| 2901 | International Energy Corporation | Tulsa, OK 74136-3922 | Oil & Gas Operator | Dec 2018 |
| 2902 | International Ventures Inc | Pogasa Springs, CO 81147 | Oil Operator | Jul 1996 |
| 2903 | Internorth Inc | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 2904 | Interstate Explorations LLC | Houston, TX 77010 | Oil & Gas Operator | Dec 2025 |
| 2905 | Interstate Operating LLC | Tulsa, OK 74101-0535 | Oil & Gas Operator | Aug 2013 |
| 2906 | Investment Equipment LLC | FT Morgan, CO 80701 | Oil & Gas Operator | Oct 2025 |
| 2907 | Investment Operating Co | Stillwater, OK 74075-8572 | Oil Operator | Aug 2025 |
| 2908 | Investors Resources Corp | Edmond, OK 73034 | Oil & Gas Operator | Nov 2025 |
| 2909 | Invoil, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2025 |
| 2910 | Iochem Corporation | Oklahoma City, OK 73118-7483 | Oil & Gas Operator | Sep 2025 |
| 2911 | Ip Petroleum Company, Inc. | Houston, TX 77210 | Oil & Gas Operator | Mar 2008 |
| 2912 | Irex Corporation | Englewood, CO 80111 | Oil & Gas Operator | May 2000 |
| 2913 | Iron Hawk Energy Group Joint Venture | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2025 |
| 2914 | Iron Post Oil & Gas Co Inc | Bristow, OK 74010-4120 | Oil & Gas Operator | Oct 2025 |
| 2915 | Iron Sights Operating, Inc. | Stillwater, OK 74076 | Oil & Gas Operator | Jul 2022 |
| 2916 | Iron Star Energy LLC | Houston, TX 77037-1142 | Oil & Gas Operator | Oct 2025 |
| 2917 | Isaacs Billy J/Juanda R Living Trust | Konawa, OK 74849-6021 | Oil Operator | Oct 2025 |
| 2918 | Isaacs Fairy J | Konawa, OK 74849-0134 | Oil Operator | Sep 2020 |
| 2919 | Itr Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 2920 | J & E Energy Company | Oklahoma City, OK 73120-1108 | Oil & Gas Operator | Mar 2015 |
| 2921 | J & F Oil & Gas Company | Yale, OK 74085-0311 | Oil & Gas Operator | Feb 2004 |
| 2922 | J & F Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2025 |
| 2923 | J & J Energy Service LLC | Bokoshe, OK 74930 | Gas Operator | Oct 2025 |
| 2924 | J & J Jackson Oil & Gas Inc | Centerview, MO 64019 | Oil Operator | Oct 2025 |
| 2925 | J & J Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Mar 2015 |
| 2926 | J & J Oil Company LLC | Lubbock, TX 79424 | Oil Operator | Dec 2025 |
| 2927 | J & J Production Company LLC | Okemah, OK 74859 | Oil & Gas Operator | Nov 2025 |
| 2928 | J & J Tank Truck Services LLC | Peyton, CO 80831 | Oil Operator | Oct 2024 |
| 2929 | J & K Operating Co LLC | Delaware, OK 74027 | Oil & Gas Operator | Aug 2025 |
| 2930 | J & K Production LLC | Konawa, OK 74849 | Oil Operator | Oct 2025 |
| 2931 | J & L Oil Company | El Dorado, AR 71730 | Oil Operator | Jan 2025 |
| 2932 | J & M Oil Co | Overland PK, KS 66209 | Oil & Gas Operator | Sep 2025 |
| 2933 | J & M Operating Company | Pond Creek, OK 73766 | Oil Operator | Oct 2015 |
| 2934 | J & M Well Service & Trucking Inc | Bristow, OK 74010-2399 | Oil & Gas Operator | Sep 2025 |
| 2935 | J & P Production | Holdenville, OK 74848-9485 | Oil Operator | Mar 2015 |
| 2936 | J & R Enterprises | Wetumka, OK 74883-0068 | Oil & Gas Operator | Sep 2000 |
| 2937 | J & R Transports Inc | Woodward, OK 73802 | Oil & Gas Operator | Dec 2006 |
| 2938 | J & S Gas Company | Ranger, TX 76470 | Oil & Gas Operator | Oct 2003 |
| 2939 | J & S Of Enid Inc | Enid, OK 73701 | Oil & Gas Operator | Jul 2019 |
| 2940 | J & S Oil & Gas Inc | Asher, OK 74826 | Oil & Gas Operator | Oct 2025 |
| 2941 | J & S Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 2942 | J & S Operating | Shiner, TX 77984 | Oil & Gas Operator | Dec 2002 |
| 2943 | J & T Operating Inc | Norman, OK 73070-1736 | Oil & Gas Operator | Feb 2012 |
| 2944 | J & T Resources Inc | Oologah, OK 74053-0249 | Oil Operator | Aug 2013 |
| 2945 | J & Z Investments LLC | Ada, OK 74820-0065 | Oil & Gas Operator | Oct 2025 |
| 2946 | J A Marrs Oil Company Inc | Drumright, OK 74030 | Oil & Gas Operator | Aug 2024 |
| 2947 | J B Drilling Company Inc | Muldrow, OK 74948-6601 | Oil & Gas Operator | Nov 2025 |
| 2948 | J B Energy, Inc. | Denton, TX 76206 | Oil & Gas Operator | Aug 2018 |
| 2949 | J B Hulet | | Oil & Gas Operator | Aug 2013 |
| 2950 | J B Tank Trucks Inc | Blackwell, OK 74631-0464 | Oil Operator | Apr 2014 |
| 2951 | J Black Productions LLC | Seminole, OK 74868 | Oil Operator | Oct 2025 |
| 2952 | J C Petroleum Inc | Chickasha, OK 73023-1433 | Oil & Gas Operator | Dec 2013 |
| 2953 | J D Operating Company | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2005 |
| 2954 | J D Sutton Inc | Loco, OK 73442-9701 | Oil & Gas Operator | Nov 2025 |
| 2955 | J F D Inc | Houston, TX 77041-6914 | Oil & Gas Operator | Feb 2000 |
| 2956 | J F K G & Associates | Sherman, TX 75091-0758 | Oil Operator | Oct 2008 |
| 2957 | J Hurd Oil LLC | | Oil Operator | Oct 2025 |
| 2958 | J I Staley Co LLC | Okmulgee, OK 74447 | Oil & Gas Operator | Aug 2025 |
| 2959 | J J B Oil & Gas Inc | Mineral Wells, TX 76068 | Oil & Gas Operator | Nov 1996 |
| 2960 | J K Exploration & Production Inc | Fullerton, CA 92832 | Oil & Gas Operator | Dec 2025 |
| 2961 | J L Hajek Enterprises LLC | Ames, OK 73718 | Oil & Gas Operator | May 2025 |
| 2962 | J O C Operating Inc | Fort Worth, TX 76102-6823 | Oil & Gas Operator | Feb 2021 |
| 2963 | J O MC Oil & Gas Inc | Maud, OK 74854 | Oil & Gas Operator | Apr 1999 |
| 2964 | J Petroleum, Inc. | San Antonio, TX 78247 | Oil & Gas Operator | Aug 2003 |
| 2965 | J T Oil & Gas LLC | Sapulpa, OK 74066-9718 | Oil Operator | Nov 2024 |
| 2966 | J&K Fine Energy LLC | Bethany, OK 73008 | Oil & Gas Operator | Nov 2025 |
| 2967 | J&R Operating | Holliday, TX 76366 | Oil & Gas Operator | Feb 2024 |
| 2968 | J-Brex Company | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2025 |
| 2969 | J-O Oil Co | | Oil & Gas Operator | Dec 2000 |
| 2970 | J-Tag Public Saltwater | Healtdon, OK 73438 | Oil Operator | Sep 1998 |
| 2971 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Dec 2025 |
| 2972 | J. C. Oil Company | Odessa, TX 79766 | Oil & Gas Operator | Mar 2015 |
| 2973 | J.D. Pittman Operating LLC | Edmond, OK 73025 | Oil & Gas Operator | Oct 2025 |
| 2974 | J.R. Oil Company | Houston, TX 77007 | Oil & Gas Operator | Jul 2019 |
| 2975 | J/A Productions LLC | Kellyville, OK 74039-0544 | Oil Operator | Oct 2025 |
| 2976 | J3 Energy | Purcell, OK 73080 | Oil & Gas Operator | Sep 2003 |
| 2977 | J3 Energy LLC | Ada, OK 74820 | Oil Operator | Oct 2025 |
| 2978 | Jac-Mac Energy Corporation | Oklahoma City, OK 73170 | Oil & Gas Operator | Nov 2025 |
| 2979 | Jack Exploration Inc | Sulphur, OK 73086 | Oil & Gas Operator | Oct 2017 |
| 2980 | Jack Oil Company L.L.C. | Duncan, OK 73533 | Oil & Gas Operator | Oct 2025 |
| 2981 | Jackass Flats Oil & Gas Co | Edmond, OK 73013 | Gas Operator | Jan 2015 |
| 2982 | Jackson Donald W Trust | Blue Eye, MO 65611-7293 | Gas Operator | Aug 2015 |
| 2983 | Jackson Emma Trust | Duncan, OK 73534-1388 | Oil & Gas Operator | Oct 2016 |
| 2984 | Jackson Energy Development, Inc. | Cedar Park, TX 78613 | Oil & Gas Operator | Dec 2025 |
| 2985 | Jackson J M | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2005 |
| 2986 | Jackson L B Production Co | Tulsa, OK 74193-0001 | Oil & Gas Operator | Aug 2013 |
| 2987 | Jackson Oilfield Service Inc | Purcell, OK 73080-4357 | Oil & Gas Operator | Jan 2021 |
| 2988 | Jackson Petroleum Consult Inc | Dallas, TX 75287 | Oil & Gas Operator | Aug 1994 |
| 2989 | Jackson, Jeral W. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2004 |
| 2990 | Jaco Energy Company Inc | Stigler, OK 74462 | Gas Operator | Nov 2025 |
| 2991 | Jaco, Troy Inc. | Sherman, TX 75091 | Oil & Gas Operator | Dec 2025 |
| 2992 | Jacobs Jean | Hurdle Mills, NC 27541 | Oil & Gas Operator | May 2013 |
| 2993 | Jaed Oil Production Co Inc | Arkansas City, KS 67005-0902 | Oil & Gas Operator | Mar 2015 |
| 2994 | Jagger Oil LLC | Konawa, OK 74849 | Oil & Gas Operator | Nov 2025 |
| 2995 | Jai Oil | Lucien, OK 73757 | Oil & Gas Operator | Sep 2025 |
| 2996 | Jake Energy LLC | Prague, OK 74864 | Oil & Gas Operator | Jul 2021 |
| 2997 | Jakmen Inc | Edmond, OK 73034-5313 | Oil & Gas Operator | Jun 2015 |
| 2998 | James Energy Company | Okmulgee, OK 74447-0275 | Oil & Gas Operator | May 2013 |
| 2999 | James Johnny | Sapulpa, OK 74066 | Oil & Gas Operator | Oct 2025 |
| 3000 | James Larry | Guthrie, OK 73044-9622 | Oil & Gas Operator | Nov 2025 |