| 13701 | Indian Exploration, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Sep 2026 |
| 13702 | Indian Hill Gas Co Inc | | Oil & Gas Operator | Dec 2025 |
| 13703 | Indian Hills Resources LLC | Williamsburg, MI 49690 | Oil & Gas Operator | Dec 2025 |
| 13704 | Indian Nation Energy Company | Wewoka, OK 74884-3456 | Oil & Gas Operator | Apr 2020 |
| 13705 | Indian Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Sep 2026 |
| 13706 | Indian Oil LTD. | Whitsett, TX 78075 | Oil & Gas Operator | Sep 2026 |
| 13707 | Indian Territory Operating LLC | Salado, TX 76571 | Oil & Gas Operator | Jun 2025 |
| 13708 | Indian Wells Oil | | Oil & Gas Operator | Jul 1995 |
| 13709 | Indian Wells Oil Co | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2000 |
| 13710 | Indiana Petroleum Cont | | Oil Operator | Dec 2024 |
| 13711 | Indiana Petroleum Contractors Inc. | | Oil Operator | Dec 2024 |
| 13712 | Indianola Oil Inc | Bartlesville, OK 74005 | Oil & Gas Operator | Aug 2000 |
| 13713 | Indiek, John | Offerle, KS 67563 | Oil Operator | Nov 2005 |
| 13714 | Indigo Haynesville LLC | | Gas Operator | Feb 2018 |
| 13715 | Indigo II Louisiana Operating LLC | | Oil & Gas Operator | Feb 2015 |
| 13716 | Indigo Minerals LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2022 |
| 13717 | Indigo Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2019 |
| 13718 | Indrex Inc | Tulsa, OK 74133 | Oil & Gas Operator | Dec 2000 |
| 13719 | Industrial Gas Services Inc | Wheat Ridge, CO 80033 | Oil & Gas Operator | Feb 2023 |
| 13720 | Industrial Pollution Control | | Oil & Gas Operator | Mar 1985 |
| 13721 | Industry Standard Supplies Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2025 |
| 13722 | Indy Oil, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2004 |
| 13723 | Ineos USA Oil & Gas LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2026 |
| 13724 | Inexco Oil Company | Houston, TX 77210 | Oil & Gas Operator | Mar 2013 |
| 13725 | Inferno Energy | Yates Center, KS 66783 | Oil Operator | May 2026 |
| 13726 | Infield Discovery LLC | Madison, MS 39110 | Oil & Gas Operator | Apr 2026 |
| 13727 | Infinity Oil & Gas Inc | Nowata, OK 74048 | Oil Operator | Jun 1993 |
| 13728 | Infinity Oil & Gas Of TX, Inc. | Overland Park, KS 66210 | Oil & Gas Operator | Sep 2026 |
| 13729 | Infinity Oil & Gas Of Wyoming | Rock Springs, WY 82902 | Oil & Gas Operator | Feb 2009 |
| 13730 | Infinity Oil And Gas, L.L.C. | | Oil & Gas Operator | Dec 2024 |
| 13731 | Infinity Oil, Inc. | Hays, KS 67601 | Oil Operator | May 2026 |
| 13732 | Inflection Energy (Pa) LLC | Montoursville, PA 17754-9702 | Gas Operator | Mar 2025 |
| 13733 | Inflow Petroleum Resources LP | Dallas, TX 75240 | Oil & Gas Operator | Sep 2008 |
| 13734 | Ingersoll Oil Inc | Hominy, OK 74035 | Oil & Gas Operator | Jun 2000 |
| 13735 | Ingersoll Rosinbaum Oil Inc | | Oil & Gas Operator | Jun 2026 |
| 13736 | Ingo Energy, LLC | | Oil & Gas Operator | Dec 2016 |
| 13737 | Ingram Exploration Inc | Seminole, OK 74868 | Oil & Gas Operator | Jul 2026 |
| 13738 | Ingram, J. Oil & Gas, Inc. | Plano, TX 75074 | Oil & Gas Operator | Sep 2026 |
| 13739 | Initial Energy Services, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2026 |
| 13740 | Inject Technologies Inc. | Andrews, TX 79714 | Oil Operator | Sep 2026 |
| 13741 | Injection Well Service | Lone Grove, OK 73443-0156 | Oil Operator | Apr 2005 |
| 13742 | Inlan Oceans, LLC | Coffeyville, KS 67337 | Oil Operator | Mar 2026 |
| 13743 | Inland Drilling Co Inc | Garretsville, OH 44231 | Oil & Gas Operator | Dec 1992 |
| 13744 | Inland Gas Corp. | Houston, TX 77036 | Oil Operator | Dec 2011 |
| 13745 | Inland Minerals Management, Inc. | Austin, TX 78701 | Oil & Gas Operator | Sep 2026 |
| 13746 | Inland Ocean, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Sep 2026 |
| 13747 | Inland Oil And Gas | Nacogdoches, TX 75961 | Oil & Gas Operator | Dec 1997 |
| 13748 | Inland Oil And Gas Corp. | | Gas Operator | Jun 2014 |
| 13749 | Inland Oil Corporation | Sapulpa, OK 74067 | Oil & Gas Operator | Jul 2026 |
| 13750 | Inland Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2026 |
| 13751 | Inland Petroleum | Newark, OH 43055 | Oil Operator | Dec 2009 |
| 13752 | Inland Petroleum Company | | Oil & Gas Operator | Dec 1997 |
| 13753 | Inland Production Company | Vernal, UT 84079 | Oil & Gas Operator | Dec 2004 |
| 13754 | Inman Oil LLC | Ruidoso, NM 88355 | Oil Operator | Jul 2026 |
| 13755 | Innes Petroleum | | Oil Operator | Nov 1994 |
| 13756 | Innex California Inc. | | Oil & Gas Operator | Jun 2026 |
| 13757 | Innovative Energy Production, LLC | | Oil Operator | Dec 2025 |
| 13758 | Innovative Exploration, LLC | Cincinnati, OH 45219 | Oil Operator | Dec 2024 |
| 13759 | Innovative Frac & Drilling Solut | Richmond, TX 77406 | Oil Operator | Sep 2026 |
| 13760 | Innovative Resources, Inc. | | Oil Operator | Feb 2022 |
| 13761 | Innoverse Production, LLC | Gainesville, TX 76240 | Oil & Gas Operator | Jan 2026 |
| 13762 | Inpetco, Inc. | | Oil & Gas Operator | Aug 1991 |
| 13763 | Inpex Eagle Ford, LLC | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2022 |
| 13764 | Inr Ohio LLC | Morgantown, WV 26508-9209 | Oil & Gas Operator | Jun 2026 |
| 13765 | Inr Opr LLC | | Gas Operator | Jun 2026 |
| 13766 | Inspire Oil And Gas Inc. | Katy, TX 77449 | Oil Operator | Sep 2026 |
| 13767 | Instrat Inc. | | Oil & Gas Operator | Dec 1992 |
| 13768 | Int'L Petr & Expl Opr Corp | | Oil & Gas Operator | Jan 2012 |
| 13769 | Integras Operating, LLC | Irving, TX 75062 | Oil & Gas Operator | Sep 2026 |
| 13770 | Integrated Energy Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 13771 | Integrated Energy Service Corp | Cleveland, OK 74020 | Oil & Gas Operator | Nov 1998 |
| 13772 | Integrated Exploration & Production LLC | | Oil & Gas Operator | Aug 2024 |
| 13773 | Integrated Operating Corporation | Dallas, TX 75243 | Oil & Gas Operator | Sep 2026 |
| 13774 | Integrated Petroleum Corporation | Denver, CO 80202 | Oil Operator | Jan 2010 |
| 13775 | Integrity Funding Sys Inc | | Gas Operator | Dec 2007 |
| 13776 | Integrity Oil & Gas | Golden, CO 80401 | Oil & Gas Operator | May 2011 |
| 13777 | Inter-American Energy Corp. | Toronto, On Canada M5a1n1, 33139 | Gas Operator | Dec 2019 |
| 13778 | Inter-American Petroleum | | Oil & Gas Operator | Dec 2006 |
| 13779 | Inter-State Ener | | Oil Operator | Oct 1987 |
| 13780 | Inter-States Oil & Gas Inc | Edmond, OK 73003-0023 | Oil & Gas Operator | Apr 2020 |
| 13781 | Intercity Management Corp. | Corpus Christ, TX 78412 | Oil & Gas Operator | Sep 2026 |
| 13782 | Intercoast Oil And Gas | Tulsa, OK 74136 | Oil & Gas Operator | Mar 1997 |
| 13783 | Intercoast Oil And Gas Company | Tulsa, OK 74136 | Oil & Gas Operator | Jun 1997 |
| 13784 | Intercoastal Energy, Inc. | Houston, TX 77055 | Oil & Gas Operator | Aug 2003 |
| 13785 | Intercoastal Operating Co. | | Oil Operator | Dec 1980 |
| 13786 | Intercontinental Petroleum | | Oil Operator | Oct 2012 |
| 13787 | Intercontinental Tech Group Inc. | | Oil & Gas Operator | Dec 2004 |
| 13788 | Intergrated Drill & Expl Inc | Tulsa, OK 74136-1071 | Oil & Gas Operator | Sep 1994 |
| 13789 | Intergrated Petroleum Corp. | Abilene, TX 79602 | Oil & Gas Operator | Sep 2026 |
| 13790 | Intergy Production LLC | Edmond, OK 73083 | Oil & Gas Operator | Jul 2026 |
| 13791 | Intergy, Inc. | Lomita, CA 90717 | Oil Operator | Jun 1997 |
| 13792 | Interior Oil Cor | | Gas Operator | Jun 1990 |
| 13793 | Interior Oil Corporation | Derby, KS 67037 | Oil & Gas Operator | Jan 2023 |
| 13794 | Interline Resources Corp | Casper, WY 82601 | Oil & Gas Operator | Oct 2009 |
| 13795 | Intermountain Operating, Inc. | Billings, MT 59103 | Oil & Gas Operator | Jul 2001 |
| 13796 | Intermountain Petroleum Co | | Oil Operator | Dec 2011 |
| 13797 | Intermountain Refining Co, Inc | Farmington, NM 87499 | Gas Operator | Aug 2006 |
| 13798 | International Basic Res., Inc. | Abilene, TX 79604 | Oil & Gas Operator | May 1996 |
| 13799 | International Energy Company LLC | Tulsa, OK 74136-3922 | Oil & Gas Operator | Jun 2026 |
| 13800 | International Energy Corporation | Tulsa, OK 74136-3922 | Oil & Gas Operator | Dec 2018 |