| 20001 | NC Oil Company, Inc. | Humboldt, KS 66748 | Oil Operator | Jul 2024 |
| 20002 | Ncec, Inc. | Winnsboro, TX 75494 | Oil & Gas Operator | May 1994 |
| 20003 | Ncey Holdings, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2013 |
| 20004 | NCL Midstream Corp | The Woodlands, TX 77380-3105 | Oil & Gas Operator | Nov 2006 |
| 20005 | NCL Natural Resources LLC | Spring, TX 77381-5261-5261 | Oil & Gas Operator | Dec 2017 |
| 20006 | NCM Operations, Inc. | | Oil Operator | Oct 2000 |
| 20007 | NCX Company, Inc. | | Oil & Gas Operator | Aug 1999 |
| 20008 | Nea Cross Inc | Erie, PA 16508-2769 | Gas Operator | Dec 1991 |
| 20009 | Neal Lloyd Wayne | Sapulpa, OK 74066-8216 | Oil Operator | Jan 2021 |
| 20010 | Neal Resources LLC | Louann, AR 71751 | Oil Operator | Jul 2024 |
| 20011 | Neal, Jack Engineering, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Feb 2011 |
| 20012 | Nearburg Producing Company | Dallas, TX 75380 | Oil & Gas Operator | Nov 2024 |
| 20013 | Neas Operating | Pampa, TX 79065 | Oil & Gas Operator | Oct 2011 |
| 20014 | Neas Operating, LLC | Wimberley, TX 78676 | Oil & Gas Operator | Nov 2024 |
| 20015 | Neatherlin, Earl Inc. | Avoca, TX 79503 | Oil & Gas Operator | Nov 2024 |
| 20016 | Nebo Operating Company | | Oil & Gas Operator | Apr 1991 |
| 20017 | Nec Operating - Kansas, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jul 2024 |
| 20018 | Nec Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Nov 2024 |
| 20019 | Necessity Well Service | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 1994 |
| 20020 | Necessity Well Service, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 20021 | Neches Exploration, L.L.C. | Flint, TX 75762 | Oil & Gas Operator | Nov 2024 |
| 20022 | Neches Oil & Gas Company, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 20023 | Neches Transport Inc. | Spurger, TX 77660 | Oil & Gas Operator | Nov 2024 |
| 20024 | Neckers, Barry And Kathy | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 20025 | Needham Resources, Inc. | | Oil & Gas Operator | Jan 1998 |
| 20026 | Neeley, June | Mineral Wells, TX 76067 | Oil & Gas Operator | Feb 2008 |
| 20027 | Neely, H. K. | Abilene, TX 79604 | Oil & Gas Operator | Dec 1995 |
| 20028 | Neely, Steven A. | | Gas Operator | Dec 2021 |
| 20029 | Nees, Gordon III | Graham, TX 76450 | Oil & Gas Operator | Jun 2002 |
| 20030 | Neet Transport Co., Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Nov 2024 |
| 20031 | Neff, Harold & Associates, Inc. | Tyler, TX 75702 | Oil & Gas Operator | May 2008 |
| 20032 | Neff, Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2018 |
| 20033 | Neff, Mickey Oil Company | Colorado City, TX 79512 | Oil & Gas Operator | Jul 2023 |
| 20034 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2017 |
| 20035 | Nei Production, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Nov 2024 |
| 20036 | Neilco | | Oil & Gas Operator | May 2024 |
| 20037 | Neilson Inc | Nash, OK 73761-5026 | Oil & Gas Operator | Aug 2022 |
| 20038 | Nelco Oil & Gas | Duncan, OK 73533-1516 | Oil & Gas Operator | Oct 2015 |
| 20039 | Nell, Margaret 2015 Trust | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 20040 | Nella Company LTD | | Oil Operator | Dec 1986 |
| 20041 | Nelmark Energy Corporation | San Antonio, TX 78231 | Oil & Gas Operator | Apr 2002 |
| 20042 | Nelms Bros. Oil Properties Inc. | Austin, TX 78711 | Oil & Gas Operator | Jun 1996 |
| 20043 | Nelson Billy L Trust | Okmulgee, OK 74447-2047 | Oil & Gas Operator | Feb 2015 |
| 20044 | Nelson Energy, Inc. | | Oil & Gas Operator | May 2024 |
| 20045 | Nelson Ent | | Oil Operator | Dec 2016 |
| 20046 | Nelson Enterprises | Carmi, IL 62821 | Oil Operator | Dec 2022 |
| 20047 | Nelson Exploration Corporation | Cleveland, OK 74020-5725 | Oil & Gas Operator | Aug 2024 |
| 20048 | Nelson Oil & Gas, Inc. | | Oil & Gas Operator | Aug 1995 |
| 20049 | Nelson Oil Corporation | | Oil Operator | Jul 1983 |
