| 12101 | Winright Resources Operating,LLC | Houston, TX 77007 | Oil & Gas Operator | Dec 2024 |
| 12102 | Winslow Operating Company, LLC | Austin, TX 78737 | Oil & Gas Operator | Dec 2024 |
| 12103 | Winslow, Harry C. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2024 |
| 12104 | Winston Land & Cattle Co., Inc. | Lufkin, TX 75901 | Oil & Gas Operator | Feb 2001 |
| 12105 | Winston Land & Cattle I, LTD. | Lufkin, TX 75902 | Oil & Gas Operator | Nov 2014 |
| 12106 | Winwell, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2007 |
| 12107 | Wischkaemper, James K. | Shamrock, TX 79079 | Oil & Gas Operator | Aug 2023 |
| 12108 | Wischkaemper, Kenneth | Shamrock, TX 79079 | Oil & Gas Operator | Dec 2024 |
| 12109 | Wise Exploration | Perrin, TX 76486 | Oil & Gas Operator | Dec 2024 |
| 12110 | Wise Production Company | Bowie, TX 76230 | Oil & Gas Operator | Dec 2024 |
| 12111 | Wise Star Energy, LLC | San Antonio, TX 78230 | Oil & Gas Operator | Dec 2024 |
| 12112 | Wise Supply Company | Bowie, TX 76230 | Oil & Gas Operator | Dec 2024 |
| 12113 | Wise Well Service | Bowie, TX 76230 | Oil & Gas Operator | Jul 2017 |
| 12114 | Wiseman, B. W., Jr. | Midland, TX 79702 | Oil & Gas Operator | Dec 2002 |
| 12115 | Wisenbaker Production Company | Tyler, TX 75702 | Oil & Gas Operator | Oct 2011 |
| 12116 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
| 12117 | Wishbone Texas Operating Co LLC | Houston, TX 77064 | Oil & Gas Operator | Jul 2019 |
| 12118 | Witherspoon Oil Co | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2024 |
| 12119 | Withrow Engineering, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Mar 2000 |
| 12120 | WJC, Inc. | Post, TX 79356 | Oil & Gas Operator | Dec 2024 |
| 12121 | WJH Energy, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
| 12122 | WJR Production LLC | Fort Worth, TX 76177 | Oil Operator | Dec 2024 |
| 12123 | WJW Operating Co.,LLC | Austin, TX 78738 | Oil & Gas Operator | May 2002 |
| 12124 | WM Wild Wolf Production LLC | Albany, TX 76430 | Oil Operator | Dec 2024 |
| 12125 | Wmo Oil, LLC | Kilgore, TX 75663 | Oil Operator | Dec 2024 |
| 12126 | WMS Corporation | Corsicana, TX 75110 | Oil & Gas Operator | Dec 2024 |
| 12127 | WMS Oil Company | Post, TX 79356 | Oil & Gas Operator | May 2019 |
| 12128 | Wnu Energy LLC | Pinedale, WY 82941 | Oil & Gas Operator | Oct 2024 |
| 12129 | Wo Operating Company | Tulsa, OK 74159 | Oil & Gas Operator | Dec 2024 |
| 12130 | Wofford, C. J. | El Campo, TX 77437 | Oil & Gas Operator | Dec 2024 |
| 12131 | Wolco Energy, Inc. | Dallas, TX 75220 | Oil & Gas Operator | May 1997 |
| 12132 | Wolcott, Ed Operating | Dallas, TX 75205 | Oil & Gas Operator | Oct 2000 |
| 12133 | Wolf Creek Exploration Company | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2000 |
| 12134 | Wolf Energy | Midland, TX 79701 | Oil & Gas Operator | Jan 1995 |
| 12135 | Wolf Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2021 |
| 12136 | Wolf, Gene | Windthorst, TX 76389 | Oil & Gas Operator | Apr 2003 |
| 12137 | Wolf, Gene L.L.C. | Windthorst, TX 76389 | Oil & Gas Operator | Dec 2024 |
| 12138 | Wolfcamp Energy, LLC | Plano, TX 75024 | Gas Operator | Dec 2024 |
| 12139 | Wolfcamp Oil & Gas, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Dec 2004 |
| 12140 | Wolfe Oil Company | Stockdale, TX 78160 | Oil Operator | Dec 2024 |
| 12141 | Wolfson Oil Co. | Dallas, TX 75230 | Oil & Gas Operator | Sep 1999 |
| 12142 | Wolfson, I. J. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2002 |
| 12143 | Wolsey Oil Inc. | Bowie, TX 76230 | Oil & Gas Operator | Oct 2013 |
| 12144 | Wolsey Well Service, Inc. | Windthorst, TX 76389 | Oil & Gas Operator | Jul 2006 |
| 12145 | Wolsey Well Service, L.P. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2014 |
| 12146 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
| 12147 | Womack Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2024 |
| 12148 | Womack Operating, LLC. | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
| 12149 | Wood Energy Corporation | Baytown, TX 77520 | Oil & Gas Operator | Jun 1999 |
| 12150 | Wood Hi Co., Inc. | Victoria, TX 77902 | Oil & Gas Operator | Dec 2004 |
