| 6201 | Usedc Okc LLC | Getzville, NY 14068-1296 | Oil & Gas Operator | May 2018 |
| 6202 | V A B Inc | Weleetka, OK 74880 | Oil & Gas Operator | Jan 2007 |
| 6203 | V S Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2025 |
| 6204 | Vaca Operating Company LLC | Pacific PLSDS, CA 90272 | Oil & Gas Operator | Aug 2017 |
| 6205 | Vaco Oil Company | Cleveland, OK 74020 | Oil & Gas Operator | Jun 2003 |
| 6206 | Valancy Operating LLC | Goldsby, OK 73093 | Oil & Gas Operator | Sep 2025 |
| 6207 | Valar Petroleum Inc | Houston, TX 77069 | Oil & Gas Operator | May 2006 |
| 6208 | Valence Operating Company | Kingwood, TX 77339 | Oil & Gas Operator | Dec 2025 |
| 6209 | Valiant Oil & Inv Co | | Oil & Gas Operator | Aug 2025 |
| 6210 | Validus Energy II Midcon LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 6211 | Validus Inc | Fort Lauderdale, FL 33304 | Oil & Gas Operator | Aug 2025 |
| 6212 | Valjohn Energy Corporation | Dover, OK 73734 | Oil & Gas Operator | Aug 2025 |
| 6213 | Valley Oil & Gas Inc | | Oil & Gas Operator | Nov 2013 |
| 6214 | Valley Petrol Consulting Inc | Denton, TX 76205 | Oil Operator | Aug 2025 |
| 6215 | Valpoint Operating, LLC | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2025 |
| 6216 | Van Dall, Don | | Oil Operator | Mar 2015 |
| 6217 | Van Horn I H | Tulsa, OK 74145-5715 | Oil & Gas Operator | Mar 2001 |
| 6218 | Van Horn Oil & Gas Inc | Tulsa, OK 74170 | Oil & Gas Operator | Nov 1998 |
| 6219 | Van Horn Oil Company | Ada, OK 74820 | Oil & Gas Operator | Oct 1999 |
| 6220 | Van Orsdol Paul | Bristow, OK 74010 | Oil & Gas Operator | Sep 2025 |
| 6221 | Van Zandt Marilyn | Depew, OK 74028 | Gas Operator | Sep 2025 |
| 6222 | Vancol Oil Co Inc | Ponca City, OK 74602-0030 | Oil & Gas Operator | May 2018 |
| 6223 | Vanderbilt Resources Corp. | Midland, TX 79701 | Oil & Gas Operator | Nov 1991 |
| 6224 | Vanguard Permian, LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 6225 | Vanon Energy Inc | Fort Worth, TX 76162 | Oil & Gas Operator | Jul 2022 |
| 6226 | Vantage Point Operating Co. | Houston, TX 77057 | Oil & Gas Operator | Dec 2014 |
| 6227 | Vaquero Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2025 |
| 6228 | Varner Jerry D And Helen Revocable Inter VIvos Trust | Bristow, OK 74010 | Oil Operator | Aug 2025 |
| 6229 | Vassaur Elizabeth | Morris, OK 74445-2303 | Oil & Gas Operator | Oct 2018 |
| 6230 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Jun 2025 |
| 6231 | Vaughan III Ben F | Austin, TX 78768-2233 | Oil & Gas Operator | Aug 2025 |
| 6232 | Vaughan Oil LLC | Holdenville, OK 74848 | Oil Operator | Aug 2025 |
| 6233 | Vaughan Otto M | | Oil & Gas Operator | Apr 2014 |
| 6234 | Vaughan Production Company, Inc. | Norman, OK 73072 | Oil & Gas Operator | Sep 2014 |
| 6235 | Vaughn Deloy | Beggs, OK 74421-0305 | Oil & Gas Operator | Apr 2020 |
| 6236 | VD Oil Company LLC | Bartlesville, OK 74003-4280 | Oil Operator | Aug 2025 |
| 6237 | Vector Energy Corporation | Houston, TX 77060 | Oil & Gas Operator | Dec 2025 |
| 6238 | Vector Exploration Inc | Oklahoma City, OK 73142-4430 | Oil & Gas Operator | Dec 2018 |
| 6239 | Vectra CBM LLC | Littleton, CO 80128-4557 | Gas Operator | Jan 2014 |
| 6240 | Veenker Resources Inc | Oklahoma City, OK 73113 | Oil & Gas Operator | Sep 2025 |
| 6241 | Vega Energy Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2015 |
| 6242 | Venis Dwain | Seminole, OK 74818-1975 | Oil & Gas Operator | Feb 2012 |
| 6243 | Venis Exploration Company | Aledo, TX 76008 | Oil & Gas Operator | Oct 2024 |
| 6244 | Ventura Energy Services LLC | Tulsa, OK 74136-5108 | Oil & Gas Operator | Mar 2020 |
| 6245 | Venus Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
| 6246 | Venus Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2002 |
| 6247 | Verdad Oil & Gas Corporation | Dallas, TX 75235 | Oil & Gas Operator | Dec 2025 |
| 6248 | Veritas Energy LLC | San Antonio, TX 78231 | Oil & Gas Operator | Dec 2025 |
| 6249 | Vess Oil Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |
| 6250 | Veteran Exploration & Prod, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 6251 | Vi-Roi Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Jun 2004 |
