| 801 | John D Oil & Gas Company | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 802 | John D. Caruthers, Et Al | | Oil & Gas Operator | Jun 1983 |
| 803 | John D. Caruthers, Jr. | | Oil & Gas Operator | Apr 1983 |
| 804 | John D. Caruthers,Jr.-Copeland | | Oil & Gas Operator | Aug 1981 |
| 805 | John E Saul Corp | Apollo, PA 15613-8313 | Gas Operator | Dec 2024 |
| 806 | John E Schalk | Albuquerque, NM 87125 | Oil & Gas Operator | Aug 2022 |
| 807 | John E. McCool | Youngsville, PA 16371 | Oil Operator | Dec 2020 |
| 808 | John E. McCool, Dba Edward Oil Company | Youngsville, PA 16371-0202 | Oil & Gas Operator | Oct 2025 |
| 809 | John F & Lewis L Garing | Chicora, PA 16025-2037 | Oil Operator | Dec 2024 |
| 810 | John F McConnell | Ebensburg, PA 15931-5408 | Gas Operator | Dec 2024 |
| 811 | John F Williams Oil Field Services Inc | Coshocton, OH 43812 | Oil & Gas Operator | Dec 2024 |
| 812 | John G Brown, LLC | | Oil Operator | Dec 2024 |
| 813 | John Gillespie | | Oil Operator | Jun 1981 |
| 814 | John Guzman Crane Service Inc. | | Oil & Gas Operator | Nov 2025 |
| 815 | John H Hendrix Corp | Midland, TX 797023040 | Oil & Gas Operator | Sep 2018 |
| 816 | John H. Booth, Inc. | Tulsa, OK 74170 | Oil & Gas Operator | Sep 2025 |
| 817 | John H. McCarter, Jr. | | Gas Operator | Nov 1990 |
| 818 | John Henry Oil LLC | Eureka, KS 67045 | Oil Operator | Nov 2017 |
| 819 | John J. Welsh | | Oil & Gas Operator | Dec 2024 |
| 820 | John L Crawford Inc | New Bethlehem, PA 16242-2113 | Oil & Gas Operator | Dec 2024 |
| 821 | John L. Copeland | | Oil & Gas Operator | Jun 1982 |
| 822 | John L. Cox | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 823 | John L. Sowers | | Oil & Gas Operator | Dec 2009 |
| 824 | John M. & W. F. Rohrig | | Oil Operator | Dec 1986 |
| 825 | John M. Denman Oil Co., Inc. | Houston, TX 77251 | Oil Operator | Dec 2009 |
| 826 | John N. Dewitt & Paul Graham | | Gas Operator | Dec 1989 |
| 827 | John O. Clay | | Gas Operator | May 1979 |
| 828 | John O. Clay Exploration, Inc. | | Oil & Gas Operator | Apr 2005 |
| 829 | John O. Farmer, Inc. | | Oil & Gas Operator | Dec 1996 |
| 830 | John O. Richardson Operator | | Oil & Gas Operator | Nov 2025 |
| 831 | John P. Bogdanich Operating, LLC | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 832 | John P. Castleman, Jr. | | Oil & Gas Operator | Nov 2020 |
| 833 | John Pestana Family Trust | | Oil & Gas Operator | Dec 1994 |
| 834 | John R Dorr | Pecos, TX 79772 | Oil & Gas Operator | Oct 2000 |
| 835 | John R Thompson Operating, Inc | | Oil & Gas Operator | Apr 1985 |
| 836 | John Roy Evans Oil Company LLC | Claflin, KS 67525 | Oil Operator | Sep 2025 |
| 837 | John S. Callon Et Al | | Oil & Gas Operator | Jan 1985 |
| 838 | John S. Turner,Jr. | | Gas Operator | Jun 1982 |
| 839 | John T. Martin, Jr. | | Oil Operator | Jun 1992 |
| 840 | John T. Palmer | | Oil & Gas Operator | Jun 1982 |
| 841 | John T. Weaver & Son | | Oil Operator | Jan 2025 |
| 842 | John Tedesco | | Oil & Gas Operator | Oct 2025 |
| 843 | John W. McDowell | | Oil & Gas Operator | Aug 1991 |
| 844 | John W. McGowan | | Oil & Gas Operator | Jun 1991 |
| 845 | John W. Mecom | | Oil & Gas Operator | Mar 1991 |
| 846 | John W. Thomas | | Oil & Gas Operator | Jun 1993 |
| 847 | John W. Thomas, Jr. | | Oil Operator | Jun 1993 |
| 848 | John Warden Inc | Wellston, OK 74881-8827 | Oil & Gas Operator | Nov 2014 |
| 849 | Johnco Petroleum, Inc. | Granbury, TX 76048 | Oil & Gas Operator | Mar 2008 |
| 850 | Johns Daryl W | Newkirk, OK 74647-9136 | Oil Operator | Sep 2025 |
| 851 | Johnson & Ernst Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2018 |
| 852 | Johnson & Johnson Operating, Inc. | | Oil & Gas Operator | Jan 2025 |
| 853 | Johnson & Lindley, Inc. | Houston, TX 77227 | Oil & Gas Operator | May 2013 |
