| 20001 | New Gulf Resources, LLC | Tulsa, OK 74133 | Oil & Gas Operator | May 2018 |
| 20002 | New Height Energy, LLC | Houston, TX 77063 | Oil & Gas Operator | Sep 2024 |
| 20003 | New Horizon Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jun 2006 |
| 20004 | New Horizon Investments LTD. | George West, TX 78022 | Oil & Gas Operator | Sep 2024 |
| 20005 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Sep 2024 |
| 20006 | New Lift Inc | Nowata, OK 74048-0245 | Oil & Gas Operator | Mar 2015 |
| 20007 | New London Oil I | | Oil Operator | Dec 1996 |
| 20008 | New London Oil Inc. | Houston, TX 77253 | Oil & Gas Operator | Aug 2002 |
| 20009 | New Millennium Resources, Inc. | | Oil & Gas Operator | Jul 2024 |
| 20010 | New Ora Oil, Inc. | | Oil Operator | Aug 1984 |
| 20011 | New Orleans Public Service Inc | | Oil Operator | Dec 1994 |
| 20012 | New River Energy Corporation | | Gas Operator | Dec 2017 |
| 20013 | New Source Oil & Gas, LLC | Victoria, TX 77903 | Oil & Gas Operator | Sep 2024 |
| 20014 | New Tex Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | May 2016 |
| 20015 | New Voyage Enterprises LLC | San Antonio, TX 78278 | Oil Operator | Sep 2024 |
| 20016 | New Western Operating, LLC | Irvine, CA 92618 | Oil & Gas Operator | Dec 2019 |
| 20017 | New York Natural Gas Corp | Pittsburgh, PA 15222-1402 | Gas Operator | Dec 1990 |
| 20018 | New York Petroleum Corp. | | Oil & Gas Operator | Nov 1982 |
| 20019 | New-Lonamen | | Oil & Gas Operator | Dec 2008 |
| 20020 | New-Park, Inc. | | Oil Operator | Sep 1990 |
| 20021 | New-Tex Operating II, LLC | Dallas, TX 75201 | Oil & Gas Operator | Sep 2024 |
| 20022 | New-Tex Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Sep 2024 |
| 20023 | Neward Corporation | FT. Worth, TX 76102 | Oil & Gas Operator | Dec 1997 |
| 20024 | Newark E&P Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2017 |
| 20025 | Newark Energy LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2011 |
| 20026 | Newberry, Charles D Inc | Campbellsvlle, KY 42719 | Oil Operator | Sep 2024 |
| 20027 | Newbridge Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | Jul 2024 |
| 20028 | Newcastle Oil & Gas Inc | | Oil Operator | Dec 1988 |
| 20029 | Newcastle Resources, LLC | Tyler, TX 75711 | Oil & Gas Operator | Aug 2015 |
| 20030 | Newco Oil And Gas, LLC | McKinney, TX 75070 | Oil Operator | Sep 2024 |
| 20031 | Newco, Inc. | Oklahoma City, OK 73177 | Oil Operator | Aug 1999 |
| 20032 | Newell Oil And Gas LLC | Shawnee, OK 74801-5783 | Oil & Gas Operator | Jul 2024 |
| 20033 | Newfield Expl. Mid-Con. Inc | Tulsa, OK 74172 | Oil & Gas Operator | Jan 2015 |
| 20034 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
| 20035 | Newfield Exploration Mid-Continent Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2011 |
| 20036 | Newfield Production Company | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jul 2022 |
| 20037 | Newgulf Petroleum, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2017 |
| 20038 | Newhaven Operating Inc | | Oil & Gas Operator | Dec 1998 |
| 20039 | Newkumet Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 20040 | Newland Farm | Freedom, NY 14065-9753 | Gas Operator | Dec 2023 |
| 20041 | Newland Oil Comp | | Oil Operator | Sep 1996 |
| 20042 | Newman & Scott | Duncan, OK 73534 | Oil & Gas Operator | Mar 2024 |
| 20043 | Newman Bros Drilling | | Oil & Gas Operator | Apr 2004 |
| 20044 | Newman Corporation | Harleton, TX 75651 | Oil & Gas Operator | Aug 2024 |
| 20045 | Newman Cubed, Inc. | Fort Worth, TX 76147 | Oil & Gas Operator | Sep 2024 |
| 20046 | Newman Operating Company | Freer, TX 78357 | Oil & Gas Operator | Jun 2021 |
| 20047 | Newman, John A. | Joplin, MO 64804 | Oil & Gas Operator | Jan 2001 |
| 20048 | Newmont Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1988 |
| 20049 | Newpark Drilling Fluids LLC | Clinton, OK 73601 | Oil Operator | Dec 2013 |
| 20050 | Newpark Environmental SVCS LLC | Lafayette, LA 70506 | Oil Operator | Jul 2014 |
