| 32201 | Wynne Petroleum Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Nov 1997 |
| 32202 | Wyoil Corp | Buffalo, WY 82834 | Oil Operator | Sep 2024 |
| 32203 | Wyoming Diamond A LLC | Cheyenne, WY 82007 | Gas Operator | Nov 2024 |
| 32204 | Wyoming Mineral Exploration LLC | Casper, WY 82602 | Oil Operator | Dec 2006 |
| 32205 | Wyoming Oil & Minerals Inc | Casper, WY 82601 | Oil & Gas Operator | Jun 2001 |
| 32206 | Wyoming Resources Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Oct 2018 |
| 32207 | Wyoming Western Oil | Pine Bluffs, WY 82082 | Oil Operator | Sep 2019 |
| 32208 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Jan 2020 |
| 32209 | X Stone Energy LLC. | Plano, TX 75093 | Oil & Gas Operator | Nov 2024 |
| 32210 | X-Bar LMT Partnership | | Oil & Gas Operator | May 2013 |
| 32211 | X-Bar Resources Inc | Holdenville, OK 74848 | Oil & Gas Operator | Jul 2013 |
| 32212 | X-L Energy Company | El Paso, TX 79902 | Oil & Gas Operator | Nov 2024 |
| 32213 | X72 Operating Corp. | Plano, TX 75025 | Oil & Gas Operator | Nov 2024 |
| 32214 | Xae Corporation | Norman, OK 73072 | Oil & Gas Operator | Apr 2021 |
| 32215 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Sep 2024 |
| 32216 | XCL Assetco, LLC | Houston, TX 77007 | Oil & Gas Operator | Aug 2024 |
| 32217 | XCL-Louisiana, Inc. | | Oil & Gas Operator | Aug 1993 |
| 32218 | XCL-Texas, Inc. | Lafayette, LA 70503 | Oil & Gas Operator | Nov 2000 |
| 32219 | Xenex Incorporat | | Oil Operator | Mar 1991 |
| 32220 | Xenia Corporation, The | Garnett, KS 66032 | Oil Operator | Jan 2001 |
| 32221 | Xeno, Inc | Calgary, AB T2P 2S5 | Gas Operator | Dec 2001 |
| 32222 | Xenon Energy, Inc. | Plano, TX 75074 | Oil & Gas Operator | Aug 2003 |
| 32223 | Xeric Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Jul 1997 |
| 32224 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 32225 | Xet, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2017 |
| 32226 | Xhorizons Energy LLC | Houston, TX 77079 | Oil Operator | Nov 2024 |
| 32227 | Xmco Inc | | Oil & Gas Operator | Sep 1986 |
| 32228 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 32229 | Xog Resources, LLC | Spring, TX 77379 | Oil & Gas Operator | Nov 2024 |
| 32230 | Xoil Inc | Aurora, CO 80016 | Oil & Gas Operator | Jul 2023 |
| 32231 | Xophi Energy, LLC | Arlington, TX 76006 | Oil & Gas Operator | Nov 2024 |
| 32232 | Xplor Corporation | | Oil & Gas Operator | Dec 2013 |
| 32233 | Xplor Energy Operating Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 2012 |
| 32234 | Xplore Operating, LLC | Arlington, TX 76001 | Oil & Gas Operator | Nov 2024 |
| 32235 | XPR Resources LLC | Canonsburg, PA 15317-5862 | Gas Operator | Sep 2024 |
| 32236 | XPR Wyoming LLC | | Oil & Gas Operator | Sep 2024 |
| 32237 | Xstar Resources LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2024 |
| 32238 | Xta Resources LLC | Del Valle, TX 78617 | Oil & Gas Operator | Nov 2024 |
| 32239 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Nov 2024 |
| 32240 | XTO Offshore Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2010 |
| 32241 | XTO Permian Operating LLC. | Midland, TX 79707 | Oil & Gas Operator | Sep 2024 |
| 32242 | Xtra Energy Corporation | | Oil & Gas Operator | Jun 1989 |
| 32243 | Xtra Energy, LLC | Fort Worth, TX 76161 | Oil & Gas Operator | Nov 2024 |
| 32244 | Xtreme Operating Company LLC | Flower Mound, TX 75022 | Oil Operator | Nov 2024 |
| 32245 | Xutapa Properties LLC | Pawhuska, OK 74056 | Oil & Gas Operator | Sep 2024 |
| 32246 | Xyz Oil, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Nov 2024 |
| 32247 | Y D F Inc | Oklahoma City, OK 73128 | Oil & Gas Operator | Sep 2024 |
| 32248 | Y Oil Company Inc. | Cameron, TX 76520 | Oil & Gas Operator | Nov 2024 |
| 32249 | Yager Company | Hutchinson, KS 67502 | Oil & Gas Operator | Dec 2000 |
| 32250 | Yahn & Yahn, Inc. | Hammondsport, NY 14840 | Oil & Gas Operator | Dec 2023 |
