| 31801 | Yahn & Yahn, Inc. | Hammondsport, NY 14840 | Oil & Gas Operator | Dec 2024 |
| 31802 | Yale Oil Association | Oklahoma City, OK 73105 | Gas Operator | Oct 2013 |
| 31803 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Mar 2026 |
| 31804 | Yanahosa, Inc. | Kountze, TX 77625 | Oil Operator | May 2026 |
| 31805 | Yarberry Oil Company | Wichita Falls, TX 76308-5120 | Oil & Gas Operator | Apr 2015 |
| 31806 | Yarberry Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2026 |
| 31807 | Yarberry, E. E. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2015 |
| 31808 | Yarborough Oil & Gas L.P. | Midland, TX 79701 | Oil & Gas Operator | Oct 2000 |
| 31809 | Yarborough, W. B. | Midland, TX 79701 | Oil & Gas Operator | Nov 1995 |
| 31810 | Yarbrough Oil LP | Hobbs, NM 88241 | Oil & Gas Operator | Sep 2025 |
| 31811 | Yarbrough R E | Lago VIsta, TX 78645-0005 | Oil & Gas Operator | Mar 2015 |
| 31812 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Feb 2026 |
| 31813 | Yasny Corporation | | Oil Operator | Nov 1991 |
| 31814 | Yates Drilling Co & Myco Industrial Inc | Artesia, NM 88210 | Oil & Gas Operator | Dec 1993 |
| 31815 | Yates Drilling Company | Artesia, NM 88210 | Oil & Gas Operator | Dec 2021 |
| 31816 | Yates Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | May 2026 |
| 31817 | Yates Industries, LLC | Santa Fe, NM 87501 | Oil & Gas Operator | Mar 2026 |
| 31818 | Yates Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 31819 | Yates Oil Company | | Oil Operator | Jul 1990 |
| 31820 | Yates, Earl R | | Oil Operator | Mar 2015 |
| 31821 | Yates, Harvey E. Company | Roswell, NM 88201 | Oil & Gas Operator | Dec 2002 |
| 31822 | Yeagle George W | Warren, PA 16365-0924 | Oil Operator | Dec 2010 |
| 31823 | Yearout, Dwain L. | South Haven, KS 67140 | Oil Operator | Nov 2025 |
| 31824 | Yeates Development Corporation | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 31825 | Yeates, F. L. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 1997 |
| 31826 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 31827 | Yei Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 31828 | Yellow Creek Operating, LLC | | Oil & Gas Operator | Oct 2025 |
| 31829 | Yellow Dog Oil Company | | Oil Operator | Apr 1988 |
| 31830 | Yellow Rock, LLC | | Oil & Gas Operator | Dec 2024 |
| 31831 | Yellow Rose Oil & Gas Oper. Inc. | Cisco, TX 76437 | Oil & Gas Operator | May 2026 |
| 31832 | Yellow Rose Oil & Gas Operating | Cisco, TX 76437 | Oil & Gas Operator | Jan 1996 |
| 31833 | Yellowbird Energy LLC | Canonsburgh, PA 15317 | Gas Operator | Dec 2025 |
| 31834 | Yellowstone Petroleums Inc. | Canada, 00100 | Oil & Gas Operator | Jan 2026 |
| 31835 | Yentzen Investments, Inc. | Sugar Land, TX 77478 | Oil Operator | May 1993 |
| 31836 | Yentzen Production, Inc. | | Oil Operator | Mar 1987 |
| 31837 | Yep, LLC | Palestine, TX 75802 | Oil Operator | Jan 2017 |
| 31838 | Yerby Bill | Ada, OK 74820-5404 | Oil Operator | Jan 2012 |
| 31839 | Yeskey, S. Kristine | Frewsburg, NY 14738 | Gas Operator | Dec 2024 |
| 31840 | Yeso Energy, Inc. | Roswell, NM 88202 | Oil & Gas Operator | May 2007 |
| 31841 | Yet Profits, L.L.C. | Wichita Falls, TX 76308 | Oil Operator | May 2026 |
| 31842 | Yeti Exploration, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | May 2026 |
| 31843 | Yeubanks Barbara | Cromwell, OK 74837 | Oil Operator | Mar 2026 |
| 31844 | Yingling Oil, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2000 |
| 31845 | Ynew Corporation | Austin, TX 78747 | Oil & Gas Operator | May 2026 |
| 31846 | Yobel, Inc. | Olney, TX 76374 | Oil & Gas Operator | May 2026 |
| 31847 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 31848 | Yocham Oil And Gas Company | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 31849 | Yocham Oil Company | | Oil Operator | Jan 2026 |
