| 31301 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 31302 | Wagner & Wagner | Indiana, PA 15701-1273 | Gas Operator | Dec 2012 |
| 31303 | Wagner And Brown LTD Dba Wagner And Brown LTD | | Oil & Gas Operator | Sep 2002 |
| 31304 | Wagner Energy LLC | Enid, OK 73701 | Oil Operator | Feb 2025 |
| 31305 | Wagner Gas And Oil LLC | | Oil Operator | Mar 2025 |
| 31306 | Wagner Oil And Gas | | Oil & Gas Operator | Dec 2016 |
| 31307 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | May 2025 |
| 31308 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
| 31309 | Wagon Wheel Arklatex, LLC | | Oil & Gas Operator | May 2018 |
| 31310 | Wagon Wheel Production Company | Crawford, OK 73638-9502 | Oil & Gas Operator | Jan 2022 |
| 31311 | Wagoner, Walter M | | Oil Operator | Feb 2025 |
| 31312 | Wainoco Oil & Ga | | Oil & Gas Operator | Jan 1993 |
| 31313 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 31314 | Wakefield Oil Company, Inc. | Winfield, KS 67156 | Oil Operator | Aug 1999 |
| 31315 | Wako Oil Co. LLC | Graham, TX 76450 | Oil Operator | May 2025 |
| 31316 | Walbet | Monahans, TX 79756 | Oil & Gas Operator | Dec 1993 |
| 31317 | Walbet, Inc. | Monahans, TX 79756 | Oil & Gas Operator | May 2025 |
| 31318 | Walcher Oil, LC | Bellevue, WA 98009 | Oil & Gas Operator | Jan 2025 |
| 31319 | Walcher, Wayne E. | Wichita, KS 67202 | Oil & Gas Operator | May 2024 |
| 31320 | Walden E F | Ada, OK 74820 | Oil & Gas Operator | Aug 2014 |
| 31321 | Waldron David A | Wooster, OH 44691 | Oil & Gas Operator | Dec 2003 |
| 31322 | Waldrop, L. E. | Houston, TX 77024 | Oil & Gas Operator | Jun 1996 |
| 31323 | Walgann Oil & Gas Inc | Sperry, OK 74073 | Oil Operator | Mar 2025 |
| 31324 | Walkabout Operating, LLC | Lubbock, TX 79424 | Oil & Gas Operator | May 2025 |
| 31325 | Walker Billy R | Henryetta, OK 74437-0026 | Oil & Gas Operator | Sep 2014 |
| 31326 | Walker Corporation (The) | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 31327 | Walker David Wayne | Okemah, OK 74859-9731 | Oil & Gas Operator | Sep 2022 |
| 31328 | Walker Energy Group | Houston, TX 77215-1089 | Oil & Gas Operator | Jun 1992 |
| 31329 | Walker Energy, LLC | | Oil & Gas Operator | Nov 2024 |
| 31330 | Walker Ervin G | | Oil Operator | Jul 1992 |
| 31331 | Walker Explor & Prod Corp | Unknown, UT 99999 | Oil & Gas Operator | Dec 1989 |
| 31332 | Walker Gas Company | Romney, WV 25757-0000 | Oil & Gas Operator | Dec 2018 |
| 31333 | Walker Jeffery Scott | Owasso, OK 74055-7420 | Oil Operator | Jan 2025 |
| 31334 | Walker Keith F | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2019 |
| 31335 | Walker L Willis | | Oil Operator | Dec 1985 |
| 31336 | Walker La. Properties | | Oil & Gas Operator | Oct 1990 |
| 31337 | Walker Management Company | | Oil & Gas Operator | Apr 1988 |
| 31338 | Walker Oil & Gas | Early, TX 76802 | Oil & Gas Operator | Dec 2002 |
| 31339 | Walker Oil & Gas Co LLC* Keith F | | Oil & Gas Operator | Jun 2011 |
| 31340 | Walker Oil & Gas Corporaton | Roswell, NM 88202 | Oil & Gas Operator | Oct 1998 |
| 31341 | Walker Oil And Gas Inc | | Oil & Gas Operator | Jun 2021 |
| 31342 | Walker Oil And Gas LTD | Snyder, TX 79550 | Oil Operator | May 2025 |
| 31343 | Walker Operating (I) | Wichita Falls, TX 76308 | Oil Operator | May 2025 |
| 31344 | Walker Paul | Duncan, OK 73533-9782 | Oil & Gas Operator | Feb 2022 |
| 31345 | Walker Resources Co, LLC | | Oil & Gas Operator | Dec 2013 |
| 31346 | Walker Tank Service, Inc | Utica, KS 67584 | Oil Operator | Aug 2022 |
| 31347 | Walker Well Service Inc | Big Bend, WV 26136-0000 | Oil & Gas Operator | Dec 2021 |
| 31348 | Walker'S Fruit Farms, LLC | Forestville, NY 14062 | Gas Operator | Dec 2023 |
| 31349 | Walker'S Well Service | Gladewater, TX 75647 | Oil & Gas Operator | Aug 2003 |
| 31350 | Walker, Daniel J. | La Vernia, TX 78121 | Oil Operator | May 2025 |
