| 15001 | Jo Dunn | | Oil Operator | May 2003 |
| 15002 | Jo Mill Oil Company LLC | Fort Worth, TX 76132 | Oil & Gas Operator | May 2025 |
| 15003 | Jo-Allyn Oil Co Inc | Laverne, OK 73848 | Oil & Gas Operator | Mar 2025 |
| 15004 | Jo-Mar Industries | Winfield, KS 67156 | Oil Operator | Mar 1997 |
| 15005 | Joann Donovan Family Trust & Donald F. Donovan | Dansville, NY 14437 | Gas Operator | Dec 2023 |
| 15006 | Jobe Jr Frank | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 |
| 15007 | Jobe Oil & Gas | Comanche, OK 73529-0244 | Oil & Gas Operator | Mar 2025 |
| 15008 | Jobe SR Larry F | Morris, OK 74445 | Oil Operator | Feb 2025 |
| 15009 | Jobe, B. M. | El Paso, TX 79930 | Oil & Gas Operator | May 2025 |
| 15010 | Jody Oil & Gas Corporation | Attica, KS 67009 | Oil & Gas Operator | Jan 2025 |
| 15011 | Joe B Clifton Exploration Inc | Pauls Valley, OK 73075 | Oil & Gas Operator | Apr 2022 |
| 15012 | Joe G. Strahan | | Gas Operator | Oct 1983 |
| 15013 | Joe Gerstner Oil, LLC | Ness City, KS 67560 | Oil Operator | Jan 2025 |
| 15014 | Joe Kestner, L.L.C. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Feb 2016 |
| 15015 | Joe L Tarver | Lubbock, TX 79423 | Oil & Gas Operator | Mar 2011 |
| 15016 | Joe Lamar Oil, LLC | | Oil Operator | Jan 2025 |
| 15017 | Joe M. Burnham | | Oil Operator | May 1993 |
| 15018 | Joe Melton DRLG Co Inc | Midland, TX 79704 | Oil & Gas Operator | Sep 2005 |
| 15019 | Joe Pugh | | Oil Operator | Aug 2001 |
| 15020 | Joe R. Cheatham Oil Company | Lockhart, TX 78644 | Oil Operator | May 2025 |
| 15021 | Joe Todd Oil Project | | Oil & Gas Operator | Dec 2011 |
| 15022 | Joe W. Burrage | | Oil Operator | Jun 1986 |
| 15023 | Joe W. Elsbury | | Oil & Gas Operator | Oct 1988 |
| 15024 | Joeckel* Raymond N | | Oil Operator | Mar 2000 |
| 15025 | Joel Associates Inc. | Wichita, KS 67203 | Gas Operator | Mar 2013 |
| 15026 | Joel B. Brown | | Oil & Gas Operator | Jan 1998 |
| 15027 | Joemar Wyoming Operating LLC | | Oil & Gas Operator | Mar 2025 |
| 15028 | Jogruss Oil Corporation | | Oil & Gas Operator | Jul 1991 |
| 15029 | Johanson Oil | La Vernia, TX 78121 | Oil Operator | Dec 2023 |
| 15030 | John A Yates Jr | Artesia, NM 88211 | Oil & Gas Operator | Oct 2018 |
| 15031 | John A. Thomas | | Oil & Gas Operator | Feb 2025 |
| 15032 | John A. Thomas & Linda Thomas | | Oil Operator | Feb 2025 |
| 15033 | John B. Echols & Associates | | Oil Operator | Jun 1983 |
| 15034 | John B. Hawley, Jr. Trust #1 | | Oil Operator | Apr 1979 |
| 15035 | John C Ginther Oil, LLC | Hays, KS 67601 | Oil Operator | Jan 2025 |
| 15036 | John C. Bowers | | Oil & Gas Operator | Dec 1987 |
| 15037 | John D Caruthers Jr Et Al | | Oil & Gas Operator | Aug 1981 |
| 15038 | John D Oil & Gas Company | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 15039 | John D. Caruthers, Jr. | | Oil & Gas Operator | Apr 1983 |
| 15040 | John D. Caruthers,Jr.-Copeland | | Oil & Gas Operator | Aug 1981 |
| 15041 | John E Saul Corp | Apollo, PA 15613-8313 | Gas Operator | Dec 2024 |
| 15042 | John E Schalk | Albuquerque, NM 87125 | Oil & Gas Operator | Aug 2022 |
| 15043 | John E. McCool | Youngsville, PA 16371 | Oil Operator | Dec 2020 |
| 15044 | John E. McCool, Dba Edward Oil Company | Youngsville, PA 16371-0202 | Oil & Gas Operator | Jan 2025 |
| 15045 | John F & Lewis L Garing | Chicora, PA 16025-2037 | Oil Operator | Dec 2024 |
| 15046 | John F McConnell | Ebensburg, PA 15931-5408 | Gas Operator | Dec 2023 |
| 15047 | John F Williams Oil Field Services Inc | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 15048 | John G Brown, LLC | | Oil Operator | Dec 2024 |
| 15049 | John Gillespie | | Oil Operator | Jun 1981 |
| 15050 | John Guzman Crane Service Inc. | | Oil & Gas Operator | Mar 2025 |