| 20051 | Newpek, LLC | Irving, TX 75039 | Oil & Gas Operator | Sep 2016 |
| 20052 | Newport Gas Partners LLC | Gillette, WY 82716 | Oil & Gas Operator | Apr 2024 |
| 20053 | Newport Oil Corporation | Clearwater, FL 33755 | Oil & Gas Operator | Jul 2011 |
| 20054 | Newport Operating, LLC | Burkburnett, TX 76354 | Oil Operator | Sep 2024 |
| 20055 | Newport Operators, LLC | | Oil & Gas Operator | Jan 2019 |
| 20056 | Newstar Energy Of Texas L.L.C. | East Lansing, MI 48826 | Oil & Gas Operator | Mar 2008 |
| 20057 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 20058 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Sep 2024 |
| 20059 | Newton Steve Drilling | Worland, WY 82401 | Oil Operator | Apr 2001 |
| 20060 | Newton, Richard R. | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 1996 |
| 20061 | Newton, W. F. | Conroe, TX 77305 | Oil & Gas Operator | Jun 1994 |
| 20062 | Newton, W. F. Estate Of | Conroe, TX 77305 | Oil & Gas Operator | Jan 2000 |
| 20063 | Newturn Oil Company | Houston, TX 77208 | Oil & Gas Operator | Jan 2004 |
| 20064 | Newwoods Petroleum LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2016 |
| 20065 | Nexco Inc | Oklahoma City, OK 73102-6801 | Oil & Gas Operator | Nov 2013 |
| 20066 | Nexen Oil And Gas U.S.A. Inc. | Calgary, AB T2P 5C1 | Oil & Gas Operator | Feb 2010 |
| 20067 | Nexen Petroleum U.S.A. Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2012 |
| 20068 | Nexsreem Corporation | Tyler, TX 75703 | Oil & Gas Operator | Dec 2020 |
| 20069 | Nextraction Energy Us Inc | Las Vegas, NV 89169 | Oil & Gas Operator | Feb 2018 |
| 20070 | Nexus Resources Corporation | Drumright, OK 74030 | Oil & Gas Operator | Jan 2013 |
| 20071 | Ney Oil Operations | | Oil Operator | Apr 1998 |
| 20072 | Neyer Oil Inc | | Oil & Gas Operator | Nov 1997 |
| 20073 | Neyman, Robert L. & Maureen J. | Batavia, NY 14020 | Gas Operator | Dec 2023 |
| 20074 | Neymeiyer John Oil Co | | Oil Operator | Dec 1998 |
| 20075 | NFC Petroleum Corporation | Tulsa, OK 74121 | Oil & Gas Operator | Jun 1996 |
| 20076 | Nfcda Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Jul 2024 |
| 20077 | NFR Bear Paw Basin, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2013 |
| 20078 | NFR Energy, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2017 |
| 20079 | NGC Energy Co. | | Oil & Gas Operator | May 1989 |
| 20080 | Ngezi, LCC | Fort Worth, TX 76111 | Oil & Gas Operator | Sep 2024 |
| 20081 | NGL Crude Logistics LLC | Denver, CO 80209 | Oil Operator | Jun 2024 |
| 20082 | NGL Processing, LLC | | Oil Operator | Jun 2000 |
| 20083 | NGM Noble LTD | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 20084 | Ngo Development Corp. | Newark, OH 43058 | Oil & Gas Operator | Dec 2023 |
| 20085 | NGS, Inc. | Borger, TX 79008 | Gas Operator | Sep 2024 |
| 20086 | NGX Company | Roswell, NM 88202 | Oil & Gas Operator | Jul 2008 |
| 20087 | NHH Inc | Oklahoma City, OK 73162-7418 | Oil & Gas Operator | Feb 2002 |
| 20088 | NHRG Inc | Wichita Falls, TX 76308 | Oil Operator | Sep 2024 |
| 20089 | Nicco Operating Co. | | Oil & Gas Operator | May 1990 |
| 20090 | Nicholas Water Service, Inc. | Zenda, KS 67159 | Oil Operator | Mar 2006 |
| 20091 | Nichols Brothers | Abilene, TX 79604 | Oil & Gas Operator | Sep 2024 |
| 20092 | Nichols Fluid Service, Inc. | Liberal, KS 67901 | Oil Operator | Jun 2019 |
| 20093 | Nichols Oil & Gas Corporation | Shreveport, LA 71135 | Oil & Gas Operator | Aug 2003 |
| 20094 | Nichols Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Sep 2024 |
| 20095 | Nichols Oil Corp. | Holcomb, KS 67846 | Oil Operator | Dec 1994 |
| 20096 | Nichols Operating LLC | Fort Branch, IN 47648 | Oil & Gas Operator | Dec 2021 |
| 20097 | Nichols P B | | Oil & Gas Operator | Nov 2019 |
| 20098 | Nichols Water Service Inc | Forgan, OK 73938 | Oil & Gas Operator | May 2018 |
| 20099 | Nichols, Carl E. | Azle, TX 76098 | Oil & Gas Operator | Aug 2004 |
| 20100 | Nichols, Irl. A. Trust B | Duncan, OK 73534 | Oil & Gas Operator | Sep 2000 |