| 12151 | Wood Oil Company | Tulsa, OK 74103 | Gas Operator | Oct 1997 |
| 12152 | Wood, C.W. | Calliham, TX 78007 | Oil & Gas Operator | Sep 2023 |
| 12153 | Wood, McShane & Thams | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 12154 | Woodbine Acquisition LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2014 |
| 12155 | Woodbine Petroleum, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
| 12156 | Woodbine Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
| 12157 | Woods Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2024 |
| 12158 | Woods Operating Co., Inc. | Shreveport, LA 71136 | Oil & Gas Operator | Dec 2020 |
| 12159 | Woods, Herbert S. & Assoc. | El Dorado, AR 71730 | Gas Operator | Feb 2023 |
| 12160 | Woods, W.A. Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Dec 1993 |
| 12161 | Woodygreen Resources, LLC | Plano, TX 75093 | Oil & Gas Operator | Dec 2024 |
| 12162 | Woodygreen Resources, LP | Abilene, TX 79608 | Oil & Gas Operator | Mar 2012 |
| 12163 | Wooley Petroleum | Alvord, TX 76225 | Oil & Gas Operator | Oct 1994 |
| 12164 | Woolley, Gary W. | Spearman, TX 79081 | Gas Operator | Dec 2024 |
| 12165 | World Energy Corporation | Laredo, TX 78041 | Oil & Gas Operator | Aug 2003 |
| 12166 | World Hydrocarbon, Inc. | Kaufman, TX 75142 | Gas Operator | Apr 1995 |
| 12167 | World Producers, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1994 |
| 12168 | Worldwide Energy Corp. | Freer, TX 78357 | Oil & Gas Operator | Jan 1997 |
| 12169 | Worldwide Exploration, Inc | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2002 |
| 12170 | Worsham-Steed Gas Storage, L.P. | Houston, TX 77002 | Oil & Gas Operator | Aug 2010 |
| 12171 | Worsham-Steed Gas Storage, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Dec 2024 |
| 12172 | Wortham Oil & Gas | Conroe, TX 77301 | Oil & Gas Operator | Dec 2024 |
| 12173 | Wortham Operating, LLC | Holliday, TX 76366 | Oil & Gas Operator | Apr 2023 |
| 12174 | Wortham, E. H. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 12175 | Wortham, J. R. | Wichita Falls, TX 76310 | Oil & Gas Operator | Aug 2023 |
| 12176 | Wortham, Michael R. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 12177 | WP Oil & Gas Exploration LLC | Loving, TX 76460 | Oil Operator | Dec 2024 |
| 12178 | WPH Operating Company | Amarillo, TX 79105 | Oil & Gas Operator | Mar 2017 |
| 12179 | WPX Energy Gulf Coast, LP | Benbrook, TX 76126 | Oil & Gas Operator | May 2012 |
| 12180 | WPX Energy Permian, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
| 12181 | Wrath Energy, LLC | Odessa, TX 79760 | Oil Operator | Dec 2024 |
| 12182 | WRD Oil, LLC | Floresville, TX 78114 | Oil & Gas Operator | Dec 2024 |
| 12183 | WRD Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
| 12184 | Wright Brothers Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Dec 2024 |
| 12185 | Wright Brothers Petroleum, LTD. | San Antonio, TX 78212 | Oil & Gas Operator | May 2002 |
| 12186 | Wright Oil And Gas, LLC | Benbrook, TX 76126 | Oil & Gas Operator | Dec 2024 |
| 12187 | Wright Operating, Inc. | Denison, TX 75020 | Oil & Gas Operator | Dec 2024 |
| 12188 | Wright Trucking, Inc. | Weatherford, OK 73096 | Oil & Gas Operator | Feb 2019 |
| 12189 | Wright, Robert W. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 12190 | Wright, Robert W. Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2000 |
| 12191 | WRT Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | May 1998 |
| 12192 | WS Ritter Critters, LLC | Groom, TX 79039 | Gas Operator | Dec 2024 |
| 12193 | WSF, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2013 |
| 12194 | WSM | New Braunfels, TX 78132 | Oil Operator | Dec 2024 |
| 12195 | WSM LLC | New Braunfels, TX 78132 | Oil Operator | Dec 2024 |
| 12196 | WT Fitts Operating | Bowie, TX 76230 | Oil & Gas Operator | Dec 2024 |
| 12197 | WTG Exploration | Midland, TX 79705 | Oil & Gas Operator | Dec 2024 |
| 12198 | WTG Exploration Inc | Midland, TX 79705 | Oil & Gas Operator | Dec 2023 |
| 12199 | WTP Energy, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Dec 2024 |
| 12200 | WTR Operating LLC | Troup, TX 75789 | Gas Operator | Dec 2024 |