| 32501 | Yingling Oil, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2000 |
| 32502 | Ynew Corporation | Austin, TX 78747 | Oil & Gas Operator | Sep 2025 |
| 32503 | Yoak, IVy V. Dba Yoak Gas Company | Grantsville, WV 26147 | Gas Operator | Dec 2021 |
| 32504 | Yobel, Inc. | Olney, TX 76374 | Oil & Gas Operator | Sep 2025 |
| 32505 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 32506 | Yocham Oil And Gas Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 32507 | Yocham Oil Company | | Oil Operator | Apr 2025 |
| 32508 | Yoder Darrell Dba Double "D" | Dayton, OH 45458 | Oil & Gas Operator | Dec 2015 |
| 32509 | Yoder Oil Compan | | Oil Operator | Sep 1988 |
| 32510 | Yoder, Alvin G. | Welda, KS 66091 | Oil Operator | Dec 2024 |
| 32511 | Yoelin Family Trust | | Oil & Gas Operator | Jul 2025 |
| 32512 | Yontz James | Jerusalem, OH 43747 | Oil & Gas Operator | Dec 2018 |
| 32513 | Yordes Energy, LLC | El Campo, TX 77437 | Oil Operator | Sep 2025 |
| 32514 | York & Price Petroleum Corp. | San Antonio, TX 78218 | Oil & Gas Operator | Jul 2004 |
| 32515 | York E & P, LLC | Boling, TX 77420 | Oil & Gas Operator | Sep 2025 |
| 32516 | Yorkshire-Pioneer Central School District | Yorkshire, NY 14173 | Gas Operator | Dec 2024 |
| 32517 | Yost & Yost, Inc. | | Oil & Gas Operator | Dec 2020 |
| 32518 | Yost Energy Inc | | Oil & Gas Operator | Jul 2025 |
| 32519 | Yost Oil Operati | | Oil Operator | Jul 1990 |
| 32520 | Yost Oil Operations, Inc. | Russell, KS 67665 | Oil Operator | May 1999 |
| 32521 | Yost Richard D Dba Yost Inc | | Oil Operator | Aug 2024 |
| 32522 | Yost, Barbra E | | Oil Operator | Dec 2018 |
| 32523 | Yost, M. A. | Russell, KS 67665 | Oil Operator | Aug 1990 |
| 32524 | Yotpolis, Joni L. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 32525 | Yotpolis, Rosemarie | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 32526 | Young H Inc | Edmond, OK 73013 | Oil & Gas Operator | Oct 1993 |
| 32527 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |
| 32528 | Young Oil Corporation | | Oil & Gas Operator | Dec 2019 |
| 32529 | Young Petroleum Service, LLC | Wichita, KS 67212 | Oil & Gas Operator | Sep 2023 |
| 32530 | Young Resources, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1999 |
| 32531 | Young Tommy Oil Inc | Woodward, OK 73802-0893 | Oil & Gas Operator | May 2025 |
| 32532 | Young Z Joe | Cement, OK 73017-0600 | Oil & Gas Operator | Mar 2015 |
| 32533 | Young Zoral J | Cement, OK 73017 | Oil & Gas Operator | Sep 2000 |
| 32534 | Young, Clint Inc. | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 32535 | Young, Harvey L. | Erie, KS 66733 | Oil Operator | Feb 2008 |
| 32536 | Young, John H., Inc. | Houston, TX 77027 | Oil & Gas Operator | Sep 2025 |
| 32537 | Young, L. M. | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |
| 32538 | Youngberg, Brian Lenn | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 32539 | Youngblood Enterprises | | Gas Operator | Dec 1983 |
| 32540 | Youngblood Enterprises, Inc. | | Oil & Gas Operator | Jan 1992 |
| 32541 | Youngblood J Lee | Dallas, TX 75221 | Oil & Gas Operator | Feb 1996 |
| 32542 | Youngblood, C. S. III | Pampa, TX 79065 | Oil & Gas Operator | Dec 2001 |
| 32543 | Younger Bernard | | Oil Operator | Nov 1992 |
| 32544 | Younger Energy C | | Oil & Gas Operator | Dec 1996 |
| 32545 | Younger Energy Company | Wichita, KS 67206 | Oil & Gas Operator | Sep 2025 |
| 32546 | Younger Enterprises Inc | Ada, OK 74821-1882 | Oil Operator | Jan 2003 |
| 32547 | Yount Foundation Inc | | Oil Operator | Dec 2024 |
| 32548 | Yturri, Robert & John | San Antonio, TX 78205 | Oil & Gas Operator | Aug 2003 |
| 32549 | Yturria, Frank D. | Brownsville, TX 78520 | Oil & Gas Operator | Mar 2008 |
| 32550 | Yucca Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 32551 | Yucca Petroleum | | Gas Operator | Jan 1994 |