| 31351 | Walker, Ervin Gilbert | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2020 |
| 31352 | Walker, Harrel L. | La Vernia, TX 78121 | Oil & Gas Operator | May 2023 |
| 31353 | Walker, Kent | Midland, TX 79704 | Oil & Gas Operator | Jun 2004 |
| 31354 | Walker, Tigner | Shreveport, LA 71138 | Oil & Gas Operator | Feb 2005 |
| 31355 | Walker-Wilson | | Oil & Gas Operator | Jul 1999 |
| 31356 | Walking X Oil Co. | Whiteface, TX 79379 | Oil & Gas Operator | May 2025 |
| 31357 | Wall Shelby | | Oil & Gas Operator | Oct 1998 |
| 31358 | Wallace D. Putman, Jr. | | Oil Operator | Jan 2025 |
| 31359 | Wallace Energy I | | Oil Operator | Mar 1990 |
| 31360 | Wallace Energy, Inc. | Denver, CO 80202-4327 | Oil Operator | Jun 2015 |
| 31361 | Wallace George C | Oklahoma City, OK 73120-0135 | Oil Operator | Nov 1994 |
| 31362 | Wallace John J Jr | Cooperstown, PA 16317-1909 | Oil & Gas Operator | Dec 2024 |
| 31363 | Wallace Oil & Ga | | Gas Operator | Oct 1995 |
| 31364 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2025 |
| 31365 | Wallace Operating Company | | Oil & Gas Operator | Sep 1986 |
| 31366 | Wallace Sherrie D | Dewey, OK 74029 | Oil & Gas Operator | Jan 2025 |
| 31367 | Wallace, Drexel And June | New Milton, WV 26411-0000 | Oil & Gas Operator | Dec 2021 |
| 31368 | Wallace, Sharon J. | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 31369 | Wallen Production Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1996 |
| 31370 | Waller Brothers, Inc. | | Oil & Gas Operator | Jul 2004 |
| 31371 | Waller Oil, LLC | Stockton, KS 67669 | Oil Operator | Dec 2024 |
| 31372 | Waller, C.W. Oil Co. | Albany, TX 76430 | Oil & Gas Operator | May 2025 |
| 31373 | Wallick Petroleum Co | Reynoldsburg, OH 43068 | Oil & Gas Operator | Dec 1994 |
| 31374 | Walling, Buster H | | Oil Operator | Jul 2022 |
| 31375 | Wallis Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | May 2025 |
| 31376 | Walls Energy, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 31377 | Walls, Charles A. | Caney, KS 67333 | Oil Operator | Aug 2016 |
| 31378 | Walls, G. M. & Frances, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 31379 | Wallway M J | Casper, WY 82601 | Oil & Gas Operator | Jan 1993 |
| 31380 | Wally Tucker | | Gas Operator | Dec 1994 |
| 31381 | Walrath Oil Co. LLC | | Oil Operator | Mar 2025 |
| 31382 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | May 2025 |
| 31383 | Walsh Jr F Howard | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Feb 2025 |
| 31384 | Walsh Jr F Howard Opr Co Inc | Fort Worth, TX 76102-4773 | Oil & Gas Operator | Feb 2016 |
| 31385 | Walsh Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2022 |
| 31386 | Walsh Production Inc | | Oil & Gas Operator | Nov 2008 |
| 31387 | Walsh Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | May 2025 |
| 31388 | Walsh, F H Jr. Operating Co. Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2019 |
| 31389 | Walsh, F. Howard, Jr. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 1994 |
| 31390 | Walter Black Warrior Basin LLC | | Gas Operator | Dec 2014 |
| 31391 | Walter E & Bernice N Darnall | | Oil Operator | Feb 2025 |
| 31392 | Walter Exploration Company | Dallas, TX 75206 | Oil & Gas Operator | May 2025 |
| 31393 | Walter Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | May 2009 |
| 31394 | Walter H. Husfeld Oil Co LLC | Bowie, TX 76230 | Oil & Gas Operator | May 2025 |
| 31395 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | May 2025 |
| 31396 | Walter Parker Inc | Talala, OK 74080-3808 | Oil & Gas Operator | Feb 2025 |
| 31397 | Walter T. Lanaux | | Oil & Gas Operator | Nov 1990 |
| 31398 | Walter W. Heard, Jr. | | Oil & Gas Operator | Dec 1995 |
| 31399 | Walters Drilling | | Oil Operator | Mar 1988 |
| 31400 | Walters Frank | Pernell, OK 73076 | Oil & Gas Operator | Sep 2014 |