| 1301 | Wold Oil & Gas | | Oil & Gas Operator | Oct 1996 |
| 1302 | Wold Oil Properties Inc | Denver, CO 80203 | Oil & Gas Operator | Feb 2018 |
| 1303 | Wolf Creek Enterprises Inc | Stillwater, OK 74074-6965 | Oil Operator | Apr 2009 |
| 1304 | Wolf Creek Exploration Company | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2000 |
| 1305 | Wolf Energy | Midland, TX 79701 | Oil & Gas Operator | Jan 1995 |
| 1306 | Wolf Energy Company | | Oil & Gas Operator | Dec 1985 |
| 1307 | Wolf Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2021 |
| 1308 | Wolf Energy, Limited Liability Company | Tulsa, OK 74145 | Oil Operator | Jun 2026 |
| 1309 | Wolf Howard Lee | Burneyville, OK 73430-9617 | Oil & Gas Operator | Jun 2000 |
| 1310 | Wolf Run Mining LLC | Grafton, WV 26354 | Oil & Gas Operator | Dec 2021 |
| 1311 | Wolf, Gene | Windthorst, TX 76389 | Oil & Gas Operator | Apr 2003 |
| 1312 | Wolf, Gene L.L.C. | Windthorst, TX 76389 | Oil & Gas Operator | Sep 2026 |
| 1313 | Wolfcamp Energy, LLC | Midland, TX 79702 | Gas Operator | Sep 2026 |
| 1314 | Wolfcamp Oil & Gas, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Dec 2004 |
| 1315 | Wolfe Energy, LLC | | Oil Operator | May 2026 |
| 1316 | Wolfe Jimmy Ray | | Oil Operator | Nov 1995 |
| 1317 | Wolfe Oil | Bremen, OH 43107 | Oil Operator | Dec 2025 |
| 1318 | Wolfe Oil Company | Stockdale, TX 78160 | Oil Operator | Sep 2026 |
| 1319 | Wolfe, Jimmy Ray, Deceased | Peru, KS 67360 | Oil Operator | Sep 2009 |
| 1320 | Wolfe, Leslie | Peru, KS 67360 | Oil Operator | Dec 2014 |
| 1321 | Wolfe, Ray | Longton, KS 67352 | Oil Operator | Jul 1988 |
| 1322 | Wolford Ben & Bonnie | Frazeysburg, OH 43822 | Oil Operator | Dec 2016 |
| 1323 | Wolfson Oil Co. | Dallas, TX 75230 | Oil & Gas Operator | Sep 1999 |
| 1324 | Wolfson, I. J. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2002 |
| 1325 | Wollard-Abbott Crude, A General Partnership | Parker, KS 66072 | Oil Operator | May 2008 |
| 1326 | Wolsey Oil Inc. | Bowie, TX 76230 | Oil & Gas Operator | Oct 2013 |
| 1327 | Wolsey Well Service, Inc. | Windthorst, TX 76389 | Oil & Gas Operator | Jul 2006 |
| 1328 | Wolsey Well Service, L.P. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2014 |
| 1329 | Wolverine Environmental Production Inc | | Oil & Gas Operator | Sep 2000 |
| 1330 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
| 1331 | Wolverine Gas & Oil Company Of Utah, LLC | Grand Rapids, MI 49503-2616 | Oil & Gas Operator | Jul 2026 |
| 1332 | Wolverine Gas And Oil Company Of Michigan LLC | | Oil & Gas Operator | May 2026 |
| 1333 | Wolverine Operations LLC | Buffalo, WY 82834 | Gas Operator | Oct 2008 |
| 1334 | Wolverine Petroleum Corp | Holdenville, OK 74848 | Oil & Gas Operator | Jul 1999 |
| 1335 | Wolverine Resources LLC | | Oil & Gas Operator | Jan 2024 |
| 1336 | Womack & Nelson | | Gas Operator | Feb 1987 |
| 1337 | Womack & Price | | Oil & Gas Operator | Oct 1990 |
| 1338 | Womack Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jun 2026 |
| 1339 | Womack Operating, LLC. | Houston, TX 77057 | Oil & Gas Operator | Sep 2026 |
| 1340 | Womack Prod Co. | | Oil Operator | Feb 1996 |
| 1341 | Womelsdorf Oil | Welda, KS 66091 | Oil Operator | Apr 1999 |
| 1342 | Wonee Oil Company | Healdton, OK 73438 | Oil Operator | Jul 1996 |
| 1343 | Wood Charles L | Akron, OH 44320 | Oil & Gas Operator | Dec 1990 |
| 1344 | Wood Donald E | Independence, KS 67301 | Oil & Gas Operator | Dec 2025 |
| 1345 | Wood Drilling LLC | | Gas Operator | Dec 2025 |
| 1346 | Wood Energy Corporation | Baytown, TX 77520 | Oil & Gas Operator | Jun 1999 |
| 1347 | Wood Energy, Inc. | Mount Vernon, IL 62864 | Oil Operator | May 2026 |
| 1348 | Wood Fay C Estate | Enid, OK 73703 | Oil & Gas Operator | Jun 2013 |
| 1349 | Wood Hi Co., Inc. | Victoria, TX 77902 | Oil & Gas Operator | Dec 2004 |
