| 1101 | U S Oil Reclaimers LLC | Drumright, OK 74030-1155 | Oil Operator | Jun 2023 |
| 1102 | U.S. Energy Development Corp | Arlington, TX 76011 | Oil & Gas Operator | Apr 2024 |
| 1103 | Umberham Oil Company Inc | Oklahoma City, OK 73151-4000 | Oil & Gas Operator | Jan 2024 |
| 1104 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 1105 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2024 |
| 1106 | United Energy & Expl Inc | Ada, OK 74821-2449 | Oil & Gas Operator | Jan 2024 |
| 1107 | United Energy & Exploration LLC | Ada, OK 74821 | Oil & Gas Operator | Jan 2024 |
| 1108 | United Oil Corporation | Denver, CO 80202-3813 | Oil & Gas Operator | Jan 2024 |
| 1109 | United Primary Resources Inc | Milton, WA 98354-9361 | Oil & Gas Operator | Feb 2016 |
| 1110 | United States Trading & Trans | Dallas, TX 75380-3342 | Oil & Gas Operator | Dec 1994 |
| 1111 | Uplands Resources Inc | Tulsa, OK 74103-4141 | Oil & Gas Operator | Jan 2024 |
| 1112 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Apr 2024 |
| 1113 | Usedc Okc LLC | | Oil & Gas Operator | May 2018 |
| 1114 | Vaco Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Jun 2003 |
| 1115 | Valar Petroleum Inc | Houston, TX 77069 | Oil & Gas Operator | May 2006 |
| 1116 | Van Horn I H | Tulsa, OK 74145-5715 | Oil & Gas Operator | Mar 2001 |
| 1117 | Van Orsdol Paul | Bristow, OK 74010 | Oil & Gas Operator | Dec 2023 |
| 1118 | Van Zandt Marilyn | | Gas Operator | Jan 2024 |
| 1119 | Varner Jerry D And Helen Revocable Inter VIvos Trust | | Oil Operator | Jan 2024 |
| 1120 | Vectra CBM LLC | Littleton, CO 80128-4557 | Gas Operator | Jan 2014 |
| 1121 | Veenker Resources, Inc. | Oklahoma City, OK 73113 | Oil & Gas Operator | Feb 2024 |
| 1122 | Ventura Energy Services LLC | | Oil & Gas Operator | Mar 2020 |
| 1123 | Veteran Exploration & Prod, LLC | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
| 1124 | Vike Oil Inc | Cushing, OK 74023-6509 | Oil & Gas Operator | Jan 2024 |
| 1125 | Vincent Production Company | | Oil & Gas Operator | Dec 2006 |
| 1126 | Vitol Inc | Houston, TX 77098 | Oil & Gas Operator | Sep 2023 |
| 1127 | W P Oil & Gas LLC | Coweta, OK 74429-5465 | Oil & Gas Operator | Mar 2015 |
| 1128 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 1129 | Wachob Oil & Gas LLC | | Oil Operator | Jun 2015 |
| 1130 | Waelder Oil & Gas, Inc. | Fort Smith, AR 72903 | Oil & Gas Operator | Jan 2024 |
| 1131 | Waggoner Drilling Company | Bristow, OK 74010-0663 | Oil & Gas Operator | Jan 2014 |
| 1132 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 1133 | Walker Keith F | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2019 |
| 1134 | Wandering Star Partners #1 LLLP | | Oil & Gas Operator | Apr 2015 |
| 1135 | Ward Kelly | Drumright, OK 74030-5661 | Oil & Gas Operator | Feb 2015 |
| 1136 | Warner Gona Revocable Trust | Sand Springs, OK 74063-5296 | Oil & Gas Operator | May 2009 |
| 1137 | Warner Production LLC | Mannford, OK 74044-6182 | Oil & Gas Operator | Feb 2024 |
| 1138 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 1139 | Warrior Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2023 |
| 1140 | Watkins J L | Morris, OK 74445-0325 | Oil & Gas Operator | Feb 2024 |
| 1141 | Watkins Oil Company | Claremore, OK 74017 | Oil & Gas Operator | May 2018 |
| 1142 | Watts Keith | Bristow, OK 74010-4996 | Oil Operator | Jan 2024 |
| 1143 | Wave Energy LLC | | Oil Operator | Feb 2024 |
| 1144 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
| 1145 | Webb Roy C | Davis, OK 73030-0371 | Oil & Gas Operator | Feb 2024 |
| 1146 | Weins Horton L | Tulsa, OK 74157-1117 | Oil & Gas Operator | Jan 2024 |
| 1147 | Welch Energy LLC | Drumright, OK 74030-0346 | Oil Operator | Feb 2024 |
| 1148 | Welch Family Trust | Ada, OK 74820-9643 | Oil & Gas Operator | Apr 2015 |
| 1149 | Wells Allen W | Barnsdall, OK 74002-0997 | Oil & Gas Operator | Jan 2024 |
| 1150 | Wells Edward K | Sapulpa, OK 74066-4243 | Oil & Gas Operator | Jun 2004 |
