| 1 | S & B Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Oct 2025 |
| 2 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
| 3 | S & M Drilling, LLC | Wichita Falls, TX 76308 | Oil Operator | Sep 2023 |
| 4 | S & R Oil Company | Electra, TX 76360 | Oil & Gas Operator | Apr 1993 |
| 5 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Oct 2025 |
| 6 | S&G Oil LLC | Wichita Falls, TX 76309 | Oil & Gas Operator | Oct 2025 |
| 7 | S&S Heidrich | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2017 |
| 8 | S.B. Street Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 9 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
| 10 | Sabre Operating, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 11 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Oct 2025 |
| 12 | Salvador Oil, LLC | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 13 | Sargent, Jo Ann | Holliday, TX 76366 | Oil & Gas Operator | Aug 2003 |
| 14 | Sauder Management Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 15 | Schaefer, Gary L. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2017 |
| 16 | Schalk, Thomas S. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 1995 |
| 17 | Schenk Oil Co. | Scotland, TX 76379 | Oil Operator | Oct 2025 |
| 18 | Scribner, Jeff | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2004 |
| 19 | Seale, Don R. | Electra, TX 76360 | Oil & Gas Operator | Oct 2025 |
| 20 | Seelye, William L. | Plano, TX 75024 | Oil & Gas Operator | Oct 2005 |
| 21 | Segler, Charles | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 22 | Seismotech Energy, Incorporated | Plano, TX 75075 | Oil & Gas Operator | Aug 2003 |
| 23 | Seneca Exploration, LLC | Wichita Falls, TX 76308 | Oil Operator | Oct 2025 |
| 24 | Sep, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1994 |
| 25 | Sevenx, LLC | Iowa Park, TX 76367 | Oil Operator | Oct 2025 |
| 26 | Shappell Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Sep 2012 |
| 27 | Shappell Oil Company, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 28 | Share Petroleum Corp. | Mabank, TX 75147 | Oil Operator | Oct 2025 |
| 29 | Shed Oil Company | Electra, TX 76360 | Oil Operator | Oct 2025 |
| 30 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 31 | Sherman Oil Company LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 32 | Sigma Exploration Corp., The | Dallas, TX 75230 | Oil & Gas Operator | Sep 1998 |
| 33 | Simpson, A. E. | Electra, TX 76360 | Oil & Gas Operator | Dec 2006 |
| 34 | Sissom Oil | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 35 | Sissom Oil Field Services, LLC | Graham, TX 76450 | Oil Operator | Oct 2025 |
| 36 | Skinner, W. E. | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 2025 |
| 37 | Skybridge Energy LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2025 |
| 38 | Slant Operating, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Oct 2025 |
| 39 | Slate Holdings, Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Oct 2025 |
| 40 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 41 | Smith, Ted H. | Wichita Falls, TX 76310 | Oil & Gas Operator | Sep 1998 |
| 42 | Smulcer, Jimmy A. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2002 |
| 43 | Spearco Oil | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 44 | Special JHR Corp | Bridgeville, PA 15017 | Oil & Gas Operator | Oct 2025 |
| 45 | SPH Development, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2022 |
| 46 | Spitfire Partners, LLC | Dallas, TX 75225 | Oil Operator | Oct 2025 |
| 47 | Spragins, Ed | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 48 | Spruiell Drilling Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Oct 2025 |
| 49 | St. Cajetan Oil Company, LLC | Gainesville, TX 76240 | Oil & Gas Operator | Oct 2025 |
| 50 | Stagg Investment Group, Inc. | Midland, TX 79701 | Oil Operator | May 2013 |
| 51 | Staley Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2000 |
| 52 | Staley, Jack C. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2000 |
| 53 | Starr Operating Company | Austin, TX 78759 | Oil & Gas Operator | Oct 2025 |
| 54 | Statia Enterprises, Inc | Irving, TX 75014 | Oil & Gas Operator | Oct 2025 |
| 55 | Steinberger, Gerald | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2007 |
| 56 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 57 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 58 | Stone, B. W. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2012 |
| 59 | Stone, Gregory W. | Holliday, TX 76366 | Oil & Gas Operator | Oct 2025 |
| 60 | Storm Oil | Burkburnett, TX 76354 | Oil & Gas Operator | Oct 2025 |
| 61 | Strange, D. D. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2014 |
| 62 | Strange, Joyce Marital Trust | Holliday, TX 76366 | Oil Operator | May 2008 |
| 63 | Stray Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Aug 2008 |
| 64 | Stray Oil Company, LLC | Burkburnett, TX 76354 | Oil Operator | Nov 2017 |
| 65 | Sunrise Enterprises | Bowie, TX 76230 | Oil & Gas Operator | Dec 2016 |
| 66 | Sunrise Oil, LTD. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2004 |
| 67 | Surge Solutions, Inc. | Bandera, TX 78003 | Oil Operator | Oct 2025 |
| 68 | Sutterfield-Tisdale-Payne, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 1998 |
| 69 | Swanner Properties | Wichita Falls, TX 76309 | Oil & Gas Operator | Oct 2025 |
| 70 | Swanson & Vestal | Electra, TX 76360 | Oil & Gas Operator | Oct 1997 |
| 71 | Swanson Operating, Inc. | Holliday, TX 76366 | Oil Operator | Oct 2025 |
| 72 | Swanson, Tom | Electra, TX 76360 | Oil & Gas Operator | Oct 2004 |
| 73 | Swanson, Tommy Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 74 | Swenson Backhoe Service, Inc. | Electra, TX 76360 | Oil Operator | Oct 2025 |
| 75 | SWJN Oil Company | Kilgore, TX 75663 | Oil Operator | Oct 2025 |
| 76 | Syntax Energy Corporation | Denton, TX 76210 | Oil Operator | Oct 2025 |