| 6252 | Vi-Roi Oil Company LLC | Duncan, OK 73534-1624 | Oil Operator | Aug 1997 |
| 6253 | Vi-Roi Oil Income & Dev Prog | Duncan, OK 73533 | Oil Operator | Oct 1994 |
| 6254 | Vicorp Energy Inc | Denver, CO 80202-4927 | Oil & Gas Operator | Mar 2001 |
| 6255 | Victorem Energy LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2025 |
| 6256 | Victory Oil & Gas Inc | Gun Barrel Cy, TX 75156 | Oil & Gas Operator | Dec 2025 |
| 6257 | Victory Petroleum Inc | Tulsa, OK 74170-0354 | Oil & Gas Operator | May 2013 |
| 6258 | Viersen & Cochran Drilling Company | | Oil & Gas Operator | May 2015 |
| 6259 | Viersen Drilling Company | Henryetta, OK 74437 | Oil & Gas Operator | Jan 2022 |
| 6260 | Vike Oil Inc | Drumright, OK 74030 | Oil & Gas Operator | Aug 2025 |
| 6261 | Villines J K | Ada, OK 74820-8323 | Oil & Gas Operator | Apr 2014 |
| 6262 | Vincent Production Company | | Oil & Gas Operator | Dec 2006 |
| 6263 | Vinson & Clark | Wichita Falls, TX 76308 | Oil Operator | Apr 2015 |
| 6264 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Aug 2025 |
| 6265 | Vintage Resources Inc | Lindsay, OK 73052-0285 | Oil Operator | Dec 2007 |
| 6266 | Vision Energy Inc | Carlsbad, NM 88221 | Oil & Gas Operator | Aug 2022 |
| 6267 | Vision Natural Res-Ok LLC | Midland, TX 79708-8105 | Oil Operator | Oct 2010 |
| 6268 | Vista Energy Inc | Yukon, OK 73085-0827 | Oil & Gas Operator | Mar 2015 |
| 6269 | Vistatex Energy LLC | Houston, TX 77057 | Oil & Gas Operator | Aug 2025 |
| 6270 | Vitol Inc. | Houston, TX 77098 | Oil & Gas Operator | Sep 2023 |
| 6271 | Vitruvian Exploration LLC | The Woodlands, TX 77380 | Oil & Gas Operator | May 2016 |
| 6272 | Vitruvian II Woodford LLC | The Woodlands, TX 77381-5259 | Oil & Gas Operator | May 2019 |
| 6273 | VPR Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Oct 2013 |
| 6274 | VRC Oil & Gas Operating Co | Oklahoma City, OK 73116-1431 | Oil & Gas Operator | Jun 2019 |
| 6275 | VRK Oil And Gas, Inc. | Arlington, TX 76016 | Oil & Gas Operator | Mar 2014 |
| 6276 | VRK Operating Company Inc | Fort Worth, TX 76109-7430 | Oil & Gas Operator | Sep 1994 |
| 6277 | VVWF Oil Inc | Oklahoma City, OK 73143-7375 | Gas Operator | Feb 1994 |
| 6278 | W C S Inc | Pottsboro, TX 75076 | Oil & Gas Operator | Oct 2019 |
| 6279 | W C T Operating LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Aug 2025 |
| 6280 | W M A Corporation | Wichita, KS 67278-1713 | Oil & Gas Operator | Jan 1998 |
| 6281 | W M Energy Corp | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2015 |
| 6282 | W P Oil & Gas LLC | Coweta, OK 74429-5465 | Oil & Gas Operator | Mar 2015 |
| 6283 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 6284 | W-N Energy Corp | Tulsa, OK 74121-1468 | Oil & Gas Operator | Nov 1994 |
| 6285 | Wabash Energy Corporation | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2009 |
| 6286 | Wachob Jack | Sapulpa, OK 74066 | Oil Operator | Dec 2014 |
| 6287 | Wachob Oil & Gas LLC | Sapulpa, OK 74066-6987 | Oil Operator | Jun 2015 |
| 6288 | Wacker Oil Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 6289 | Waddell Norman | Seminole, OK 74868-1244 | Oil & Gas Operator | Nov 1998 |
| 6290 | Wadkins T Roy | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2019 |
| 6291 | Wadley Bill & Son Drilling Co | Okmulgee, OK 74447 | Oil & Gas Operator | Aug 2025 |
| 6292 | Waelder Oil & Gas, Inc. | Fort Smith, AR 72903 | Oil & Gas Operator | Aug 2025 |
| 6293 | Waggoner Drilling Company | Bristow, OK 74010-0663 | Oil & Gas Operator | Jan 2014 |
| 6294 | Waggoner Oil & Gas Corp | Enid, OK 73703-1152 | Oil & Gas Operator | Sep 2025 |
| 6295 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 6296 | Wagner & Brown LP | Midland, TX 79702-1714 | Oil & Gas Operator | Aug 2022 |
| 6297 | Wagner Energy LLC | Enid, OK 73701 | Oil Operator | Aug 2025 |
| 6298 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 6299 | Wagon Wheel Production Company | Crawford, OK 73638-9502 | Oil & Gas Operator | Mar 2025 |
| 6300 | Wagoner, Walter M | | Oil Operator | Aug 2025 |