| 1151 | Wentworth Operating Company | Oklahoma City, OK 73162-1863 | Oil & Gas Operator | Mar 2024 |
| 1152 | Wessel Oil And Gas | Cushing, OK 74023-9580 | Oil & Gas Operator | Mar 2015 |
| 1153 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Feb 2024 |
| 1154 | Western Petroleum Company Inc | Tulsa, OK 74170-2676 | Oil & Gas Operator | Apr 2020 |
| 1155 | Westfall-Gooden Reserves LLC | | Oil & Gas Operator | Jan 2024 |
| 1156 | Westshore Operating Inc | Naples, FL 34109-0549 | Oil & Gas Operator | Dec 2011 |
| 1157 | Westwood Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2013 |
| 1158 | WFD Oil Corporation | Edmond, OK 73012-0619 | Oil & Gas Operator | Feb 2024 |
| 1159 | Wheeler Energy Co. | Tulsa, OK 74101 | Oil & Gas Operator | Jan 2024 |
| 1160 | Wheeler Oil & Gas Inc | Tulsa, OK 74103-4293 | Oil & Gas Operator | Jan 2007 |
| 1161 | Wheeler Oil Company | Sperry, OK 74073-9417 | Oil & Gas Operator | Sep 2023 |
| 1162 | Whitdale Inc | Cushing, OK 74023 | Oil & Gas Operator | Aug 2023 |
| 1163 | White Buffalo Petroleum Co | Bethany, OK 73008-3104 | Oil & Gas Operator | Jun 2007 |
| 1164 | White Clarence A | Lawton, OK 73505-4927 | Oil & Gas Operator | Dec 2023 |
| 1165 | White Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Dec 2023 |
| 1166 | White Mike Oil Field Service | Edmond, OK 73034 | Oil & Gas Operator | Jan 2013 |
| 1167 | White Star Petroleum LLC | | Oil & Gas Operator | Jan 2024 |
| 1168 | Whitehead Prod. Co., Inc. | Humble, TX 77338 | Oil & Gas Operator | Jan 2024 |
| 1169 | Whitley Oil & Gas Inc | Owasso, OK 74055 | Oil & Gas Operator | Jun 2009 |
| 1170 | Wil-MC Oil Corporation The | Irving, TX 75015-2510 | Oil & Gas Operator | Mar 1999 |
| 1171 | Wild Horse Tank Trucks Inc | Duncan, OK 73533-7667 | Oil Operator | Oct 2016 |
| 1172 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 1173 | Williams Petroleum Company, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2024 |
| 1174 | Williams Roger F | Tulsa, OK 74152-0951 | Oil & Gas Operator | May 2013 |
| 1175 | Williamson Gregory L | Skiatook, OK 74070-0028 | Oil & Gas Operator | Mar 2015 |
| 1176 | Williford Energy Company | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2024 |
| 1177 | Wilshire Oil LLC | | Oil & Gas Operator | Dec 2023 |
| 1178 | Wilson Allen Dewayne | Okemah, OK 74859-0426 | Oil & Gas Operator | Jan 2024 |
| 1179 | Wilson H Drew | Sperry, OK 74073-0488 | Oil Operator | Jan 2024 |
| 1180 | Wind River Resources Inc | Tulsa, OK 74136-6381 | Oil & Gas Operator | Jun 2010 |
| 1181 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 1182 | Withrow Oil Company Inc | Yukon, OK 73099-7712 | Oil & Gas Operator | Apr 2021 |
| 1183 | WLW Oil & Gas LLC | Kingfisher, OK 73750-1102 | Oil & Gas Operator | Feb 2024 |
| 1184 | WN Operating Inc | Okmulgee, OK 74447-0551 | Oil & Gas Operator | Jan 2024 |
| 1185 | Wolff'S Oilfield Service | Cushing, OK 74023-9789 | Oil & Gas Operator | Nov 2023 |
| 1186 | Wood Fay C Estate | Enid, OK 73703 | Oil & Gas Operator | Jun 2013 |
| 1187 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Feb 2024 |
| 1188 | Work John | Tulsa, OK 74135 | Oil Operator | Dec 1996 |
| 1189 | World Oil | | Oil & Gas Operator | Nov 1998 |
| 1190 | Worthy George Disposal Inc | Cushing, OK 74023-9523 | Oil Operator | Jan 2001 |
| 1191 | Wright Katherine E | Tulsa, OK 74114-1229 | Oil Operator | Sep 2019 |
| 1192 | Wright V Gerald | Cushing, OK 74023 | Oil & Gas Operator | Nov 2003 |
| 1193 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Feb 2024 |
| 1194 | Xutapa Properties LLC | | Oil & Gas Operator | Jan 2024 |
| 1195 | Yarhola Production Company | Drumright, OK 74030-0693 | Oil & Gas Operator | Jan 2024 |
| 1196 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 1197 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 1198 | Zeiders Bros Oil & Gas Co LLC | Edmond, OK 73003 | Oil & Gas Operator | Jan 2024 |
| 1199 | Zephyr Operating Co LLC | Oklahoma City, OK 73118-6035 | Oil & Gas Operator | Jan 2024 |
| 1200 | Zimet Brothers Inc | | Oil Operator | Mar 2008 |