| 801 | John Guzman Crane Service Inc. | | Oil & Gas Operator | Aug 2025 |
| 802 | John H Hendrix Corp | Midland, TX 797023040 | Oil & Gas Operator | Sep 2018 |
| 803 | John H. Booth, Inc. | Tulsa, OK 74170 | Oil & Gas Operator | Jun 2025 |
| 804 | John H. McCarter, Jr. | | Gas Operator | Nov 1990 |
| 805 | John Henry Oil LLC | Eureka, KS 67045 | Oil Operator | Nov 2017 |
| 806 | John J. Welsh | | Oil & Gas Operator | Dec 2024 |
| 807 | John L Crawford Inc | New Bethlehem, PA 16242-2113 | Oil & Gas Operator | Dec 2024 |
| 808 | John L. Copeland | | Oil & Gas Operator | Jun 1982 |
| 809 | John L. Cox | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 810 | John L. Sowers | | Oil & Gas Operator | Dec 2009 |
| 811 | John M. & W. F. Rohrig | | Oil Operator | Dec 1986 |
| 812 | John M. Denman Oil Co., Inc. | Houston, TX 77251 | Oil Operator | Dec 2009 |
| 813 | John N. Dewitt & Paul Graham | | Gas Operator | Dec 1989 |
| 814 | John O. Clay Exploration, Inc. | | Oil & Gas Operator | Apr 2005 |
| 815 | John O. Farmer, Inc. | | Oil & Gas Operator | Dec 1996 |
| 816 | John O. Richardson Operator | | Oil & Gas Operator | Aug 2025 |
| 817 | John P. Bogdanich Operating, LLC | Kilgore, TX 75663 | Oil Operator | Oct 2025 |
| 818 | John P. Castleman, Jr. | | Oil & Gas Operator | Nov 2020 |
| 819 | John Pestana Family Trust | | Oil & Gas Operator | Dec 1994 |
| 820 | John R Dorr | Pecos, TX 79772 | Oil & Gas Operator | Oct 2000 |
| 821 | John R Thompson Operating, Inc | | Oil & Gas Operator | Apr 1985 |
| 822 | John Roy Evans Oil Company LLC | Claflin, KS 67525 | Oil Operator | Jun 2025 |
| 823 | John S. Callon Et Al | | Oil & Gas Operator | Jan 1985 |
| 824 | John S. Turner,Jr. | | Gas Operator | Jun 1982 |
| 825 | John T. Martin, Jr. | | Oil Operator | Jun 1992 |
| 826 | John T. Palmer | | Oil & Gas Operator | Jun 1982 |
| 827 | John T. Weaver & Son | | Oil Operator | Jan 2025 |
| 828 | John Tedesco | | Oil & Gas Operator | Jul 2025 |
| 829 | John W. McDowell | | Oil & Gas Operator | Aug 1991 |
| 830 | John W. McGowan | | Oil & Gas Operator | Jun 1991 |
| 831 | John W. Mecom | | Oil & Gas Operator | Mar 1991 |
| 832 | John W. Thomas | | Oil & Gas Operator | Jun 1993 |
| 833 | John W. Thomas, Jr. | | Oil Operator | Jun 1993 |
| 834 | John Warden Inc | Wellston, OK 74881-8827 | Oil & Gas Operator | Nov 2014 |
| 835 | Johnco Petroleum, Inc. | Granbury, TX 76048 | Oil & Gas Operator | Mar 2008 |
| 836 | Johns Daryl W | Newkirk, OK 74647-9136 | Oil Operator | May 2025 |
| 837 | Johnson & Ernst Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2018 |
| 838 | Johnson & Johnson Operating, Inc. | | Oil & Gas Operator | Jan 2025 |
| 839 | Johnson & Lindley, Inc. | Houston, TX 77227 | Oil & Gas Operator | May 2013 |
| 840 | Johnson & Lindley, LLC | Houston, TX 77227 | Oil & Gas Operator | Oct 2025 |
| 841 | Johnson & Morris | Voss, TX 76888 | Oil & Gas Operator | Oct 2025 |
| 842 | Johnson And Price | Midland, TX 79702 | Oil & Gas Operator | Dec 1995 |
| 843 | Johnson Bates Drilling Co Inc | Konawa, OK 74849 | Oil & Gas Operator | Aug 2002 |
| 844 | Johnson Bill M Production Co | Perry, OK 73077-1238 | Oil & Gas Operator | Oct 2018 |
| 845 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | Oct 2025 |
| 846 | Johnson Brothers Oil | Bigfoot, TX 78005 | Oil & Gas Operator | Oct 2025 |
| 847 | Johnson County A | | Gas Operator | Dec 1986 |
| 848 | Johnson Donald L | | Oil Operator | Dec 2009 |
| 849 | Johnson Doyle T | Oklahoma City, OK 73118-1007 | Oil & Gas Operator | Jan 2013 |
| 850 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |
| 851 | Johnson E Lyle | Oklahoma City, OK 73142 | Oil & Gas Operator | Jun 2025 |
| 852 | Johnson E Wallac | | Oil Operator | Apr 1993 |
| 853 | Johnson Energy Company | | Oil & Gas Operator | Dec 1996 |
