| 11901 | Westwin Energy I, LP | Midland, TX 79701 | Oil & Gas Operator | Aug 2003 |
| 11902 | Westwood Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | May 2013 |
| 11903 | Wetwick DRLG. & Prod. | Carlsbad, TX 76934 | Oil Operator | Dec 2024 |
| 11904 | Wetzel Oil Company | Austin, TX 78738 | Oil & Gas Operator | May 2007 |
| 11905 | Weyerhaeuser Company | Crossett, AR 71635 | Oil & Gas Operator | Sep 1994 |
| 11906 | WF Company, LTD. | Midland, TX 79705 | Oil & Gas Operator | Oct 1995 |
| 11907 | WFMMS, Inc. | Batson, TX 77519 | Oil & Gas Operator | Dec 2024 |
| 11908 | WFW Production Company, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2024 |
| 11909 | WG Oil, LLC | Wichita Falls, TX 76308 | Oil Operator | Dec 2024 |
| 11910 | WG Operating, Inc. | Tulsa, OK 74153 | Oil & Gas Operator | May 2012 |
| 11911 | WGR, Inc. | Houston, TX 77046 | Gas Operator | Jul 2007 |
| 11912 | Wgsi Enterprise LLC | Carrizo SPGS, TX 78834 | Gas Operator | Dec 2024 |
| 11913 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 11914 | Whatley, O. B. | Kilgore, TX 75662 | Oil & Gas Operator | Jun 1993 |
| 11915 | Whatley, O.B. Oil Company, Inc. | Bivins, TX 75555 | Oil & Gas Operator | Dec 2024 |
| 11916 | Wheat, Buck Resources, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Dec 2009 |
| 11917 | Wheeler Energy Co. | Tulsa, OK 74101 | Oil & Gas Operator | Sep 2024 |
| 11918 | Wheeler Energy, LLC | Tulsa, OK 74101 | Oil & Gas Operator | Dec 2024 |
| 11919 | Wheeler Midstream LLC | Houston, TX 77002 | Oil & Gas Operator | May 2018 |
| 11920 | Wheeler Oil Co. (A) | Amarillo, TX 79114 | Gas Operator | Apr 2001 |
| 11921 | Wheeler Operating Corporation | Fort Worth, TX 76101 | Oil & Gas Operator | Dec 2024 |
| 11922 | Whelan Brothers, Inc. | Oil City, LA 71061 | Oil & Gas Operator | May 2015 |
| 11923 | Whiskey River Oil & Gas LLC | Dallas, TX 75230 | Oil & Gas Operator | Apr 2024 |
| 11924 | Whitaker Properties, L. P. | Carthage, TX 75633 | Oil & Gas Operator | Sep 1997 |
| 11925 | Whitaker, Jerry | Sunset, TX 76270 | Oil & Gas Operator | May 2022 |
| 11926 | White Creek Energy | Three Rivers, TX 78071 | Oil & Gas Operator | Dec 2024 |
| 11927 | White Knight Production LLC | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2024 |
| 11928 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 11929 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
| 11930 | White Oak Production Company | Conway, AR 72034 | Oil & Gas Operator | Sep 2005 |
| 11931 | White Operating Company | Oklahoma City, OK 73159-7136 | Oil & Gas Operator | Sep 2024 |
| 11932 | White Pine Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Dec 2019 |
| 11933 | White River Energy LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2010 |
| 11934 | White River Operating LLC | Gilmer, TX 75644 | Oil & Gas Operator | Sep 2024 |
| 11935 | White Rock Exploration, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jul 2021 |
| 11936 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
| 11937 | White Sail Resources LLC | Austin, TX 78731 | Oil Operator | Dec 2024 |
| 11938 | White Stride LLC | Yukon, OK 73085 | Oil & Gas Operator | Dec 2024 |
| 11939 | White Wing Petroleum Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2012 |
| 11940 | White'S Industrial Engine'S | Houston, TX 77070 | Oil & Gas Operator | Dec 2024 |
| 11941 | White, Cecil | Monahans, TX 79756 | Oil & Gas Operator | Mar 2017 |
| 11942 | White, E. C. Oil Co. | Whiteface, TX 79379 | Oil & Gas Operator | Nov 2012 |
| 11943 | White, Frank | Abilene, TX 79604 | Oil & Gas Operator | Dec 2024 |
| 11944 | White, Jack Operating | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2024 |
| 11945 | White, Oscar | Tuscola, TX 79562 | Oil & Gas Operator | Dec 2024 |
| 11946 | White, R. D. Oil Co. | Snyder, TX 79549 | Oil & Gas Operator | Oct 2024 |
| 11947 | White, Ralph H. | Midland, TX 79701 | Oil & Gas Operator | Oct 2002 |
| 11948 | Whitehall Operating Inc. | Houston, TX 77040 | Oil & Gas Operator | Nov 1994 |
| 11949 | Whitehawk Production Company | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
| 11950 | Whitehead Prod. Co., Inc. | Humble, TX 77338 | Oil & Gas Operator | Sep 2024 |
| 11951 | Whitehead Resources, LTD. | Buna, TX 77612 | Oil & Gas Operator | Dec 2024 |
