| 20101 | New Century Exploration, Inc. | Spring, TX 77379 | Oil & Gas Operator | Nov 2024 |
| 20102 | New Century Operating, LLC | Spring, TX 77379 | Oil Operator | Apr 2021 |
| 20103 | New Century Petroleum Corp | Oklahoma City, OK 73105 | Oil & Gas Operator | May 2013 |
| 20104 | New Chaparral Petroleum Inc. | | Oil & Gas Operator | Dec 2005 |
| 20105 | New Dominion LLC | Tulsa, OK 74119-3220 | Oil & Gas Operator | Sep 2024 |
| 20106 | New Donna Lee Oil Company | Bakersfield, CA 93308 | Oil & Gas Operator | Jul 2024 |
| 20107 | New Energy Corporation | Rancho Santa Fe, CA 92067-1990 | Oil & Gas Operator | Jul 2024 |
| 20108 | New Era International | Graham, TX 76450 | Oil & Gas Operator | Sep 2017 |
| 20109 | New Era Oil/Preferred Energy | | Oil & Gas Operator | Sep 1993 |
| 20110 | New Era Petroleum Inc | Sheridan, WY 82801 | Oil Operator | Sep 2024 |
| 20111 | New Frontier Energy Inc | | Gas Operator | Mar 2010 |
| 20112 | New Generation Oil Inc | Russell, KS 67665 | Oil Operator | Feb 2002 |
| 20113 | New Gulf Operating LLC | Tulsa, OK 74133 | Oil Operator | Sep 2023 |
| 20114 | New Gulf Resources, LLC | Tulsa, OK 74133 | Oil & Gas Operator | May 2018 |
| 20115 | New Height Energy, LLC | Houston, TX 77063 | Oil & Gas Operator | Nov 2024 |
| 20116 | New Horizon Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jun 2006 |
| 20117 | New Horizon Investments LTD. | George West, TX 78022 | Oil & Gas Operator | Nov 2024 |
| 20118 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2024 |
| 20119 | New Lift Inc | Nowata, OK 74048-0245 | Oil & Gas Operator | Mar 2015 |
| 20120 | New London Oil I | | Oil Operator | Dec 1996 |
| 20121 | New London Oil Inc. | Houston, TX 77253 | Oil & Gas Operator | Aug 2002 |
| 20122 | New Millennium Resources, Inc. | | Oil & Gas Operator | Sep 2024 |
| 20123 | New Ora Oil, Inc. | | Oil Operator | Aug 1984 |
| 20124 | New Orleans Public Service Inc | | Oil Operator | Dec 1994 |
| 20125 | New River Energy Corporation | | Gas Operator | Dec 2017 |
| 20126 | New Source Oil & Gas, LLC | Victoria, TX 77903 | Oil & Gas Operator | Nov 2024 |
| 20127 | New Tex Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | May 2016 |
| 20128 | New Voyage Enterprises LLC | San Antonio, TX 78278 | Oil Operator | Nov 2024 |
| 20129 | New Western Operating, LLC | Irvine, CA 92618 | Oil & Gas Operator | Dec 2019 |
| 20130 | New York Natural Gas Corp | Pittsburgh, PA 15222-1402 | Gas Operator | Dec 1990 |
| 20131 | New York Petroleum Corp. | | Oil & Gas Operator | Nov 1982 |
| 20132 | New-Lonamen | | Oil & Gas Operator | Dec 2008 |
| 20133 | New-Park, Inc. | | Oil Operator | Sep 1990 |
| 20134 | New-Tex Operating II, LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
| 20135 | New-Tex Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
| 20136 | Neward Corporation | FT. Worth, TX 76102 | Oil & Gas Operator | Dec 1997 |
| 20137 | Newark E&P Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2017 |
| 20138 | Newark Energy LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2011 |
| 20139 | Newberry, Charles D Inc | Campbellsvlle, KY 42719 | Oil Operator | Nov 2024 |
| 20140 | Newbridge Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2024 |
| 20141 | Newcastle Oil & Gas Inc | | Oil Operator | Dec 1988 |
| 20142 | Newcastle Resources, LLC | Tyler, TX 75711 | Oil & Gas Operator | Aug 2015 |
| 20143 | Newco Oil And Gas, LLC | McKinney, TX 75070 | Oil Operator | Nov 2024 |
| 20144 | Newco, Inc. | Oklahoma City, OK 73177 | Oil Operator | Aug 1999 |
| 20145 | Newell Oil And Gas LLC | Shawnee, OK 74801-5783 | Oil & Gas Operator | Sep 2024 |
| 20146 | Newfield Expl. Mid-Con. Inc | Tulsa, OK 74172 | Oil & Gas Operator | Jan 2015 |
| 20147 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
| 20148 | Newfield Exploration Mid-Continent Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2011 |
| 20149 | Newfield Production Company | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jul 2022 |
| 20150 | Newgulf Petroleum, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2017 |
| 20151 | Newhaven Operating Inc | | Oil & Gas Operator | Dec 1998 |
| 20152 | Newkumet Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 20153 | Newland Farm | Freedom, NY 14065 | Gas Operator | Dec 2023 |
| 20154 | Newland Oil Comp | | Oil Operator | Sep 1996 |
| 20155 | Newman & Scott | Duncan, OK 73534 | Oil & Gas Operator | Mar 2024 |
| 20156 | Newman Bros Drilling | | Oil & Gas Operator | Apr 2004 |
| 20157 | Newman Corporation | Harleton, TX 75651 | Oil & Gas Operator | Aug 2024 |
| 20158 | Newman Cubed, Inc. | Fort Worth, TX 76147 | Oil & Gas Operator | Nov 2024 |
| 20159 | Newman Operating Company | Freer, TX 78357 | Oil & Gas Operator | Jun 2021 |
| 20160 | Newman, John A. | Joplin, MO 64804 | Oil & Gas Operator | Jan 2001 |
| 20161 | Newmont Oil Company | Houston, TX 77002 | Oil & Gas Operator | Sep 1988 |
| 20162 | Newpark Drilling Fluids LLC | Clinton, OK 73601 | Oil Operator | Dec 2013 |
| 20163 | Newpark Environmental SVCS LLC | Lafayette, LA 70506 | Oil Operator | Jul 2014 |
| 20164 | Newpek, LLC | Irving, TX 75039 | Oil & Gas Operator | Sep 2016 |
| 20165 | Newport Gas Partners LLC | Gillette, WY 82716 | Oil & Gas Operator | Apr 2024 |
| 20166 | Newport Oil Corporation | Clearwater, FL 33755 | Oil & Gas Operator | Jul 2011 |
| 20167 | Newport Operating, LLC | Burkburnett, TX 76354 | Oil Operator | Nov 2024 |
| 20168 | Newport Operators, LLC | | Oil & Gas Operator | Jan 2019 |
| 20169 | Newstar Energy Of Texas L.L.C. | East Lansing, MI 48826 | Oil & Gas Operator | Mar 2008 |
| 20170 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 20171 | Newton Corp.,The | Dallas, TX 75251 | Oil & Gas Operator | Nov 2024 |
| 20172 | Newton Steve Drilling | Worland, WY 82401 | Oil Operator | Apr 2001 |
| 20173 | Newton, Richard R. | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 1996 |
| 20174 | Newton, W. F. | Conroe, TX 77305 | Oil & Gas Operator | Jun 1994 |
| 20175 | Newton, W. F. Estate Of | Conroe, TX 77305 | Oil & Gas Operator | Jan 2000 |
| 20176 | Newturn Oil Company | Houston, TX 77208 | Oil & Gas Operator | Jan 2004 |
| 20177 | Newwoods Petroleum LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2016 |
| 20178 | Nexco Inc | Oklahoma City, OK 73102-6801 | Oil & Gas Operator | Nov 2013 |
| 20179 | Nexen Oil And Gas U.S.A. Inc. | Calgary, AB T2P 5C1 | Oil & Gas Operator | Feb 2010 |
| 20180 | Nexen Petroleum U.S.A. Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2012 |
| 20181 | Nexsreem Corporation | Tyler, TX 75703 | Oil & Gas Operator | Dec 2020 |
| 20182 | Nextraction Energy Us Inc | Las Vegas, NV 89169 | Oil & Gas Operator | Feb 2018 |
| 20183 | Nexus Resources Corporation | Drumright, OK 74030 | Oil & Gas Operator | Jan 2013 |
| 20184 | Ney Oil Operations | | Oil Operator | Apr 1998 |
| 20185 | Neyer Oil Inc | | Oil & Gas Operator | Nov 1997 |
| 20186 | Neyman, Robert L. & Maureen J. | Batavia, NY 14020 | Gas Operator | Dec 2023 |
| 20187 | Neymeiyer John Oil Co | | Oil Operator | Dec 1998 |
| 20188 | NFC Petroleum Corporation | Tulsa, OK 74121 | Oil & Gas Operator | Jun 1996 |
| 20189 | Nfcda Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Sep 2024 |
| 20190 | NFR Bear Paw Basin, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2013 |
| 20191 | NFR Energy, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2017 |
| 20192 | NGC Energy Co. | | Oil & Gas Operator | May 1989 |
| 20193 | Ngezi, LCC | Fort Worth, TX 76111 | Oil & Gas Operator | Nov 2024 |
| 20194 | NGL Crude Logistics LLC | Denver, CO 80209 | Oil Operator | Aug 2024 |
| 20195 | NGL Processing, LLC | | Oil Operator | Jun 2000 |
| 20196 | NGM Noble LTD | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 20197 | Ngo Development Corp. | Newark, OH 43058 | Oil & Gas Operator | Dec 2023 |
| 20198 | NGS, Inc. | Borger, TX 79008 | Gas Operator | Nov 2024 |
| 20199 | NGX Company | Roswell, NM 88202 | Oil & Gas Operator | Jul 2008 |
| 20200 | NHH Inc | Oklahoma City, OK 73162-7418 | Oil & Gas Operator | Feb 2002 |