| 32552 | Yukon Exploration Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Sep 2025 |
| 32553 | Yukon Properties LLC | Villa Park, CA 92861 | Oil & Gas Operator | Sep 2017 |
| 32554 | Yuma E & P Company, Inc. | Houston, TX 77027 | Oil & Gas Operator | Sep 2025 |
| 32555 | Yuma Oil Company | El Dorado, KS 67042 | Oil Operator | Apr 1993 |
| 32556 | Yuma Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Aug 2002 |
| 32557 | Yunker Oil Co. | | Oil & Gas Operator | Dec 1986 |
| 32558 | Yust, C. F. & R. L. | Batson, TX 77519 | Oil & Gas Operator | Sep 2002 |
| 32559 | Z & L Oil LLC | Longton, KS 67352 | Oil Operator | Apr 2025 |
| 32560 | Z & S Construction Co Inc | Kimball, NE 69145 | Oil & Gas Operator | Jun 2025 |
| 32561 | Z C Ambrose-G L Blaxton, Jr. | | Oil & Gas Operator | Apr 1983 |
| 32562 | Z G Operating LLC | Oklahoma City, OK 73134-5038 | Oil & Gas Operator | Nov 2009 |
| 32563 | Z G Exploration Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2005 |
| 32564 | Z&G Operating | Wichita Falls, TX 76302 | Oil Operator | Sep 2011 |
| 32565 | Z/F Little Buddy, L.P. | Tyler, TX 75710 | Oil & Gas Operator | Sep 2000 |
| 32566 | Zachary Oil Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 32567 | Zachris, Inc. | Mansfield, TX 76063 | Oil Operator | Oct 2021 |
| 32568 | Zachry Exploration, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Sep 2025 |
| 32569 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | Sep 2025 |
| 32570 | Zachry Exploration, LTD. | San Antonio, TX 78205 | Oil & Gas Operator | Jan 2009 |
| 32571 | Zachry Oil And Gas Properties | Midland, TX 79708 | Oil & Gas Operator | Sep 2025 |
| 32572 | Zachry Operating | Midland, TX 79708 | Oil & Gas Operator | Jan 2011 |
| 32573 | Zachry, H. B. Company | San Antonio, TX 78205 | Oil & Gas Operator | Apr 1994 |
| 32574 | Zackson Resources, Inc. | Houston, TX 77063 | Oil & Gas Operator | Sep 2025 |
| 32575 | Zad, Inc. | | Oil Operator | May 2001 |
| 32576 | Zadeck Energy Group | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 32577 | Zadeck Energy Group Inc | | Oil & Gas Operator | Dec 2011 |
| 32578 | Zaf Oil | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2002 |
| 32579 | Zafar Oil & Gas, Inc. | Oklahoma City, OK 73132 | Oil Operator | Aug 2013 |
| 32580 | Zagava, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2025 |
| 32581 | Zajac Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Sep 2025 |
| 32582 | Zam'S Production Company | | Oil Operator | Sep 2004 |
| 32583 | Zama Petro Inc | Clinton, WA 98236-0100 | Oil & Gas Operator | Dec 2024 |
| 32584 | Zap Oil Company | Nowata, OK 74048-2640 | Oil & Gas Operator | Nov 2005 |
| 32585 | Zapata-Fender, L. L. C. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2001 |
| 32586 | Zargon Oil (ND) Inc. | | Oil & Gas Operator | Jul 2025 |
| 32587 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2025 |
| 32588 | Zavala Independent Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2007 |
| 32589 | Zavanna Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 32590 | Zavanna, LLC | | Oil & Gas Operator | Jul 2025 |
| 32591 | Zaveri Oil & Gas LTD | Albany, KY 42602 | Oil Operator | Dec 2006 |
| 32592 | Zaza Energy, LLC | Houston, TX 77010 | Oil & Gas Operator | Sep 2025 |
| 32593 | Zca Gas Gathering Co., Inc. | Bartlesville, OK 74003 | Oil & Gas Operator | Apr 2020 |
| 32594 | Zeagler Enterprises, Inc. | | Oil & Gas Operator | Jun 2008 |
| 32595 | Zeal Production Company | Sperry, OK 74073-4714 | Oil & Gas Operator | Jun 2025 |
| 32596 | Zebra Oil And Gas | Lubbock, TX 79423 | Oil & Gas Operator | Aug 2002 |
| 32597 | Zebra Oil Company | El Campo, TX 77437 | Oil & Gas Operator | Sep 2025 |
| 32598 | Zeiders Bros Oil & Gas Co LLC | Edmond, OK 73003 | Oil & Gas Operator | May 2025 |
| 32599 | Zeit Exploration Co., Inc. | | Oil & Gas Operator | May 1994 |
| 32600 | Zelaya Oil And Gas, LLC | Premont, TX 78375 | Oil & Gas Operator | Sep 2025 |