| 32251 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Nov 2024 |
| 32252 | Yanahosa, Inc. | Kountze, TX 77625 | Oil Operator | Nov 2024 |
| 32253 | Yarberry Oil Company | Wichita Falls, TX 76308-5120 | Oil & Gas Operator | Apr 2015 |
| 32254 | Yarberry Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2024 |
| 32255 | Yarberry, E. E. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2015 |
| 32256 | Yarborough Oil & Gas L.P. | Midland, TX 79701 | Oil & Gas Operator | Oct 2000 |
| 32257 | Yarborough, W. B. | Midland, TX 79701 | Oil & Gas Operator | Nov 1995 |
| 32258 | Yarbrough Oil LP | Hobbs, NM 88241 | Oil & Gas Operator | Sep 2024 |
| 32259 | Yarbrough R E | Lago VIsta, TX 78645-0005 | Oil & Gas Operator | Mar 2015 |
| 32260 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Sep 2024 |
| 32261 | Yasny Corporation | | Oil Operator | Nov 1991 |
| 32262 | Yates Drilling Co & Myco Industrial Inc | Artesia, NM 88210 | Oil & Gas Operator | Dec 1993 |
| 32263 | Yates Drilling Company | Artesia, NM 88210 | Oil & Gas Operator | Dec 2021 |
| 32264 | Yates Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Nov 2024 |
| 32265 | Yates Industries, LLC | Santa Fe, NM 87501 | Oil & Gas Operator | Nov 2024 |
| 32266 | Yates Oil | Pawhuska, OK 74056 | Oil Operator | Mar 2015 |
| 32267 | Yates Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 32268 | Yates Oil Company | | Oil Operator | Jul 1990 |
| 32269 | Yates, Harvey E. Company | Roswell, NM 88201 | Oil & Gas Operator | Dec 2002 |
| 32270 | Yeagle George W | Warren, PA 16365-0924 | Oil Operator | Dec 2010 |
| 32271 | Yearout, Dwain L. | South Haven, KS 67140 | Oil Operator | Apr 2024 |
| 32272 | Yeates Development Corporation | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2024 |
| 32273 | Yeates, F. L. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 1997 |
| 32274 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 32275 | Yei Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 32276 | Yellow Creek Operating, LLC | | Oil & Gas Operator | Aug 2024 |
| 32277 | Yellow Dog Oil Company | | Oil Operator | Apr 1988 |
| 32278 | Yellow Rock, LLC | | Oil & Gas Operator | Jun 2024 |
| 32279 | Yellow Rose Energy, Inc. | Cottonwood Falls, KS 66845 | Gas Operator | Oct 1999 |
| 32280 | Yellow Rose Oil & Gas Oper. Inc. | Cisco, TX 76437 | Oil & Gas Operator | Nov 2024 |
| 32281 | Yellow Rose Oil & Gas Operating | Cisco, TX 76437 | Oil & Gas Operator | Jan 1996 |
| 32282 | Yellowstone Petroleums Inc. | Canada, 00100 | Oil & Gas Operator | Jul 2024 |
| 32283 | Yentzen Investments, Inc. | Sugar Land, TX 77478 | Oil Operator | May 1993 |
| 32284 | Yentzen Production, Inc. | | Oil Operator | Mar 1987 |
| 32285 | Yep, LLC | Palestine, TX 75802 | Oil Operator | Jan 2017 |
| 32286 | Yerby Bill | Ada, OK 74820-5404 | Oil Operator | Jan 2012 |
| 32287 | Yeskey, S. Kristine | Frewsburg, NY 14738 | Gas Operator | Dec 2023 |
| 32288 | Yeso Energy, Inc. | Roswell, NM 88202 | Oil & Gas Operator | May 2007 |
| 32289 | Yet Profits, L.L.C. | Wichita Falls, TX 76308 | Oil Operator | Nov 2024 |
| 32290 | Yeti Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2024 |
| 32291 | Yeubanks Barbara | Cromwell, OK 74837 | Oil Operator | Sep 2024 |
| 32292 | Yingling Oil, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2000 |
| 32293 | Ynew Corporation | Austin, TX 78747 | Oil & Gas Operator | Nov 2024 |
| 32294 | Yoak, IVy V. Dba Yoak Gas Company | Grantsville, WV 26147 | Gas Operator | Dec 2021 |
| 32295 | Yobel, Inc. | Olney, TX 76374 | Oil & Gas Operator | Nov 2024 |
| 32296 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 32297 | Yocham Oil And Gas Company | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 32298 | Yocham Oil Company | | Oil Operator | Jul 2024 |
| 32299 | Yoder Darrell Dba Double "D" | Dayton, OH 45458 | Oil & Gas Operator | Dec 2015 |
| 32300 | Yoder Oil Compan | | Oil Operator | Sep 1988 |