| 11952 | Whiteman Industries, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2024 |
| 11953 | Whitemound Oil Company | FT Stockton, TX 79735 | Oil & Gas Operator | Jan 2017 |
| 11954 | Whitesands Operating, L.L.C. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Dec 2024 |
| 11955 | Whitesands Resources, L.L.C. | Corpus Chrsti, TX 78466 | Oil Operator | Jun 2019 |
| 11956 | Whiteside, H. W. | Abilene, TX 79604 | Oil & Gas Operator | Nov 1998 |
| 11957 | Whiteside, Robert | Comanche, TX 76442 | Oil & Gas Operator | May 1998 |
| 11958 | Whitfield Energy | Midland, TX 79702 | Oil & Gas Operator | Jan 1999 |
| 11959 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 11960 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jul 2024 |
| 11961 | Whitlock, J.R. Operator | Amarillo, TX 79105 | Gas Operator | Jul 1997 |
| 11962 | Whitman-Dome Energy Corporation | San Diego, CA 92101 | Oil & Gas Operator | Nov 1996 |
| 11963 | Whitmar Exploration Company | Denver, CO 80202 | Oil & Gas Operator | Aug 2024 |
| 11964 | Whitson, James A., Jr. | Houston, TX 77063 | Oil & Gas Operator | Nov 2011 |
| 11965 | Whitt Investments, Inc. | Graham, TX 76450 | Oil Operator | Dec 2019 |
| 11966 | Whitt Oil & Gas, Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2024 |
| 11967 | Whitt, W. J. | Albany, TX 76430 | Oil & Gas Operator | Nov 1996 |
| 11968 | Whitten Energy Corp. | Houston, TX 77090 | Oil & Gas Operator | Dec 2024 |
| 11969 | Whittier Operating Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2007 |
| 11970 | Whittington Energy Co. | Melbourne, FL 32901 | Oil & Gas Operator | Dec 2024 |
| 11971 | Whittington Operating Company | Houston, TX 77069 | Oil & Gas Operator | Dec 2024 |
| 11972 | Whittington, G. R. | Amarillo, TX 79109 | Oil & Gas Operator | Jan 1994 |
| 11973 | Whittington, G. R. Estate | Amarillo, TX 79109 | Oil & Gas Operator | Mar 2008 |
| 11974 | WHL Oil Corp. | Houston, TX 77227 | Oil & Gas Operator | Sep 1998 |
| 11975 | Wichita Falls Oil Expl. Co. | Holliday, TX 76366 | Oil & Gas Operator | Dec 2024 |
| 11976 | Wichita Operating Company, Inc. | Spring, TX 77393 | Oil & Gas Operator | May 2009 |
| 11977 | Wigington, James Robert | Ackerly, TX 79713 | Oil & Gas Operator | Aug 2003 |
| 11978 | Wilbanks Energy Corporation | Houston, TX 77036 | Oil & Gas Operator | Dec 2001 |
| 11979 | Wilbanks Exploration, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 2002 |
| 11980 | Wilbanks Reserve Corporation | Denver, CO 80203 | Oil & Gas Operator | Dec 2024 |
| 11981 | Wilbanks, Bruce & G.L. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 11982 | Wilbanks, Bruce A. | Midland, TX 79701 | Oil & Gas Operator | Aug 1996 |
| 11983 | Wilbanks, Bruce A. Company | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
| 11984 | Wilbrook Exploration, Inc. | Lingleville, TX 76461 | Oil & Gas Operator | Aug 2003 |
| 11985 | Wilchar, DR. R. B. | Fort Worth, TX 76185 | Oil & Gas Operator | Jan 2007 |
| 11986 | Wilco Operating | Monahans, TX 79756 | Oil & Gas Operator | Dec 2024 |
| 11987 | Wilco Properties, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Jan 2004 |
| 11988 | Wilcox Energy Company LLC | Rule, TX 79547 | Oil & Gas Operator | Dec 2024 |
| 11989 | Wilcox Oil Company | Rule, TX 79547 | Oil & Gas Operator | Aug 2008 |
| 11990 | Wilcox Operating Corporation | Shreveport, LA 71115 | Oil & Gas Operator | Dec 2024 |
| 11991 | Wilcox Petroleum Operating LLC. | Rule, TX 79547 | Oil & Gas Operator | Dec 2024 |
| 11992 | Wild Cat Operating Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 11993 | Wild Horse Energy | Paducah, TX 79248 | Oil & Gas Operator | Dec 2024 |
| 11994 | Wildcat Cement Co. | Shamrock, TX 79079 | Oil & Gas Operator | May 2015 |
| 11995 | Wildcat Energy, LLC | Odessa, TX 79768 | Oil & Gas Operator | Jul 2021 |
| 11996 | Wildco Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Dec 2024 |
| 11997 | Wildfire Energy Operating LLC | Houston, TX 77224 | Oil & Gas Operator | Dec 2024 |
| 11998 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 11999 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2024 |
| 12000 | Wildhorse Resources MNGT Co, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | May 2019 |