| 15051 | John H Hendrix Corp | Midland, TX 797023040 | Oil & Gas Operator | Sep 2018 |
| 15052 | John H. Booth, Inc. | Tulsa, OK 74170 | Oil & Gas Operator | Jan 2025 |
| 15053 | John H. McCarter, Jr. | | Gas Operator | Nov 1990 |
| 15054 | John Henry Oil LLC | Eureka, KS 67045 | Oil Operator | Nov 2017 |
| 15055 | John J. Kasmer Farm, LLC | Elba, NY 14058 | Gas Operator | Dec 2023 |
| 15056 | John J. Welsh | | Oil & Gas Operator | Dec 2024 |
| 15057 | John L Crawford Inc | New Bethlehem, PA 16242-2113 | Oil & Gas Operator | Dec 2024 |
| 15058 | John L. Copeland | | Oil & Gas Operator | Jun 1982 |
| 15059 | John L. Cox | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 15060 | John L. Sowers | | Oil & Gas Operator | Dec 2009 |
| 15061 | John M. & W. F. Rohrig | | Oil Operator | Dec 1986 |
| 15062 | John M. Denman Oil Co., Inc. | Houston, TX 77251 | Oil Operator | Dec 2009 |
| 15063 | John N. Dewitt & Paul Graham | | Gas Operator | Dec 1989 |
| 15064 | John O. Clay Exploration, Inc. | | Oil & Gas Operator | Apr 2005 |
| 15065 | John O. Farmer, Inc. | | Oil & Gas Operator | Dec 1996 |
| 15066 | John O. Richardson Operator | | Oil & Gas Operator | Mar 2025 |
| 15067 | John P. Bogdanich Operating, LLC | Kilgore, TX 75663 | Oil Operator | May 2025 |
| 15068 | John P. Castleman, Jr. | | Oil & Gas Operator | Nov 2020 |
| 15069 | John Pestana Family Trust | | Oil & Gas Operator | Dec 1994 |
| 15070 | John R Dorr | Pecos, TX 79772 | Oil & Gas Operator | Oct 2000 |
| 15071 | John R Thompson Operating, Inc | | Oil & Gas Operator | Apr 1985 |
| 15072 | John Roy Evans Oil Company LLC | Claflin, KS 67525 | Oil Operator | Jan 2025 |
| 15073 | John S. Callon Et Al | | Oil & Gas Operator | Jan 1985 |
| 15074 | John S. Turner,Jr. | | Gas Operator | Jun 1982 |
| 15075 | John T. Martin, Jr. | | Oil Operator | Jun 1992 |
| 15076 | John T. Palmer | | Oil & Gas Operator | Jun 1982 |
| 15077 | John T. Weaver & Son | | Oil Operator | Jan 2025 |
| 15078 | John Tedesco | | Oil & Gas Operator | Mar 2025 |
| 15079 | John W. McDowell | | Oil & Gas Operator | Aug 1991 |
| 15080 | John W. McGowan | | Oil & Gas Operator | Jun 1991 |
| 15081 | John W. Mecom | | Oil & Gas Operator | Mar 1991 |
| 15082 | John W. Thomas | | Oil & Gas Operator | Jun 1993 |
| 15083 | John W. Thomas, Jr. | | Oil Operator | Jun 1993 |
| 15084 | John Warden Inc | Wellston, OK 74881-8827 | Oil & Gas Operator | Nov 2014 |
| 15085 | Johnco Petroleum, Inc. | Granbury, TX 76048 | Oil & Gas Operator | Mar 2008 |
| 15086 | Johns Daryl W | Newkirk, OK 74647-9136 | Oil Operator | Feb 2025 |
| 15087 | Johnson & Ernst Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2018 |
| 15088 | Johnson & Johnson Operating, Inc. | | Oil & Gas Operator | Jan 2025 |
| 15089 | Johnson & Lindley, Inc. | Houston, TX 77227 | Oil & Gas Operator | May 2013 |
| 15090 | Johnson & Lindley, LLC | Houston, TX 77227 | Oil & Gas Operator | May 2025 |
| 15091 | Johnson & Morris | Voss, TX 76888 | Oil & Gas Operator | May 2025 |
| 15092 | Johnson And Price | Midland, TX 79702 | Oil & Gas Operator | Dec 1995 |
| 15093 | Johnson Bates Drilling Co Inc | Konawa, OK 74849 | Oil & Gas Operator | Aug 2002 |
| 15094 | Johnson Bill M Production Co | Perry, OK 73077-1238 | Oil & Gas Operator | Oct 2018 |
| 15095 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | May 2025 |
| 15096 | Johnson Brothers Oil | Bigfoot, TX 78005 | Oil & Gas Operator | May 2025 |
| 15097 | Johnson County A | | Gas Operator | Dec 1986 |
| 15098 | Johnson Donald L | | Oil Operator | Dec 2009 |
| 15099 | Johnson Doyle T | Oklahoma City, OK 73118-1007 | Oil & Gas Operator | Jan 2013 |
| 15100 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |