| 20801 | Nichols Operating LLC | Fort Branch, IN 47648 | Oil & Gas Operator | Dec 2021 |
| 20802 | Nichols P B | | Oil & Gas Operator | Nov 2019 |
| 20803 | Nichols Water Service Inc | Forgan, OK 73938 | Oil & Gas Operator | May 2018 |
| 20804 | Nichols, Carl E. | Azle, TX 76098 | Oil & Gas Operator | Aug 2004 |
| 20805 | Nichols, Irl. A. Trust B | Duncan, OK 73534 | Oil & Gas Operator | Sep 2000 |
| 20806 | Nichols, John Wesley | Little Elm, TX 75068 | Oil & Gas Operator | Jul 2011 |
| 20807 | Nichols, Manford, A General Partnership | Sublette, KS 67877 | Gas Operator | Sep 2024 |
| 20808 | Nichols,Edwin S Explorations Inc | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 20809 | Nick Oil | Abilene, TX 79601 | Oil & Gas Operator | Apr 2025 |
| 20810 | Nickel Road Operating LLC | | Oil & Gas Operator | Sep 2024 |
| 20811 | Nickell & Son Oil & Salvage | Parker, KS 66072 | Oil Operator | Aug 2006 |
| 20812 | Nickell Drilling | | Oil Operator | Jun 2010 |
| 20813 | Nickell Oil Company | Walters, OK 73572-3770 | Oil Operator | Apr 2018 |
| 20814 | Nickerson, Royal | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 20815 | Nicki T Oil & Gas LLC | Midland, TX 79711 | Oil Operator | Apr 2025 |
| 20816 | Nickle Audrey O | Okmulgee, OK 74447-2823 | Oil & Gas Operator | Apr 2020 |
| 20817 | Nicklos Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Nov 1986 |
| 20818 | Nicolaysen G G Jr | | Oil & Gas Operator | Dec 1995 |
| 20819 | Nicor Exploration | | Oil Operator | Jul 1993 |
| 20820 | Nicor Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
| 20821 | Nicor Production Company | Houston, TX 77002 | Oil & Gas Operator | May 1993 |
| 20822 | Nicor Supply Company | Golden, CO 80401 | Oil & Gas Operator | Jun 1993 |
| 20823 | Niedorf, Patrick Stephen | San Antonio, TX 78239 | Oil Operator | Jul 2001 |
| 20824 | Niefergold, Martin & Suzanne | Lawtons, NY 14091 | Gas Operator | Dec 2023 |
| 20825 | Niehage Oil Company, LLC | McPherson, KS 67460 | Oil Operator | Nov 2024 |
| 20826 | Nielco, Inc. | Billings, MT 59103 | Oil & Gas Operator | Apr 2002 |
| 20827 | Nielson & Associates Inc | Cody, WY 82414 | Oil & Gas Operator | Feb 2016 |
| 20828 | Nielson Capital Partners LLC | Cody, WY 82414 | Oil & Gas Operator | Dec 2014 |
| 20829 | Nielson Enterpri | | Oil & Gas Operator | Sep 1987 |
| 20830 | Nieset Lawrence & Christopher | Helena, OH 43435 | Oil Operator | Dec 2024 |
| 20831 | Night Owl Well Service | Cairo, WV 26337-0000 | Oil & Gas Operator | Dec 2021 |
| 20832 | Nightengale Henr | | Gas Operator | Nov 1996 |
| 20833 | Nighthawk Production LLC | | Oil & Gas Operator | Jun 2018 |
| 20834 | Nijean, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Feb 2012 |
| 20835 | Nimrod Petroleum Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Dec 2002 |
| 20836 | Nine Point Energy, LLC | | Oil & Gas Operator | Oct 2021 |
| 20837 | Nineveh Corp. | Dallas, TX 75208 | Oil & Gas Operator | Apr 2025 |
| 20838 | Niobrara Illuminating Gas Associates LLC | | Oil & Gas Operator | Oct 2009 |
| 20839 | Nip-N-Tuck Minerals, Inc. | | Gas Operator | Feb 1988 |
| 20840 | Nippon Oil Exploration USA LTD | | Oil & Gas Operator | Dec 2010 |
| 20841 | Nisrol, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Sep 2018 |
| 20842 | Nitcher, Benton L. | Wellsville, KS 66092 | Oil & Gas Operator | Dec 1995 |
| 20843 | Nitro Energy, Inc. | | Gas Operator | Dec 2005 |
| 20844 | Nitro Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 20845 | Nitro Petroleum Inc | Phoenix, AZ 85016-4599 | Oil & Gas Operator | May 2020 |
| 20846 | Nitschke, Dan E. | Henrietta, TX 76365 | Oil & Gas Operator | Apr 2025 |
| 20847 | Nivens Productions LLC | Coyle, OK 73027-9785 | Oil & Gas Operator | Aug 2024 |
| 20848 | Nix, Tommy | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 20849 | Nixon Properties Inc | Tulsa, OK 74104 | Oil & Gas Operator | Aug 2023 |
| 20850 | Nixon R P Operat | | Oil Operator | Aug 1995 |
| 20851 | Nizen, Stanley | FT Stockton, TX 79735 | Oil & Gas Operator | May 2002 |
| 20852 | Nja Operating LLC | Perryton, TX 79070 | Oil & Gas Operator | Apr 2025 |
| 20853 | Nject Disposal LLC | Houston, TX 77027 | Oil Operator | Mar 2017 |
| 20854 | NJL Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Feb 2007 |
| 20855 | Njre Operating Company | Tulsa, OK 74119 | Gas Operator | Dec 2016 |
| 20856 | NKC Energy, LLC | Bruceville, TX 76630 | Oil Operator | Apr 2025 |
| 20857 | NLC Newstead Holdings LLC | Akron, NY 14001 | Gas Operator | Dec 2023 |
| 20858 | NM&O Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2024 |
| 20859 | NMR Energy LLC | Houston, TX 77063 | Oil & Gas Operator | Apr 2025 |
| 20860 | NMT Oil Company Inc. | | Oil & Gas Operator | Dec 2024 |
| 20861 | Nne Resources LLC | Charleston, WV 25301 | Oil & Gas Operator | Dec 2021 |
| 20862 | Nnogc Exploration & Production, LLC | Window Rock, AZ 86515 | Oil & Gas Operator | Feb 2025 |
| 20863 | Noah, Calvin | Valley Center, KS 67147 | Oil Operator | Oct 2010 |
| 20864 | Noarko Resources | | Oil & Gas Operator | Mar 1990 |
| 20865 | Nobbs, Gary H. And Bosinski, Kathy | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 20866 | Nobel Petroleum USA Inc. | League City, TX 77573 | Oil Operator | Apr 2025 |
| 20867 | Noble & Cantrell Expl. Co., Inc. | Winnsboro, TX 75494 | Oil & Gas Operator | Aug 2006 |
| 20868 | Noble Drilling Corp Expl Div | Houston, TX 77042 | Oil & Gas Operator | Feb 1992 |
| 20869 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2025 |
| 20870 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Apr 2025 |
| 20871 | Noble Exploration, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 20872 | Noble Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1997 |
| 20873 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 20874 | Noble Operating Company Inc | Garden City, KS 67846 | Oil & Gas Operator | Sep 2014 |
| 20875 | Noble Operating, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Sep 2013 |
| 20876 | Noble Petroleum LLC | Lower Salem, OH 45745-9648-9648 | Oil & Gas Operator | Dec 2024 |
| 20877 | Noble Petroleum, Inc. | Wichita, KS 67205 | Oil Operator | Sep 2013 |
| 20878 | Noble Producing Company Inc. | Dallas, TX 75244 | Oil & Gas Operator | Mar 1996 |
| 20879 | Noble Resources Inc | Mannford, OK 74044 | Oil & Gas Operator | Jan 2025 |
| 20880 | Noble, Alton L | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 20881 | Nobleson Operating, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Jun 1996 |
| 20882 | Noc | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2020 |
| 20883 | Noco Investment Company Inc | Tulsa, OK 74159-0470 | Oil & Gas Operator | Mar 2005 |
| 20884 | Nodding Donkey Production | Pampa, TX 79065 | Oil & Gas Operator | Apr 2025 |
| 20885 | Noe And Woods, Et Al | | Gas Operator | Jan 2008 |
| 20886 | Noe, T. C. Oil Acct. | Selman City, TX 75689 | Oil & Gas Operator | May 1996 |
| 20887 | Noel Operating, Inc. | Huntsville, TX 77340 | Oil & Gas Operator | Oct 2000 |
| 20888 | Noex, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Apr 1998 |
| 20889 | Nog Production & Operating LLC | Goliad, TX 77963 | Oil & Gas Operator | Apr 2025 |
| 20890 | Nogp Operating Company Inc | Frisco, TX 75033 | Oil & Gas Operator | Jan 2025 |
| 20891 | Noir-Blanc | Russell, KS 67665 | Oil Operator | May 1992 |
| 20892 | Nokota Energy Corporation | Bakersfield, CA 93313 | Oil Operator | Apr 2025 |
| 20893 | Nokusu, LTD. | Dallas, TX 75231 | Oil & Gas Operator | Sep 2008 |
| 20894 | Nolen Oil & Gas | Beeville, TX 78102 | Oil & Gas Operator | Apr 2025 |
| 20895 | Nolen, Charles R. | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2006 |
| 20896 | Nolin Rural Electric Coop | Elizabethtown, KY 42701 | Gas Operator | Dec 2023 |
| 20897 | Nolt, Leonard R. And Marian M. Nolt | Dundee, NY 14837 | Gas Operator | Dec 2023 |
| 20898 | Nolte, Mike E. | Longview, TX 75606 | Oil & Gas Operator | Jun 1995 |
| 20899 | Nolte, Mike E., Inc. | Longview, TX 75606 | Oil & Gas Operator | Feb 2006 |
| 20900 | Nolteco, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2025 |