| 1301 | Wolff'S Oilfield Service | Cushing, OK 74023-9789 | Oil & Gas Operator | Nov 2023 |
| 1302 | Wolford Ben & Bonnie | Frazeysburg, OH 43822 | Oil Operator | Dec 2016 |
| 1303 | Wolfson, I. J. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2002 |
| 1304 | Wollard-Abbott Crude, A General Partnership | Parker, KS 66072 | Oil Operator | May 2008 |
| 1305 | Wolsey Oil Inc. | Bowie, TX 76230 | Oil & Gas Operator | Oct 2013 |
| 1306 | Wolsey Well Service, Inc. | Windthorst, TX 76389 | Oil & Gas Operator | Jul 2006 |
| 1307 | Wolsey Well Service, L.P. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2014 |
| 1308 | Wolverine Environmental Production Inc | | Oil & Gas Operator | Sep 2000 |
| 1309 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
| 1310 | Wolverine Gas & Oil Company Of Utah, LLC | Grand Rapids, MI 49503-2616 | Oil & Gas Operator | Jan 2024 |
| 1311 | Wolverine Gas And Oil Company Of Michigan LLC | | Oil & Gas Operator | Jan 2024 |
| 1312 | Wolverine Operations LLC | Buffalo, WY 82834 | Gas Operator | Oct 2008 |
| 1313 | Wolverine Petroleum Corp | Holdenville, OK 74848 | Oil & Gas Operator | Jul 1999 |
| 1314 | Wolverine Resources LLC | | Oil & Gas Operator | Feb 2021 |
| 1315 | Womack & Nelson | | Gas Operator | Feb 1987 |
| 1316 | Womack & Price | | Oil & Gas Operator | Oct 1990 |
| 1317 | Womack Energy, Inc. | | Oil & Gas Operator | Nov 2023 |
| 1318 | Womack Operating, LLC. | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
| 1319 | Womack Prod Co. | | Oil Operator | Feb 1996 |
| 1320 | Womelsdorf Oil | Welda, KS 66091 | Oil Operator | Apr 1999 |
| 1321 | Wonee Oil Company | Healdton, OK 73438 | Oil Operator | Jul 1996 |
| 1322 | Wood Charles L | Akron, OH 44320 | Oil & Gas Operator | Dec 1990 |
| 1323 | Wood Energy Corporation | Baytown, TX 77520 | Oil & Gas Operator | Jun 1999 |
| 1324 | Wood Energy, Inc. | Mount Vernon, IL 62864 | Oil Operator | Nov 2023 |
| 1325 | Wood Fay C Estate | Enid, OK 73703 | Oil & Gas Operator | Jun 2013 |
| 1326 | Wood Hi Co., Inc. | Victoria, TX 77902 | Oil & Gas Operator | Dec 2004 |
| 1327 | Wood McShane & T | | Oil Operator | Nov 1987 |
| 1328 | Wood Oil Company | Tulsa, OK 74103 | Gas Operator | Oct 1997 |
| 1329 | Wood River Oil & Refining Co | | Oil & Gas Operator | Dec 1998 |
| 1330 | Wood William C | Kittanning, PA 16201-4328 | Oil & Gas Operator | Dec 2018 |
| 1331 | Wood, C.W. | Calliham, TX 78007 | Oil & Gas Operator | Sep 2023 |
| 1332 | Wood, Clarence & Lacy, W F | | Oil Operator | Dec 2019 |
| 1333 | Wood, Donald E. | Independence, KS 67301 | Oil & Gas Operator | Dec 2023 |
| 1334 | Wood, E. H., Jr. | Wichita, KS 67202 | Oil & Gas Operator | Sep 2010 |
| 1335 | Wood, Kenneth | South Dayton, NY 14138 | Gas Operator | Dec 2022 |
| 1336 | Wood, McShane & Thams | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 1337 | Woodall Oil Company | | Oil Operator | Sep 2010 |
| 1338 | Woodard Energy Company | Houston, TX 77042 | Oil & Gas Operator | Mar 2010 |
| 1339 | Woodbine Acquisition LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2014 |
| 1340 | Woodbine Petroleum, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
| 1341 | Woodbine Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 1342 | Woodland Operating LLC | | Oil & Gas Operator | Dec 2023 |
| 1343 | Woodlawn Energy Dev., L.L.C. | | Oil & Gas Operator | Aug 2006 |
| 1344 | Woodman & Iannit | | Oil & Gas Operator | Sep 1996 |
| 1345 | Woodman & Iannitti Oil Company | Great Bend, KS 67530 | Oil & Gas Operator | Jan 2003 |
| 1346 | Woodpecker Corp. | | Oil & Gas Operator | Dec 2023 |
| 1347 | Woodruff, Michael C. | Smethport, PA 16749 | Oil & Gas Operator | Dec 2022 |
| 1348 | Woods & Deas | | Oil & Gas Operator | Jan 1984 |
| 1349 | Woods & Deas-Dobie | | Oil & Gas Operator | Aug 1983 |
| 1350 | Woods Henry Dba Woods Oil Company | Madill, OK 73446-0356 | Oil Operator | Aug 2023 |
