| 33801 | Yocham Oil And Gas Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 33802 | Yocham Oil Company | | Oil Operator | Sep 2025 |
| 33803 | Yoder Darrell Dba Double "D" | Dayton, OH 45458 | Oil & Gas Operator | Dec 2015 |
| 33804 | Yoder Oil Compan | | Oil Operator | Sep 1988 |
| 33805 | Yoder, Alvin G. | Welda, KS 66091 | Oil Operator | Sep 2025 |
| 33806 | Yoelin Family Trust | | Oil & Gas Operator | Dec 2025 |
| 33807 | Yontz James | Jerusalem, OH 43747 | Oil & Gas Operator | Dec 2018 |
| 33808 | Yordes Energy, LLC | El Campo, TX 77437 | Oil Operator | Feb 2026 |
| 33809 | York & Price Petroleum Corp. | San Antonio, TX 78218 | Oil & Gas Operator | Jul 2004 |
| 33810 | York E & P, LLC | Boling, TX 77420 | Oil & Gas Operator | Feb 2026 |
| 33811 | Yorkshire-Pioneer Central School District | Yorkshire, NY 14173 | Gas Operator | Dec 2024 |
| 33812 | Yost & Yost, Inc. | | Oil & Gas Operator | Dec 2020 |
| 33813 | Yost Duane V | Mount Morris, PA 15349-1331 | Gas Operator | Dec 2024 |
| 33814 | Yost Energy Inc | | Oil & Gas Operator | Nov 2025 |
| 33815 | Yost Oil Operati | | Oil Operator | Jul 1990 |
| 33816 | Yost Oil Operations, Inc. | Russell, KS 67665 | Oil Operator | May 1999 |
| 33817 | Yost Richard D Dba Yost Inc | | Oil Operator | Aug 2024 |
| 33818 | Yost, Barbra E | | Oil Operator | Dec 2018 |
| 33819 | Yost, M. A. | Russell, KS 67665 | Oil Operator | Aug 1990 |
| 33820 | Yotpolis, Joni L. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 33821 | Yotpolis, Rosemarie | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 33822 | Young H Inc | Edmond, OK 73013 | Oil & Gas Operator | Oct 1993 |
| 33823 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |
| 33824 | Young Oil Corporation | | Oil & Gas Operator | Dec 2019 |
| 33825 | Young Petroleum Service, LLC | Wichita, KS 67212 | Oil & Gas Operator | Sep 2023 |
| 33826 | Young Resources, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1999 |
| 33827 | Young Stanton L | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 2014 |
| 33828 | Young Tommy Oil Inc | Woodward, OK 73802-0893 | Oil & Gas Operator | Oct 2025 |
| 33829 | Young Z Joe | Cement, OK 73017-0600 | Oil & Gas Operator | Mar 2015 |
| 33830 | Young Zoral J | Cement, OK 73017 | Oil & Gas Operator | Sep 2000 |
| 33831 | Young, Clint Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 33832 | Young, Harvey L. | Erie, KS 66733 | Oil Operator | Feb 2008 |
| 33833 | Young, John H., Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 33834 | Young, L. M. | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |
| 33835 | Youngberg, Brian Lenn | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 33836 | Youngblood Enterprises | | Gas Operator | Dec 1983 |
| 33837 | Youngblood Enterprises, Inc. | | Oil & Gas Operator | Jan 1992 |
| 33838 | Youngblood J Lee | Dallas, TX 75221 | Oil & Gas Operator | Feb 1996 |
| 33839 | Youngblood, C. S. III | Pampa, TX 79065 | Oil & Gas Operator | Dec 2001 |
| 33840 | Younger Bernard | | Oil Operator | Nov 1992 |
| 33841 | Younger Energy C | | Oil & Gas Operator | Dec 1996 |
| 33842 | Younger Energy Company | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 33843 | Younger Enterprises Inc | Ada, OK 74821-1882 | Oil Operator | Jan 2003 |
| 33844 | Youngstown Steel Equipment Sales | Pittsburgh, PA 15238 | Oil & Gas Operator | Dec 2024 |
| 33845 | Yount Foundation Inc | | Oil Operator | Dec 2024 |
| 33846 | Yturri, Robert & John | San Antonio, TX 78205 | Oil & Gas Operator | Aug 2003 |
| 33847 | Yturria, Frank D. | Brownsville, TX 78520 | Oil & Gas Operator | Mar 2008 |
| 33848 | Yucca Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 33849 | Yucca Petroleum | | Gas Operator | Jan 1994 |
| 33850 | Yukon Exploration Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Feb 2026 |
| 33851 | Yukon Properties LLC | Villa Park, CA 92861 | Oil & Gas Operator | Sep 2017 |
| 33852 | Yuma E & P Company, Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 33853 | Yuma Oil Company | El Dorado, KS 67042 | Oil Operator | Apr 1993 |
| 33854 | Yuma Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Aug 2002 |
| 33855 | Yunker Oil Co. | | Oil & Gas Operator | Dec 1986 |
| 33856 | Yust, C. F. & R. L. | Batson, TX 77519 | Oil & Gas Operator | Sep 2002 |
| 33857 | Z & L Oil LLC | Longton, KS 67352 | Oil Operator | Sep 2025 |
| 33858 | Z & S Construction Co Inc | Kimball, NE 69145 | Oil & Gas Operator | Oct 2025 |
| 33859 | Z C Ambrose-G L Blaxton, Jr. | | Oil & Gas Operator | Apr 1983 |
| 33860 | Z G Operating LLC | Oklahoma City, OK 73134-5038 | Oil & Gas Operator | Nov 2009 |
| 33861 | Z G Exploration Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2005 |
| 33862 | Z&G Operating | Wichita Falls, TX 76302 | Oil Operator | Sep 2011 |
| 33863 | Z/F Little Buddy, L.P. | Tyler, TX 75710 | Oil & Gas Operator | Sep 2000 |
| 33864 | Zachary Oil Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 33865 | Zachris, Inc. | Mansfield, TX 76063 | Oil Operator | Oct 2021 |
| 33866 | Zachry Exploration, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Feb 2026 |
| 33867 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | Feb 2026 |
| 33868 | Zachry Exploration, LTD. | San Antonio, TX 78205 | Oil & Gas Operator | Jan 2009 |
| 33869 | Zachry Oil And Gas Properties | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 33870 | Zachry Operating | Midland, TX 79708 | Oil & Gas Operator | Jan 2011 |
| 33871 | Zachry, H. B. Company | San Antonio, TX 78205 | Oil & Gas Operator | Apr 1994 |
| 33872 | Zackson Resources, Inc. | Houston, TX 77063 | Oil & Gas Operator | Feb 2026 |
| 33873 | Zad, Inc. | | Oil Operator | May 2001 |
| 33874 | Zadeck Energy Group | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 33875 | Zadeck Energy Group, Inc. | | Oil & Gas Operator | Dec 2011 |
| 33876 | Zaf Oil | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2002 |
| 33877 | Zafar Oil & Gas, Inc. | Oklahoma City, OK 73132 | Oil Operator | Aug 2013 |
| 33878 | Zagava, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 33879 | Zajac Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Feb 2026 |
| 33880 | Zam'S Production Company | | Oil Operator | Sep 2004 |
| 33881 | Zama Petro Inc | Clinton, WA 98236-0100 | Oil & Gas Operator | Dec 2024 |
| 33882 | Zander H Corpora | | Oil & Gas Operator | Oct 1985 |
| 33883 | Zap Oil Company | Nowata, OK 74048-2640 | Oil & Gas Operator | Nov 2005 |
| 33884 | Zapata-Fender, L. L. C. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2001 |
| 33885 | Zargon Oil (ND) Inc. | | Oil & Gas Operator | Dec 2025 |
| 33886 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 33887 | Zavala Independent Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2007 |
| 33888 | Zavanna Energy Operating, LLC | | Oil & Gas Operator | Dec 2025 |
| 33889 | Zavanna Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 33890 | Zavanna, LLC | | Oil & Gas Operator | Dec 2025 |
| 33891 | Zaveri Oil & Gas LTD | Albany, KY 42602 | Oil Operator | Dec 2006 |
| 33892 | Zaza Energy, LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2026 |
| 33893 | Zca Gas Gathering Co., Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Apr 2020 |
| 33894 | Zeagler Enterprises, Inc. | | Oil & Gas Operator | Jun 2008 |
| 33895 | Zeal Production Company | Sperry, OK 74073-4714 | Oil & Gas Operator | Nov 2025 |
| 33896 | Zebra Oil And Gas | Lubbock, TX 79423 | Oil & Gas Operator | Aug 2002 |
| 33897 | Zebra Oil Company | El Campo, TX 77437 | Oil & Gas Operator | Feb 2026 |
| 33898 | Zeiders Bros. Oil & Gas Company, L.L.C. | Edmond, OK 73003 | Oil & Gas Operator | Oct 2025 |
| 33899 | Zeit Exploration Co., Inc. | | Oil & Gas Operator | May 1994 |
| 33900 | Zelaya Oil And Gas, LLC | Premont, TX 78375 | Oil & Gas Operator | Feb 2026 |