| 1350 | Wood McShane & T | | Oil Operator | Nov 1987 |
| 1351 | Wood Oil Company | Tulsa, OK 74103 | Gas Operator | Oct 1997 |
| 1352 | Wood River Oil & Refining Co | | Oil & Gas Operator | Dec 1998 |
| 1353 | Wood William C | | Oil & Gas Operator | Dec 2018 |
| 1354 | Wood, C.W. | Calliham, TX 78007 | Oil & Gas Operator | Sep 2023 |
| 1355 | Wood, Clarence & Lacy, W F | | Oil Operator | Dec 2019 |
| 1356 | Wood, E. H., Jr. | Wichita, KS 67202 | Oil & Gas Operator | Sep 2010 |
| 1357 | Wood, Kenneth | South Dayton, NY 14138 | Gas Operator | Dec 2025 |
| 1358 | Wood, McShane & Thams | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 1359 | Woodall Oil Company | | Oil Operator | Sep 2010 |
| 1360 | Woodard* Sandra K | | Oil Operator | Jul 2024 |
| 1361 | Woodbine Acquisition LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2014 |
| 1362 | Woodbine Petroleum, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
| 1363 | Woodbine Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 1364 | Woodbury Resources LLC | | Oil & Gas Operator | Apr 2024 |
| 1365 | Woodland Hills Oil & Gas, LLC | | Oil Operator | Dec 2024 |
| 1366 | Woodland Operating LLC | Rio VIsta, TX 76093-0010 | Oil & Gas Operator | Jun 2026 |
| 1367 | Woodlawn Energy Dev., L.L.C. | | Oil & Gas Operator | Aug 2006 |
| 1368 | Woodman & Iannit | | Oil & Gas Operator | Sep 1996 |
| 1369 | Woodman & Iannitti Oil Company | Great Bend, KS 67530 | Oil & Gas Operator | Jan 2003 |
| 1370 | Woodpecker Corp. | | Oil & Gas Operator | Dec 2024 |
| 1371 | Woodruff, Michael C. | Smethport, PA 16749 | Oil & Gas Operator | Dec 2025 |
| 1372 | Woods & Deas | | Oil & Gas Operator | Jan 1984 |
| 1373 | Woods & Deas-Dobie | | Oil & Gas Operator | Aug 1983 |
| 1374 | Woods Henry Dba Woods Oil Company | Madill, OK 73446 | Oil Operator | Apr 2026 |
| 1375 | Woods Oil | | Oil Operator | May 2026 |
| 1376 | Woods Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Sep 2026 |
| 1377 | Woods Operating Co., Inc. | Shreveport, LA 71136 | Oil & Gas Operator | Dec 2020 |
| 1378 | Woods Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 1379 | Woods, Et Al | | Gas Operator | Sep 1990 |
| 1380 | Woods, Herbert S. & Assoc. | El Dorado, AR 71730 | Gas Operator | Feb 2023 |
| 1381 | Woods, Pete Or Maxine | Chester, MT 59522 | Oil & Gas Operator | May 2026 |
| 1382 | Woods, W.A. Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Dec 1993 |
| 1383 | Woodward Disposal Company Inc | Woodward, OK 73801-3234 | Oil & Gas Operator | Sep 2013 |
| 1384 | Woodward Iodine Corporation | Woodward, OK 73801 | Oil & Gas Operator | Jul 2026 |
| 1385 | Woodward Petroleum | | Oil & Gas Operator | Dec 2003 |
| 1386 | Woody, James S & Blair, Sammy | Columbia, KY 42728 | Oil & Gas Operator | Dec 2024 |
| 1387 | Woodyard Drilling | Chesterhill, OH 43728 | Oil & Gas Operator | Dec 2016 |
| 1388 | Woodygreen Resources, LLC | Plano, TX 75093 | Oil & Gas Operator | Sep 2026 |
| 1389 | Woodygreen Resources, LP | Abilene, TX 79608 | Oil & Gas Operator | Mar 2012 |
| 1390 | Wooldridge Land & Cattle, LLC | | Oil Operator | Jan 2025 |
| 1391 | Wooldridge Production Co.,LTD. | | Oil & Gas Operator | Apr 2008 |
| 1392 | Wooldridge Production, L.L.C. | | Oil Operator | Mar 2005 |
| 1393 | Woolever Stephen L | Tulsa, OK 74108-2303 | Oil Operator | Jul 2024 |
| 1394 | Wooley Petroleum | Alvord, TX 76225 | Oil & Gas Operator | Oct 1994 |
| 1395 | Woolf & Magee, Inc. | | Oil & Gas Operator | Oct 1991 |
| 1396 | Woolsey Operating Company, LLC | Wichita, KS 67226 | Oil & Gas Operator | May 2026 |
| 1397 | Woolsey Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | May 2026 |
| 1398 | Woosley, James P | Moab, UT 84532 | Oil & Gas Operator | Jun 2026 |
| 1399 | Work John | Tulsa, OK 74135 | Oil Operator | Dec 1996 |
| 1400 | Workover One, Inc. | | Oil & Gas Operator | Jul 1989 |