| 854 | Johnson & Lindley, LLC | Houston, TX 77227 | Oil & Gas Operator | Dec 2025 |
| 855 | Johnson & Morris | Voss, TX 76888 | Oil & Gas Operator | Dec 2025 |
| 856 | Johnson And Price | Midland, TX 79702 | Oil & Gas Operator | Dec 1995 |
| 857 | Johnson Bates Drilling Co Inc | Konawa, OK 74849 | Oil & Gas Operator | Aug 2002 |
| 858 | Johnson Bill M Production Co | Perry, OK 73077-1238 | Oil & Gas Operator | Oct 2018 |
| 859 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | Dec 2025 |
| 860 | Johnson Brothers Oil | Bigfoot, TX 78005 | Oil & Gas Operator | Dec 2025 |
| 861 | Johnson County A | | Gas Operator | Dec 1986 |
| 862 | Johnson Donald L | | Oil Operator | Dec 2009 |
| 863 | Johnson Doyle T | Oklahoma City, OK 73118-1007 | Oil & Gas Operator | Jan 2013 |
| 864 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |
| 865 | Johnson E Lyle | Oklahoma City, OK 73142 | Oil & Gas Operator | Oct 2025 |
| 866 | Johnson E Wallac | | Oil Operator | Apr 1993 |
| 867 | Johnson Energy Company | | Oil & Gas Operator | Dec 1996 |
| 868 | Johnson Exploration Company | Oklahoma City, OK 73102-7008 | Oil & Gas Operator | Jun 2015 |
| 869 | Johnson Exploration Inc | Sapulpa, OK 74067-0289 | Oil & Gas Operator | Feb 2002 |
| 870 | Johnson Horace T | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2000 |
| 871 | Johnson Jr Russell V | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 1992 |
| 872 | Johnson June | Lawton, OK 73501-9624 | Oil & Gas Operator | Mar 2025 |
| 873 | Johnson M & Gingerich M | New Lexington, OH 43764 | Oil & Gas Operator | Dec 1995 |
| 874 | Johnson Mike | MT Perry, OH 43760 | Oil & Gas Operator | Dec 2018 |
| 875 | Johnson Oil & Gas Corporation | | Oil & Gas Operator | Feb 1994 |
| 876 | Johnson Oil & Gas LLC | Mount Perry, OH 43760-9641 | Oil & Gas Operator | Dec 2024 |
| 877 | Johnson Oil Co., LLC | Buffalo, KS 66717 | Oil Operator | Sep 2025 |
| 878 | Johnson Oil Company | Duncan, OK 73533 | Oil Operator | Nov 2025 |
| 879 | Johnson Oil Fiel | | Oil Operator | Sep 1992 |
| 880 | Johnson Oil, A General Partnership | Phillipsburg, KS 67661 | Oil Operator | Sep 2025 |
| 881 | Johnson Resources, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Oct 2011 |
| 882 | Johnson Royalties, Inc. | Austin, TX 78729 | Oil & Gas Operator | Jul 2002 |
| 883 | Johnson Sanford Op Co., LTD | Leander, TX 78641 | Oil & Gas Operator | Dec 2025 |
| 884 | Johnson'S Well Service | | Oil Operator | Jan 2004 |
| 885 | Johnson, A.G. | Shawnee, OK 74801 | Oil Operator | Oct 1999 |
| 886 | Johnson, Charles | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 887 | Johnson, Charles H. And Bonnie L. | Cattaraugus, NY 14719 | Gas Operator | Dec 2024 |
| 888 | Johnson, E. Wallace(Deceased) | Towanda, KS 67144 | Gas Operator | Feb 2016 |
| 889 | Johnson, L.W. & Assoc., Inc. | | Gas Operator | Jun 1989 |
| 890 | Johnson, Larry L. & Williams, Earl | | Oil Operator | Dec 1967 |
| 891 | Johnson, Mark & Troy | Sugar Grove, PA 16350 | Oil & Gas Operator | Dec 2024 |
| 892 | Johnson, Norman L. | Rantoul, KS 66079 | Oil Operator | Jan 2002 |
| 893 | Johnson, Robert E And Loyce J | Salt Rock, WV 25559 | Gas Operator | Feb 2021 |
| 894 | Johnson, Tom E. | Midland, TX 79702 | Oil & Gas Operator | Jun 2008 |
| 895 | Johnson, Tyler M. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 896 | Johnson, William D. | Fort Worth, TX 76116 | Oil & Gas Operator | Mar 2008 |
| 897 | Johnston & Owen | Tyler, TX 75710 | Oil & Gas Operator | Oct 1997 |
| 898 | Johnston Gas Service, Inc. | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 899 | Johnston Oil & Gas Inc | Bethany, OK 73008-5424 | Oil & Gas Operator | Sep 2009 |
| 900 | Johnston Voris G | Hobbs, NM 88240-2806 | Oil & Gas Operator | Aug 2013 |