| 33701 | Yobel, Inc. | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 33702 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 33703 | Yocham Oil And Gas Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 33704 | Yocham Oil Company | | Oil Operator | Sep 2025 |
| 33705 | Yoder Darrell Dba Double "D" | Dayton, OH 45458 | Oil & Gas Operator | Dec 2015 |
| 33706 | Yoder Oil Compan | | Oil Operator | Sep 1988 |
| 33707 | Yoder, Alvin G. | Welda, KS 66091 | Oil Operator | Sep 2025 |
| 33708 | Yoelin Family Trust | | Oil & Gas Operator | Dec 2025 |
| 33709 | Yontz James | Jerusalem, OH 43747 | Oil & Gas Operator | Dec 2018 |
| 33710 | Yordes Energy, LLC | El Campo, TX 77437 | Oil Operator | Feb 2026 |
| 33711 | York & Price Petroleum Corp. | San Antonio, TX 78218 | Oil & Gas Operator | Jul 2004 |
| 33712 | York E & P, LLC | Boling, TX 77420 | Oil & Gas Operator | Feb 2026 |
| 33713 | Yorkshire-Pioneer Central School District | Yorkshire, NY 14173 | Gas Operator | Dec 2024 |
| 33714 | Yost & Yost, Inc. | | Oil & Gas Operator | Dec 2020 |
| 33715 | Yost Duane V | Mount Morris, PA 15349-1331 | Gas Operator | Dec 2025 |
| 33716 | Yost Energy Inc | | Oil Operator | Dec 2016 |
| 33717 | Yost Oil Operati | | Oil Operator | Jul 1990 |
| 33718 | Yost Oil Operations, Inc. | Russell, KS 67665 | Oil Operator | May 1999 |
| 33719 | Yost Richard D Dba Yost Inc | | Oil Operator | Dec 2016 |
| 33720 | Yost, Barbra E | | Oil Operator | Dec 2018 |
| 33721 | Yost, M. A. | Russell, KS 67665 | Oil Operator | Aug 1990 |
| 33722 | Yotpolis, Joni L. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 33723 | Yotpolis, Rosemarie | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 33724 | Young H Inc | Edmond, OK 73013 | Oil & Gas Operator | Oct 1993 |
| 33725 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |
| 33726 | Young Oil Corporation | | Oil & Gas Operator | Dec 2019 |
| 33727 | Young Petroleum Service, LLC | Wichita, KS 67212 | Oil & Gas Operator | Sep 2023 |
| 33728 | Young Resources, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1999 |
| 33729 | Young Stanton L | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 2014 |
| 33730 | Young Tommy Oil Inc | Woodward, OK 73802-0893 | Oil & Gas Operator | Nov 2025 |
| 33731 | Young Z Joe | Cement, OK 73017-0600 | Oil & Gas Operator | Mar 2015 |
| 33732 | Young Zoral J | Cement, OK 73017 | Oil & Gas Operator | Sep 2000 |
| 33733 | Young, Clint Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 33734 | Young, Harvey L. | Erie, KS 66733 | Oil Operator | Feb 2008 |
| 33735 | Young, John H., Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 33736 | Young, L. M. | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |
| 33737 | Youngberg, Brian Lenn | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 33738 | Youngblood Enterprises | | Gas Operator | Dec 1983 |
| 33739 | Youngblood Enterprises, Inc. | | Oil & Gas Operator | Jan 1992 |
| 33740 | Youngblood J Lee | Dallas, TX 75221 | Oil & Gas Operator | Feb 1996 |
| 33741 | Youngblood, C. S. III | Pampa, TX 79065 | Oil & Gas Operator | Dec 2001 |
| 33742 | Younger Bernard | | Oil Operator | Nov 1992 |
| 33743 | Younger Energy C | | Oil & Gas Operator | Dec 1996 |
| 33744 | Younger Energy Company | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 33745 | Younger Enterprises Inc | Ada, OK 74821-1882 | Oil Operator | Jan 2003 |
| 33746 | Youngstown Steel Equipment Sales | Pittsburgh, PA 15238 | Oil & Gas Operator | Dec 2024 |
| 33747 | Yount Foundation Inc | | Oil Operator | Dec 2024 |
| 33748 | Yturri, Robert & John | San Antonio, TX 78205 | Oil & Gas Operator | Aug 2003 |
| 33749 | Yturria, Frank D. | Brownsville, TX 78520 | Oil & Gas Operator | Mar 2008 |
| 33750 | Yucca Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 33751 | Yucca Petroleum | | Gas Operator | Jan 1994 |
| 33752 | Yukon Exploration Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Feb 2026 |
| 33753 | Yukon Properties LLC | Villa Park, CA 92861 | Oil & Gas Operator | Sep 2017 |
| 33754 | Yuma E & P Company, Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 33755 | Yuma Oil Company | El Dorado, KS 67042 | Oil Operator | Apr 1993 |
| 33756 | Yuma Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Aug 2002 |
| 33757 | Yunker Oil Co. | | Oil & Gas Operator | Dec 1986 |
| 33758 | Yust, C. F. & R. L. | Batson, TX 77519 | Oil & Gas Operator | Sep 2002 |
| 33759 | Z & L Oil LLC | Longton, KS 67352 | Oil Operator | Sep 2025 |
| 33760 | Z & S Construction Co Inc | Kimball, NE 69145 | Oil & Gas Operator | Oct 2025 |
| 33761 | Z C Ambrose-G L Blaxton, Jr. | | Oil & Gas Operator | Apr 1983 |
| 33762 | Z G Operating LLC | Oklahoma City, OK 73134-5038 | Oil & Gas Operator | Nov 2009 |
| 33763 | Z G Exploration Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2005 |
| 33764 | Z&G Operating | Wichita Falls, TX 76302 | Oil Operator | Sep 2011 |
| 33765 | Z/F Little Buddy, L.P. | Tyler, TX 75710 | Oil & Gas Operator | Sep 2000 |
| 33766 | Zachary Oil Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 33767 | Zachris, Inc. | Mansfield, TX 76063 | Oil Operator | Oct 2021 |
| 33768 | Zachry Exploration, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Feb 2026 |
| 33769 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | Feb 2026 |
| 33770 | Zachry Exploration, LTD. | San Antonio, TX 78205 | Oil & Gas Operator | Jan 2009 |
| 33771 | Zachry Oil And Gas Properties | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 33772 | Zachry Operating | Midland, TX 79708 | Oil & Gas Operator | Jan 2011 |
| 33773 | Zachry, H. B. Company | San Antonio, TX 78205 | Oil & Gas Operator | Apr 1994 |
| 33774 | Zackson Resources, Inc. | Houston, TX 77063 | Oil & Gas Operator | Feb 2026 |
| 33775 | Zad, Inc. | | Oil Operator | May 2001 |
| 33776 | Zadeck Energy Group | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 33777 | Zadeck Energy Group, Inc. | | Oil & Gas Operator | Dec 2011 |
| 33778 | Zaf Oil | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2002 |
| 33779 | Zafar Oil & Gas, Inc. | Oklahoma City, OK 73132 | Oil Operator | Aug 2013 |
| 33780 | Zagava, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 33781 | Zajac Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Feb 2026 |
| 33782 | Zam'S Production Company | | Oil Operator | Sep 2004 |
| 33783 | Zama Petro Inc | Clinton, WA 98236-0100 | Oil & Gas Operator | Dec 2025 |
| 33784 | Zander H Corpora | | Oil & Gas Operator | Oct 1985 |
| 33785 | Zap Oil Company | Nowata, OK 74048-2640 | Oil & Gas Operator | Nov 2005 |
| 33786 | Zapata-Fender, L. L. C. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2001 |
| 33787 | Zargon Oil (ND) Inc. | | Oil & Gas Operator | Dec 2025 |
| 33788 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 33789 | Zavala Independent Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2007 |
| 33790 | Zavanna Energy Operating, LLC | | Oil & Gas Operator | Dec 2025 |
| 33791 | Zavanna Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 33792 | Zavanna, LLC | | Oil & Gas Operator | Dec 2025 |
| 33793 | Zaveri Oil & Gas LTD | Albany, KY 42602 | Oil Operator | Dec 2006 |
| 33794 | Zaza Energy, LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2026 |
| 33795 | Zca Gas Gathering Co., Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Apr 2020 |
| 33796 | Zeagler Enterprises, Inc. | | Oil & Gas Operator | Jun 2008 |
| 33797 | Zeal Production Company | Sperry, OK 74073-4714 | Oil & Gas Operator | Dec 2025 |
| 33798 | Zebra Oil And Gas | Lubbock, TX 79423 | Oil & Gas Operator | Aug 2002 |
| 33799 | Zebra Oil Company | El Campo, TX 77437 | Oil & Gas Operator | Feb 2026 |
| 33800 | Zeiders Bros. Oil & Gas Company, L.L.C. | Edmond, OK 73003 | Oil & Gas Operator | Nov 2025 |