| 1101 | W & K Oil Co. | | Oil & Gas Operator | Jun 1989 |
| 1102 | W & L Oil Co. | | Oil Operator | Aug 1995 |
| 1103 | W M Smith | | Oil Operator | Jun 1989 |
| 1104 | W&W Oil Co | Denver City, TX 79323 | Oil Operator | Jun 2002 |
| 1105 | W. A. Parker | | Oil & Gas Operator | Jan 1981 |
| 1106 | W. A. Stanberry | | Oil & Gas Operator | Nov 1988 |
| 1107 | W. C. Allen | | Oil & Gas Operator | Dec 2024 |
| 1108 | W. C. Emmons | | Oil Operator | Jan 2025 |
| 1109 | W. E. Orr | | Oil & Gas Operator | Dec 2024 |
| 1110 | W. H. Beene | | Oil & Gas Operator | Jan 2025 |
| 1111 | W. S. Hale Petroleum | | Oil & Gas Operator | Jul 2015 |
| 1112 | W. S. Hale Petroleum, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 1113 | W. W. Melton | | Oil Operator | Sep 1983 |
| 1114 | Wagon Wheel Arklatex, LLC | | Oil & Gas Operator | May 2018 |
| 1115 | Walker Management Company | | Oil & Gas Operator | Apr 1988 |
| 1116 | Wallace D. Putman, Jr. | | Oil Operator | Jan 2025 |
| 1117 | Walters Production | | Oil Operator | Mar 2005 |
| 1118 | Watson Oil & Gas Corp. | | Oil Operator | Aug 1994 |
| 1119 | Watts And Hill Oil Company | | Oil Operator | Sep 1995 |
| 1120 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Apr 2026 |
| 1121 | Weathersby Oil Co. | | Oil Operator | Oct 2001 |
| 1122 | Weaver Bros | | Oil Operator | Nov 1987 |
| 1123 | Weiser-Brown Operating Company | Magnolia, AR 71754 | Oil & Gas Operator | Apr 2026 |
| 1124 | Wesla Oil & Gas Co., Inc. | | Oil & Gas Operator | Jun 2001 |
| 1125 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
| 1126 | White Contracting Co., Inc. | | Oil Operator | Jan 1991 |
| 1127 | White Horse Energy Inc. | | Oil & Gas Operator | Jun 1989 |
| 1128 | Whitton Company, Inc. | | Oil & Gas Operator | Jul 2020 |
| 1129 | Wilcox Operating Corporation | Shreveport, LA 71115 | Oil & Gas Operator | Apr 2026 |
| 1130 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 1131 | Wilkerson Oil Company | | Oil Operator | Dec 1991 |
| 1132 | Will-Drill Operating, L.L.C. | Shreveport, LA 71105 | Oil & Gas Operator | Apr 2026 |
| 1133 | Will-Drill Production Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Apr 2026 |
| 1134 | William D. Pittman | | Oil & Gas Operator | Jun 1991 |
| 1135 | William Marvin Hobbs, SR. | | Oil Operator | Aug 2002 |
| 1136 | Williams Pressure Service Co. | | Oil Operator | Sep 1985 |
| 1137 | Williamson Oil & Gas, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Dec 2024 |
| 1138 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |
| 1139 | Winchester Production Company | Shreveport, LA 71129 | Oil & Gas Operator | Nov 2008 |
| 1140 | Woodall Oil Company | | Oil Operator | Sep 2010 |
| 1141 | Woodbine Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 1142 | Woodland Hills Oil & Gas, LLC | | Oil Operator | Dec 2024 |
| 1143 | Wooldridge Land & Cattle, LLC | | Oil Operator | Jan 2025 |
| 1144 | Wooldridge Production Co.,LTD. | | Oil & Gas Operator | Apr 2008 |
| 1145 | WSF, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2013 |
| 1146 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Jan 2026 |
| 1147 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2026 |
| 1148 | Xtra Energy Corporation | | Oil & Gas Operator | Jun 1989 |
| 1149 | Z C Ambrose-G L Blaxton, Jr. | | Oil & Gas Operator | Apr 1983 |
| 1150 | Zadeck Energy Group, Inc. | | Oil & Gas Operator | Dec 2011 |
| 1151 | Zam'S Production Company | | Oil Operator | Sep 2004 |