| 1351 | Woods Oil | | Oil Operator | Dec 2023 |
| 1352 | Woods Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2024 |
| 1353 | Woods Operating Co., Inc. | Shreveport, LA 71136 | Oil & Gas Operator | Dec 2020 |
| 1354 | Woods Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 1355 | Woods, Et Al | | Gas Operator | Sep 1990 |
| 1356 | Woods, Herbert S. & Assoc. | El Dorado, AR 71730 | Gas Operator | Feb 2023 |
| 1357 | Woods, Pete Or Maxine | Chester, MT 59522 | Oil & Gas Operator | Jan 2024 |
| 1358 | Woods, W.A. Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Dec 1993 |
| 1359 | Woodward Disposal Company Inc | Woodward, OK 73801-3234 | Oil & Gas Operator | Sep 2013 |
| 1360 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Jan 2024 |
| 1361 | Woodward Petroleum | | Oil & Gas Operator | Dec 2003 |
| 1362 | Woodyard Drilling | Chesterhill, OH 43728 | Oil & Gas Operator | Dec 2016 |
| 1363 | Woodygreen Resources, LLC | Plano, TX 75093 | Oil & Gas Operator | Apr 2024 |
| 1364 | Woodygreen Resources, LP | Abilene, TX 79608 | Oil & Gas Operator | Mar 2012 |
| 1365 | Woofter, Betty | Glenville, WV 26351-0032 | Oil & Gas Operator | Dec 2021 |
| 1366 | Wooldridge Land & Cattle, LLC | | Oil Operator | Jan 2024 |
| 1367 | Wooldridge Production Co.,LTD. | | Oil & Gas Operator | Apr 2008 |
| 1368 | Wooldridge Production, L.L.C. | | Oil Operator | Mar 2005 |
| 1369 | Woolever Stephen L | Tulsa, OK 74108-2303 | Oil Operator | Jun 2023 |
| 1370 | Woolf & Magee, Inc. | | Oil & Gas Operator | Oct 1991 |
| 1371 | Woolley, Gary W. | Spearman, TX 79081 | Gas Operator | Apr 2024 |
| 1372 | Woolsey Operating Company, LLC | Wichita, KS 67226 | Oil & Gas Operator | Dec 2023 |
| 1373 | Woolsey Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 1374 | Work John | Tulsa, OK 74135 | Oil Operator | Dec 1996 |
| 1375 | Workover One, Inc. | | Oil & Gas Operator | Jul 1989 |
| 1376 | World Energy Corporation | Laredo, TX 78041 | Oil & Gas Operator | Aug 2003 |
| 1377 | World Hydrocarbon, Inc. | Kaufman, TX 75142 | Gas Operator | Apr 1995 |
| 1378 | World Oil | | Oil & Gas Operator | Nov 1998 |
| 1379 | World Producers, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 1994 |
| 1380 | Worldwide Energy | | Oil & Gas Operator | May 1989 |
| 1381 | Worldwide Energy Corp. | Freer, TX 78357 | Oil & Gas Operator | Jan 1997 |
| 1382 | Worldwide Exploration, Inc | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2002 |
| 1383 | Worrall Engineering | | Oil & Gas Operator | Mar 2005 |
| 1384 | Worsham Petroleum | Denver, CO 80209 | Gas Operator | Aug 2001 |
| 1385 | Worsham-Steed Gas Storage, L.P. | Houston, TX 77002 | Oil & Gas Operator | Aug 2010 |
| 1386 | Worsham-Steed Gas Storage, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Apr 2024 |
| 1387 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 1388 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 1389 | Worstell Oil Co LLC | | Oil Operator | Aug 2023 |
| 1390 | Worth Drilling | | Oil Operator | Jun 1993 |
| 1391 | Wortham Oil & Gas | Conroe, TX 77301 | Oil & Gas Operator | Apr 2024 |
| 1392 | Wortham Operating, LLC | Holliday, TX 76366 | Oil & Gas Operator | Apr 2023 |
| 1393 | Wortham, E. H. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 1394 | Wortham, J. R. | Wichita Falls, TX 76310 | Oil & Gas Operator | Aug 2023 |
| 1395 | Wortham, Michael R. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 1396 | Worthington Oil Co Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1989 |
| 1397 | Worthy George Disposal Inc | Cushing, OK 74023-9523 | Oil Operator | Jan 2001 |
| 1398 | WP Oil & Gas Exploration LLC | Loving, TX 76460 | Oil Operator | Apr 2024 |
| 1399 | WP Oil LLC | | Oil Operator | Jan 2024 |
| 1400 | WPH Operating Company | Amarillo, TX 79105 | Oil & Gas Operator | Mar 2017 |