| 854 | Johnson Exploration Company | Oklahoma City, OK 73102-7008 | Oil & Gas Operator | Jun 2015 |
| 855 | Johnson Exploration Inc | Sapulpa, OK 74067-0289 | Oil & Gas Operator | Feb 2002 |
| 856 | Johnson Horace T | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2000 |
| 857 | Johnson Jr Russell V | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 1992 |
| 858 | Johnson June | Lawton, OK 73501-9624 | Oil & Gas Operator | Mar 2025 |
| 859 | Johnson M & Gingerich M | New Lexington, OH 43764 | Oil & Gas Operator | Dec 1995 |
| 860 | Johnson Mike | MT Perry, OH 43760 | Oil & Gas Operator | Dec 2018 |
| 861 | Johnson Oil & Gas Corporation | | Oil & Gas Operator | Feb 1994 |
| 862 | Johnson Oil & Gas LLC | Mount Perry, OH 43760-9641 | Oil & Gas Operator | Dec 2024 |
| 863 | Johnson Oil Co., LLC | Buffalo, KS 66717 | Oil Operator | Jun 2025 |
| 864 | Johnson Oil Company | Duncan, OK 73533 | Oil Operator | Jun 2025 |
| 865 | Johnson Oil Fiel | | Oil Operator | Sep 1992 |
| 866 | Johnson Oil, A General Partnership | Phillipsburg, KS 67661 | Oil Operator | Jun 2025 |
| 867 | Johnson Resources, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Oct 2011 |
| 868 | Johnson Royalties, Inc. | Austin, TX 78729 | Oil & Gas Operator | Jul 2002 |
| 869 | Johnson Sanford Op Co., LTD | Leander, TX 78641 | Oil & Gas Operator | Oct 2025 |
| 870 | Johnson'S Well Service | | Oil Operator | Jan 2004 |
| 871 | Johnson, A.G. | Shawnee, OK 74801 | Oil Operator | Oct 1999 |
| 872 | Johnson, Charles | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 873 | Johnson, Charles H. And Bonnie L. | Cattaraugus, NY 14719 | Gas Operator | Dec 2024 |
| 874 | Johnson, E. Wallace(Deceased) | Towanda, KS 67144 | Gas Operator | Feb 2016 |
| 875 | Johnson, L.W. & Assoc., Inc. | | Gas Operator | Jun 1989 |
| 876 | Johnson, Larry L. & Williams, Earl | | Oil Operator | Dec 1967 |
| 877 | Johnson, Mark & Troy | Sugar Grove, PA 16350 | Oil & Gas Operator | Dec 2024 |
| 878 | Johnson, Norman L. | Rantoul, KS 66079 | Oil Operator | Jan 2002 |
| 879 | Johnson, Robert E And Loyce J | Salt Rock, WV 25559 | Gas Operator | Feb 2021 |
| 880 | Johnson, Tom E. | Midland, TX 79702 | Oil & Gas Operator | Jun 2008 |
| 881 | Johnson, Tyler M. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 882 | Johnson, William D. | Fort Worth, TX 76116 | Oil & Gas Operator | Mar 2008 |
| 883 | Johnston & Owen | Tyler, TX 75710 | Oil & Gas Operator | Oct 1997 |
| 884 | Johnston Gas Service, Inc. | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 885 | Johnston Oil & Gas Inc | Bethany, OK 73008-5424 | Oil & Gas Operator | Sep 2009 |
| 886 | Johnston Voris G | Hobbs, NM 88240-2806 | Oil & Gas Operator | Aug 2013 |
| 887 | Joie Oil & Gas Inc | Sapulpa, OK 74067 | Oil & Gas Operator | Dec 1998 |
| 888 | Joiner, Pat | Wichita Falls, TX 76302 | Oil & Gas Operator | Oct 2025 |
| 889 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | Oct 2025 |
| 890 | Jojon Petroleum Company | Dallas, TX 75219 | Oil & Gas Operator | May 2025 |
| 891 | Jolen Operating Co Of La. | | Oil & Gas Operator | Dec 1993 |
| 892 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2025 |
| 893 | Jonah Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2025 |
| 894 | Jonathan Oil | El Dorado, KS 67042 | Oil Operator | Feb 2002 |
| 895 | Jonco | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2025 |
| 896 | Jones & Assoc | | Oil & Gas Operator | Sep 1996 |
| 897 | Jones & Buck Development, LLC | Sedan, KS 67361 | Oil & Gas Operator | Jun 2025 |
| 898 | Jones & Pellow Oil Co | Oklahoma City, OK 73118-1115 | Oil & Gas Operator | Feb 2015 |
| 899 | Jones & Sons Wel | | Oil Operator | Feb 1990 |
| 900 | Jones & Whittington Oil Co. | Coleman, TX 76834 | Oil & Gas Operator | Feb 2004 |