| 31850 | Yoder Darrell Dba Double "D" | Dayton, OH 45458 | Oil & Gas Operator | Dec 2015 |
| 31851 | Yoder Oil Compan | | Oil Operator | Sep 1988 |
| 31852 | Yoder, Alvin G. | Welda, KS 66091 | Oil Operator | Sep 2025 |
| 31853 | Yoelin Family Trust | | Oil & Gas Operator | Mar 2026 |
| 31854 | Yontz James | Jerusalem, OH 43747 | Oil & Gas Operator | Dec 2018 |
| 31855 | Yordes Energy, LLC | El Campo, TX 77437 | Oil Operator | May 2026 |
| 31856 | York & Price Petroleum Corp. | San Antonio, TX 78218 | Oil & Gas Operator | Jul 2004 |
| 31857 | York E & P, LLC | Boling, TX 77420 | Oil & Gas Operator | May 2026 |
| 31858 | Yorkshire-Pioneer Central School District | Yorkshire, NY 14173 | Gas Operator | Dec 2024 |
| 31859 | Yost & Yost, Inc. | | Oil & Gas Operator | Dec 2020 |
| 31860 | Yost Energy Inc | | Oil & Gas Operator | Mar 2026 |
| 31861 | Yost Oil Operati | | Oil Operator | Jul 1990 |
| 31862 | Yost Oil Operations, Inc. | Russell, KS 67665 | Oil Operator | May 1999 |
| 31863 | Yost Richard D Dba Yost Inc | | Oil Operator | Aug 2024 |
| 31864 | Yost, Barbra E | | Oil Operator | Dec 2018 |
| 31865 | Yost, M. A. | Russell, KS 67665 | Oil Operator | Aug 1990 |
| 31866 | Yotpolis, Joni L. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 31867 | Yotpolis, Rosemarie | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 31868 | Young H Inc | Edmond, OK 73013 | Oil & Gas Operator | Oct 1993 |
| 31869 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |
| 31870 | Young Oil Corporation | | Oil & Gas Operator | Dec 2019 |
| 31871 | Young Petroleum Service, LLC | Wichita, KS 67212 | Oil & Gas Operator | Sep 2023 |
| 31872 | Young Resources, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1999 |
| 31873 | Young Tommy Oil Inc | Woodward, OK 73802-0893 | Oil & Gas Operator | Feb 2026 |
| 31874 | Young Z Joe | Cement, OK 73017-0600 | Oil & Gas Operator | Mar 2015 |
| 31875 | Young Zoral J | Cement, OK 73017 | Oil & Gas Operator | Sep 2000 |
| 31876 | Young, Clint Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 31877 | Young, Harvey L. | Erie, KS 66733 | Oil Operator | Feb 2008 |
| 31878 | Young, John H., Inc. | Houston, TX 77027 | Oil & Gas Operator | May 2026 |
| 31879 | Young, L. M. | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |
| 31880 | Youngberg, Brian Lenn | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 31881 | Youngblood Enterprises | | Gas Operator | Dec 1983 |
| 31882 | Youngblood Enterprises, Inc. | | Oil & Gas Operator | Jan 1992 |
| 31883 | Youngblood J Lee | Dallas, TX 75221 | Oil & Gas Operator | Feb 1996 |
| 31884 | Youngblood, C. S. III | Pampa, TX 79065 | Oil & Gas Operator | Dec 2001 |
| 31885 | Younger Bernard | | Oil Operator | Nov 1992 |
| 31886 | Younger Energy C | | Oil & Gas Operator | Dec 1996 |
| 31887 | Younger Energy Company | Wichita, KS 67206 | Oil & Gas Operator | May 2026 |
| 31888 | Younger Enterprises Inc | Ada, OK 74821-1882 | Oil Operator | Jan 2003 |
| 31889 | Yount Foundation Inc | | Oil Operator | Dec 2024 |
| 31890 | Yturri, Robert & John | San Antonio, TX 78205 | Oil & Gas Operator | Aug 2003 |
| 31891 | Yturria, Frank D. | Brownsville, TX 78520 | Oil & Gas Operator | Mar 2008 |
| 31892 | Yucca Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 31893 | Yukon Exploration Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | May 2026 |
| 31894 | Yukon Properties LLC | Villa Park, CA 92861 | Oil & Gas Operator | Sep 2017 |
| 31895 | Yuma E & P Company, Inc. | Houston, TX 77027 | Oil & Gas Operator | May 2026 |
| 31896 | Yuma Oil Company | El Dorado, KS 67042 | Oil Operator | Apr 1993 |
| 31897 | Yuma Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Aug 2002 |
| 31898 | Yunker Oil Co. | | Oil & Gas Operator | Dec 1986 |
| 31899 | Yust, C. F. & R. L. | Batson, TX 77519 | Oil & Gas Operator | Sep 2002 |
| 31900 | Z & L Oil LLC | Longton, KS 67352 | Oil Operator | Jan 2026 |