | Oil & Gas Operator | Jun 2026 |
| 9929 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Mar 2026 |
| 9930 | Shale Energy LLC | Jeffersonville, KY 40337 | Oil Operator | Dec 2018 |
| 9931 | Shale Hunter, LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
| 9932 | Shale Oil Co., Inc. | Liberty, TX 77575 | Oil & Gas Operator | Jun 2026 |
| 9933 | Shale Operating Co. | Dallas, TX 75356 | Oil & Gas Operator | Jun 2026 |
| 9934 | Shallow Production Oper, LLC | Austin, TX 78738 | Oil Operator | Jun 2026 |
| 9935 | Shamrock Minerals Corporation | Merkel, TX 79536 | Oil & Gas Operator | Nov 1998 |
| 9936 | Shamrock Oil Co. | Sugar Land, TX 77478 | Oil & Gas Operator | Mar 2008 |
| 9937 | Shamrock Texas Partners L.P. | San Angelo, TX 76904 | Oil & Gas Operator | Jun 2026 |
| 9938 | Shana Petroleum Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2002 |
| 9939 | Shanafelt Oil Operating, LLC | Jacksboro, TX 76458 | Oil Operator | Jun 2026 |
| 9940 | Shanafelt, Arthur | Jacksboro, TX 76458 | Oil & Gas Operator | May 2003 |
| 9941 | Shanghai Energy Corporation | Houston, TX 77027 | Oil & Gas Operator | Apr 2003 |
| 9942 | Shanks, Bob | Haskell, OK 74436 | Oil Operator | Sep 2002 |
| 9943 | Shannon Energy | Liberal, KS 67901 | Oil & Gas Operator | Feb 1999 |
| 9944 | Shappell Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Sep 2012 |
| 9945 | Shappell Oil Company, L.L.C. | Harrisonburg, LA 71340 | Oil & Gas Operator | Jun 2026 |
| 9946 | Share Petroleum Corp. | Mabank, TX 75147 | Oil Operator | Jun 2026 |
| 9947 | Sharoco Corporation | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 1996 |
| 9948 | Sharon Hunter Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Sep 2012 |
| 9949 | Sharon Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2010 |
| 9950 | Sharp Image Energy, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Jun 2026 |
| 9951 | Sharp, Cherry L | Jacksboro, TX 76458 | Oil Operator | Jun 2026 |
| 9952 | Sharp, John T. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2014 |
| 9953 | Sharpe Energy Company | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 9954 | Shaw, T. G. Oil Company, LTD. | Fort Worth, TX 76113 | Oil & Gas Operator | Jun 2026 |
| 9955 | Shawver & Shawver | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 9956 | Shearer Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2002 |
| 9957 | Shed Oil Company | Electra, TX 76360 | Oil Operator | Jun 2026 |
| 9958 | Sheer Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |
| 9959 | Sheets Exploration Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2016 |
| 9960 | Sheets, P. A. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 1994 |
| 9961 | Shefts & Shefts, Inc. | Luling, TX 78648 | Oil & Gas Operator | Jun 2026 |
| 9962 | Shelby Boswell Operator, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jun 2026 |
| 9963 | Shelby Operating Company | Dallas, TX 75205 | Oil & Gas Operator | Jun 2026 |
| 9964 | Shelby Operating, Inc. | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 1997 |
| 9965 | Shelby Production Co. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2009 |
| 9966 | Shelby Production, Inc. | Kilgore, TX 75663 | Gas Operator | Jun 2026 |
| 9967 | Shelby, Michael H. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2026 |
| 9968 | Shelco | Maysville, MO 64469 | Oil & Gas Operator | May 2021 |
| 9969 | Sheldon Resources, L.P. | Bryan, TX 77805 | Oil & Gas Operator | Jun 2026 |
| 9970 | Shell Frontier Oil & Gas Inc. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 9971 | Shell Land & Energy Co. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 9972 | Shell Offshore Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 2008 |
| 9973 | Shell Onshore Ventures Inc | Houston, TX 77210 | Gas Operator | Jun 2002 |
| 9974 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | Jun 2026 |
| 9975 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 9976 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 9977 | Shelton, Charles M. | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 9978 | Shenandoah Oil, Inc. (I) | Midland, TX 79710 | Oil & Gas Operator | Apr 1996 |
| 9979 | Shenandoah Petroleum Corporation | Midland, TX 79705 | Oil & Gas Operator | Jun 2026 |
| 9980 | Shenandoah Resources LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |
| 9981 | Sheneeda Energy, LLC | O Brien, TX 79539 | Oil Operator | Jun 2025 |
| 9982 | Shepperd, William M. | Houston, TX 77279 | Oil & Gas Operator | Sep 2012 |
| 9983 | Sheridan Energy,Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2000 |
| 9984 | Sheridan Production Co III, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 9985 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 9986 | Sherley, O. C. | Megargel, TX 76370 | Oil & Gas Operator | Aug 2003 |
| 9987 | Sherman Oil Company LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 9988 | Sherman, L. B. | Early, TX 76803 | Oil & Gas Operator | Jun 1998 |
| 9989 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Jun 2026 |
| 9990 | Shield Operating Co. | Georgetown, TX 78627 | Oil & Gas Operator | Aug 2003 |
| 9991 | Shield Petroleum | College Sta, TX 77845 | Oil & Gas Operator | Jun 2026 |
| 9992 | Shifflett Operating Company | Snyder, TX 79550 | Oil & Gas Operator | Jun 2026 |
| 9993 | Shiloh Oil Company LLC | Williston, FL 32696 | Oil & Gas Operator | Jun 2026 |
| 9994 | Shiner Exploration, LLC | Houston, TX 77091 | Oil & Gas Operator | Jun 2026 |
| 9995 | Shines'S Oil Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2009 |
| 9996 | Shinnery Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2026 |
| 9997 | Shirley, B. J. | Lawn, TX 79530 | Oil & Gas Operator | Mar 2008 |
| 9998 | Shivers, Linward, Operator | Shreveport, LA 71161 | Oil & Gas Operator | Sep 1997 |
| 9999 | SHL Operating | Lubbock, TX 79416 | Oil & Gas Operator | Jun 2026 |
| 10000 | Shoco Production LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |