| 19701 | National Fuel Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Mar 2026 |
| 19702 | National Fuel Gas Supply Corporation | | Gas Operator | Dec 2010 |
| 19703 | National Investors Group | Warren, OH 44481 | Oil & Gas Operator | Nov 1996 |
| 19704 | National Offshore LP | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
| 19705 | National Oil Co Ohio The | Columbus, OH 43215 | Oil & Gas Operator | Sep 1999 |
| 19706 | National Oil Com | | Oil & Gas Operator | Oct 1992 |
| 19707 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jun 2024 |
| 19708 | National Onshore LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
| 19709 | National Petrole | | Oil & Gas Operator | Dec 1996 |
| 19710 | National Petroleum Reserves, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Apr 2012 |
| 19711 | National Pride Operating | Parker, CO 80134 | Oil & Gas Operator | Dec 2017 |
| 19712 | National Treasure Mines | San Marina, CA 91118 | Oil Operator | Dec 1998 |
| 19713 | Native Exploration Operating LLC | Oklahoma City, OK 73102-5804 | Oil & Gas Operator | Aug 2025 |
| 19714 | Native Gas Company LLC | Edmond, OK 73083-7435 | Oil & Gas Operator | Mar 2015 |
| 19715 | Natl Fuel Gas Supply Corp | Williamsville, NY 14221-5887 | Oil & Gas Operator | Dec 2009 |
| 19716 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 19717 | Natomas North America Inc | | Oil & Gas Operator | Aug 1993 |
| 19718 | Natomas-McCormick-Coastal | | Oil & Gas Operator | Feb 1984 |
| 19719 | Natrona County Holdings LLC | Austin, TX 78701 | Oil & Gas Operator | Nov 2020 |
| 19720 | Natural Capital LLC | Castle Rock, CO 80104 | Oil & Gas Operator | Dec 2009 |
| 19721 | Natural Energy Dev Corp | Pittsburgh, PA 15241-1548 | Oil & Gas Operator | Dec 2018 |
| 19722 | Natural Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jul 1997 |
| 19723 | Natural Gas & Oil, Inc. | Fayette, AL 35555 | Oil & Gas Operator | Mar 2026 |
| 19724 | Natural Gas Anadarko Company | Perryton, TX 79070 | Oil & Gas Operator | Jun 2026 |
| 19725 | Natural Gas Anadarko Inc | Perryton, TX 79070 | Oil & Gas Operator | May 1999 |
| 19726 | Natural Gas Compression Corp | Cleveland, OK 74020 | Oil & Gas Operator | Jan 2025 |
| 19727 | Natural Gas Corp Of Ca | Vernal, UT 84078 | Oil & Gas Operator | Jun 1989 |
| 19728 | Natural Gas Corp Of California | Vernal, UT 84078 | Oil & Gas Operator | Dec 1989 |
| 19729 | Natural Gas Corp. Of Calif. | | Oil & Gas Operator | Dec 1987 |
| 19730 | Natural Gas Expl | | Oil & Gas Operator | Jul 1990 |
| 19731 | Natural Gas MKTG. & Storage Co. | Houston, TX 77251 | Oil & Gas Operator | Sep 1996 |
| 19732 | Natural Gas Pipeline Co Of Am LLC | Downers Grove, IL 60515-3708 | Oil & Gas Operator | Mar 2015 |
| 19733 | Natural Gas Pipeline Co Of Amer. | Houston, TX 77002 | Gas Operator | Jul 2008 |
| 19734 | Natural Gas Processing Company | Worland, WY 82401 | Oil & Gas Operator | Mar 2026 |
| 19735 | Natural Gas Resources Inc | Davenport, IA 52809-1675 | Oil & Gas Operator | Oct 2022 |
| 19736 | Natural Gas Systems, Inc. | | Oil & Gas Operator | Dec 2002 |
| 19737 | Natural Oil & Gas Corp | Bradford, PA 16701 | Oil & Gas Operator | Dec 2023 |
| 19738 | Natural Petroleum Company | Overton, TX 75684 | Oil & Gas Operator | Jun 1994 |
| 19739 | Natural Progression Oil & Gas Corp | Stillwater, OK 74075 | Oil & Gas Operator | Feb 2026 |
| 19740 | Natural Reserves Group, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jun 1993 |
| 19741 | Natural Resource Corporation | Rock Springs, WY 82901 | Oil & Gas Operator | Sep 1983 |
| 19742 | Natural Resource Group Inc | | Oil & Gas Operator | Jan 2024 |
| 19743 | Natural Resource MGMT. Corp. | | Oil & Gas Operator | Jun 1989 |
| 19744 | Natural Resources Operating LLC | Norman, OK 73071-1295 | Oil & Gas Operator | Jan 2023 |
| 19745 | Naumann Oil & Gas, Inc. | Austin, TX 78716 | Oil & Gas Operator | Jun 2026 |
| 19746 | Nautilus Exploration LLC | Denver, CO 80218 | Oil Operator | Mar 2011 |
| 19747 | Nautilus Exploration, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 2021 |
| 19748 | Navajo Exploration, Inc. | Corpus Christ, TX 78410 | Oil & Gas Operator | Jun 2026 |