| 20050 | Nelson Ralph M Enterprises Inc | | Oil Operator | Aug 2024 |
| 20051 | Nelson, James L. | Pettus, TX 78146 | Oil & Gas Operator | Nov 2024 |
| 20052 | Nelson, Nathan M. | Machias, NY 14101 | Gas Operator | Dec 2023 |
| 20053 | Nelson, Roy K. & Co. | Arlington, TX 76016 | Oil & Gas Operator | Jul 1995 |
| 20054 | Nemaha Environmental Services LLC | Enid, OK 73073 | Oil Operator | Apr 2024 |
| 20055 | Nemaha Ridge, LLC | Coffeyville, KS 67337 | Oil Operator | Aug 2022 |
| 20056 | Nemo Fund I, LLC | Sugar Land, TX 77479 | Oil & Gas Operator | May 2017 |
| 20057 | Nemours Corporation | | Gas Operator | Jan 1986 |
| 20058 | Neo Oilfield Services, LLC | Bristow, OK 74010 | Oil Operator | Oct 2015 |
| 20059 | Neodyne Drilling Corporation | Tulsa, OK 74153-0326 | Oil & Gas Operator | Apr 2020 |
| 20060 | Neok Production Company LLC | Nowata, OK 74048 | Oil & Gas Operator | Sep 2024 |
| 20061 | Neon Energy Corporation | | Oil Operator | Apr 2014 |
| 20062 | Neos Energy LLC | Columbus, OH 43220-0265-0265 | Oil & Gas Operator | Dec 2023 |
| 20063 | Neosho Operating La, LLC | | Oil Operator | Oct 2016 |
| 20064 | Neosho Operating Services LLC | Neosho, MO 64850-0179 | Oil Operator | Mar 2017 |
| 20065 | Neostar Energy Co. | Crossville, TN 38572 | Oil & Gas Operator | Feb 2019 |
| 20066 | Nepeco | Byron, WY 82412 | Oil Operator | Sep 2024 |
| 20067 | Neptune Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
| 20068 | Nerco Oil & Gas, Inc. | | Oil & Gas Operator | Dec 1996 |
| 20069 | Nerdlihc Company, Inc. | Long Beach, CA 90815 | Oil & Gas Operator | Nov 2006 |
| 20070 | Nesitor West Texas LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2024 |
| 20071 | Nesler, Charles E. | | Oil & Gas Operator | Dec 2020 |
| 20072 | Ness Crude Oil I | | Oil Operator | Mar 1994 |
| 20073 | Nester, Holly, Inc. | | Gas Operator | Dec 2021 |
| 20074 | Nestex Energy, LLC | Newtown, PA 18940 | Oil & Gas Operator | Aug 2014 |
| 20075 | Nestor Petroleum Company | | Oil & Gas Operator | Jun 1986 |
| 20076 | Netco Energy 1 LLC | | Oil Operator | Jun 2024 |
| 20077 | Nethers Brothers LLC | Newark, OH 43055 | Oil & Gas Operator | Dec 2023 |
| 20078 | Nethers Gary L | Newark, OH 43055 | Oil & Gas Operator | Dec 2023 |
| 20079 | Nethers Oil And Gas LLC | Newark, OH 43055 | Oil Operator | Dec 2023 |
| 20080 | Network Support Group LLC | Jennings, OK 74038 | Oil & Gas Operator | Aug 2024 |
| 20081 | Neu, Freddie | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2024 |
| 20082 | Neuhaus, V. F. Properties, Inc. | Palmhurst, TX 78573 | Oil & Gas Operator | Dec 2022 |
| 20083 | Neuhoff Oil & Gas Corp. | | Oil & Gas Operator | Dec 1986 |
| 20084 | Neumann Oil & Gas, LLC | Bigfoot, TX 78005 | Oil Operator | Nov 2024 |
| 20085 | Neumann Ventures, Inc. | Cisco, TX 76437 | Oil Operator | Jan 2005 |
| 20086 | Neumann, Alfred | Bigfoot, TX 78005 | Oil & Gas Operator | Aug 2003 |
| 20087 | Neumin Production Company | Point Comfort, TX 77978 | Oil & Gas Operator | Nov 2024 |
| 20088 | Nev-Tex Oil & Gas, Inc. | Reno, NV 89504 | Oil & Gas Operator | Nov 2024 |
| 20089 | Nevada Oil, LLC | El Dorado, AR 71730 | Oil & Gas Operator | Jul 2024 |
| 20090 | Nevanen Energy, Inc. | | Oil & Gas Operator | Dec 2022 |
| 20091 | New & Brasher | | Oil Operator | Mar 1982 |
| 20092 | New & Brasher Operating | | Oil Operator | Oct 1984 |
| 20093 | New & Hughes Drilling Co. Inc. | | Oil Operator | Jun 1983 |
| 20094 | New Age Oil LLC | Hays, KS 67601 | Oil & Gas Operator | Jul 2024 |
| 20095 | New Arch Energy, LLC | Gruver, TX 79040 | Oil & Gas Operator | Nov 2024 |
| 20096 | New Atlantis II, LLC | Big Spring, TX 79721 | Oil & Gas Operator | Nov 2024 |
| 20097 | New Atlantis Oil & Expl., LLC | Big Spring, TX 79721 | Oil & Gas Operator | Feb 2012 |
| 20098 | New Beginning | Seguin, TX 78156 | Oil Operator | Jun 2016 |
| 20099 | New Bremen Corporation | Austin, TX 78701 | Oil & Gas Operator | Sep 1999 |
| 20100 | New Century Energy Inc | MC Donald, PA 15057-2163 | Oil & Gas Operator | Dec 2021 |