| 19749 | Navajo Nation Oil & Gas Co | Window Rock, AZ 86511 | Oil & Gas Operator | Oct 2012 |
| 19750 | Navajo Oil Company | Wichita, KS 67206 | Gas Operator | May 2011 |
| 19751 | Navalo | Rockdale, TX 76567 | Oil Operator | Jun 2026 |
| 19752 | Navarro Exploration Co., Inc. | Kingwood, TX 77345 | Oil & Gas Operator | Jun 2026 |
| 19753 | Navarro Gas Production Company | | Gas Operator | Dec 1996 |
| 19754 | Navarro Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 19755 | Navasota Resources LTD. | | Oil & Gas Operator | Sep 2002 |
| 19756 | Navidad Operating Company, LLC | Flint, TX 75762 | Oil & Gas Operator | Jan 2025 |
| 19757 | Navidad Resources, LLC | Bullard, TX 75757 | Oil & Gas Operator | Jun 2026 |
| 19758 | Navigation Powder River LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2026 |
| 19759 | Navitas Land And Mineral Development, LLC | | Oil Operator | Dec 2016 |
| 19760 | Navitas Oil & Gas LLC | | Gas Operator | Dec 2012 |
| 19761 | Navitas Resources, LLC | | Oil & Gas Operator | May 2016 |
| 19762 | Navus Operating, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Jun 2026 |
| 19763 | Naylor Operating Company LLC | Perryton, TX 79079-9703 | Oil & Gas Operator | Sep 2012 |
| 19764 | Naylor-Pritchard | | Oil Operator | Jul 1987 |
| 19765 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Jun 2026 |
| 19766 | NBL Permian LLC | Houston, TX 77070 | Oil & Gas Operator | Aug 2018 |
| 19767 | NBX Energy, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2026 |
| 19768 | NC Oil Company, Inc. | Humboldt, KS 66748 | Oil Operator | Feb 2026 |
| 19769 | Ncec, Inc. | Winnsboro, TX 75494 | Oil & Gas Operator | May 1994 |
| 19770 | Ncey Holdings, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2013 |
| 19771 | NCL Natural Resources LLC | Spring, TX 77381-5261 | Oil & Gas Operator | Dec 2017 |
| 19772 | NCM Operations, Inc. | | Oil Operator | Oct 2000 |
| 19773 | NCX Company, Inc. | | Oil & Gas Operator | Aug 1999 |
| 19774 | Nea Cross Inc | Erie, PA 16508-2769 | Gas Operator | Dec 1991 |
| 19775 | Neal Lloyd Wayne | Sapulpa, OK 74066-8216 | Oil Operator | Jan 2021 |
| 19776 | Neal, Jack Engineering, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Feb 2011 |
| 19777 | Nearburg Producing Company | Dallas, TX 75380 | Oil & Gas Operator | Jun 2026 |
| 19778 | Neas Operating | Pampa, TX 79065 | Oil & Gas Operator | Oct 2011 |
| 19779 | Neas Operating, LLC | Amarillo, TX 79159 | Oil & Gas Operator | Jun 2026 |
| 19780 | Neatherlin, Earl Inc. | Avoca, TX 79503 | Oil & Gas Operator | Jun 2026 |
| 19781 | Nebo Operating Company | | Oil & Gas Operator | Apr 1991 |
| 19782 | Nec Operating - Kansas, LLC | Southlake, TX 76092 | Oil & Gas Operator | Feb 2026 |
| 19783 | Nec Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jun 2026 |
| 19784 | Necessity Well Service | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 1994 |
| 19785 | Necessity Well Service, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 19786 | Neches Exploration, L.L.C. | Flint, TX 75762 | Oil & Gas Operator | Jun 2026 |
| 19787 | Neches Oil & Gas Company, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |
| 19788 | Neches Transport Inc. | Spurger, TX 77660 | Oil & Gas Operator | Jun 2026 |
| 19789 | Neckers, Barry And Kathy | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 19790 | Needham Resources, Inc. | | Oil & Gas Operator | Jan 1998 |
| 19791 | Neeley, June | Mineral Wells, TX 76067 | Oil & Gas Operator | Feb 2008 |
| 19792 | Neely, H. K. | Abilene, TX 79604 | Oil & Gas Operator | Dec 1995 |
| 19793 | Nees, Gordon III | Graham, TX 76450 | Oil & Gas Operator | Jun 2002 |
| 19794 | Neet Transport Co., Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Jun 2026 |
| 19795 | Neff, Harold & Associates, Inc. | Tyler, TX 75702 | Oil & Gas Operator | May 2008 |
| 19796 | Neff, Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2018 |
| 19797 | Neff, Mickey Oil Company | Colorado City, TX 79512 | Oil & Gas Operator | Jul 2023 |
| 19798 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Aug 2025 |
| 19799 | Nei Production, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Jun 2026 |
| 19800 | Neilco | | Oil & Gas Operator | Nov 2024 |