| 20101 | Nobbs, Gary H. And Bosinski, Kathy | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 20102 | Nobel Petroleum USA Inc. | League City, TX 77573 | Oil Operator | Sep 2026 |
| 20103 | Noble & Cantrell Expl. Co., Inc. | Winnsboro, TX 75494 | Oil & Gas Operator | Aug 2006 |
| 20104 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Sep 2026 |
| 20105 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Sep 2026 |
| 20106 | Noble Exploration, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 20107 | Noble Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1997 |
| 20108 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 20109 | Noble Operating Company Inc | Garden City, KS 67846 | Oil & Gas Operator | Sep 2014 |
| 20110 | Noble Operating, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Sep 2013 |
| 20111 | Noble Petroleum LLC | Lower Salem, OH 45745-9648 | Oil & Gas Operator | Dec 2025 |
| 20112 | Noble Petroleum, Inc. | Wichita, KS 67205 | Oil Operator | Sep 2013 |
| 20113 | Noble Producing Company Inc. | Dallas, TX 75244 | Oil & Gas Operator | Mar 1996 |
| 20114 | Noble Resources Inc | Mannford, OK 74044 | Oil & Gas Operator | Jul 2026 |
| 20115 | Noble, Alton L | Westfield, NY 14787 | Gas Operator | Dec 2025 |
| 20116 | Nobleson Operating, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Jun 1996 |
| 20117 | Noc | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2020 |
| 20118 | Noco Investment Company Inc | Tulsa, OK 74159-0470 | Oil & Gas Operator | Mar 2005 |
| 20119 | Nodding Donkey Production | Pampa, TX 79065 | Oil & Gas Operator | Sep 2026 |
| 20120 | Nodding Donkey Resources LLC | Oklahoma City, OK 73112 | Oil Operator | Jun 2026 |
| 20121 | Noe And Woods, Et Al | | Gas Operator | Jan 2008 |
| 20122 | Noe, T. C. Oil Acct. | Selman City, TX 75689 | Oil & Gas Operator | May 1996 |
| 20123 | Noel Operating, Inc. | Huntsville, TX 77340 | Oil & Gas Operator | Oct 2000 |
| 20124 | Noex, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Apr 1998 |
| 20125 | Nog Production & Operating LLC | Goliad, TX 77963 | Oil & Gas Operator | Sep 2026 |
| 20126 | Nogp Operating Company Inc | Tomball, TX 77377 | Oil & Gas Operator | Jun 2026 |
| 20127 | Noir-Blanc | Russell, KS 67665 | Oil Operator | May 1992 |
| 20128 | Nokota Energy Corporation | Bakersfield, CA 93313 | Oil Operator | Sep 2026 |
| 20129 | Nokusu, LTD. | Dallas, TX 75231 | Oil & Gas Operator | Sep 2008 |
| 20130 | Nolen Oil & Gas | Beeville, TX 78102 | Oil & Gas Operator | Sep 2026 |
| 20131 | Nolen, Charles R. | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2006 |
| 20132 | Nolin Rural Electric Coop | Elizabethtown, KY 42701 | Gas Operator | Dec 2024 |
| 20133 | Nolt, Leonard R. And Marian M. Nolt | Dundee, NY 14837 | Gas Operator | Dec 2025 |
| 20134 | Nolte, Mike E., Inc. | Longview, TX 75606 | Oil & Gas Operator | Feb 2006 |
| 20135 | Nolteco, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 2026 |
| 20136 | Nomeco Oil & Gas Co. | Jackson, MI 49204 | Oil & Gas Operator | Dec 1994 |
| 20137 | Nomoc Oil Company Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2006 |
| 20138 | Nondorf Oil & Ga | | Oil Operator | Dec 1986 |
| 20139 | Nondorf Oil & Gas Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2008 |
| 20140 | Nonsuch Natural Gas Inc | Naples, FL 34108 | Oil & Gas Operator | Jul 2026 |
| 20141 | Noonday Exploration, LLC | Tyler, TX 75711 | Oil & Gas Operator | Apr 2024 |
| 20142 | Nooner Cynthia | Ratliff City, OK 73481 | Oil Operator | Mar 2026 |
| 20143 | Nor East Investment Corporation | N Richlnd HLS, TX 76182 | Oil Operator | Sep 2026 |
| 20144 | Nor-Am Exploration | | Oil Operator | Jun 1981 |
| 20145 | Nor-West Kansas Oil, L.L.C. | Wakeeney, KS 67672 | Oil Operator | Dec 2019 |
| 20146 | Nora Company | Pampa, TX 79065 | Oil & Gas Operator | Sep 2026 |
| 20147 | Noram Field Services Corp. | | Oil Operator | Apr 1999 |
| 20148 | Noram Operating Company | Houston, TX 77002 | Oil Operator | Oct 1999 |
| 20149 | Noramco Production, LLC | Midland, TX 79710 | Oil & Gas Operator | Jan 2023 |
| 20150 | Norbay Oil Corp. | | Oil & Gas Operator | Dec 1999 |
| 20151 | Norbert J Baumgart | | Oil & Gas Operator | Dec 2009 |
| 20152 | Norcen Energy Inc | | Oil Operator | Dec 1989 |
| 20153 | Norcen Explorer, Inc. | Houston, TX 77079 | Oil & Gas Operator | May 1998 |
| 20154 | Norco Development, Inc. | | Oil Operator | Jul 1994 |
| 20155 | Nordan & Company | San Antonio, TX 78205 | Oil & Gas Operator | Jun 2004 |
| 20156 | Nordan Oil & Gas Corporation | Abilene, TX 79604 | Oil & Gas Operator | Feb 2018 |
| 20157 | Nordan Trust, The | San Antonio, TX 78205 | Oil & Gas Operator | Nov 2003 |
| 20158 | Nordic Oil Company | | Oil & Gas Operator | Dec 1999 |
| 20159 | Nordmeyer Oil, Inc. | Toronto, KS 66777 | Oil Operator | Dec 2019 |
| 20160 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Sep 2026 |
| 20161 | Nordstrand/Galoostian Oil & Gas | Houston, TX 77056 | Oil Operator | Mar 1998 |
| 20162 | Norexco Inc. | | Oil & Gas Operator | Aug 1988 |
| 20163 | Norgas Energy | Lakehills, TX 78063 | Oil & Gas Operator | Sep 2026 |
| 20164 | Norman Brothers Tank Truck Inc | Pauls Valley, OK 73075 | Oil & Gas Operator | May 2020 |
| 20165 | Norman Kenneth W | Sasakwa, OK 74867-0086 | Oil Operator | Oct 2017 |
| 20166 | Norman L & Loretta E Gilbreath | Aztec, NM 87401 | Gas Operator | Aug 2018 |
| 20167 | Norman L Gilbreath | Aztec, NM 87401 | Gas Operator | Aug 2018 |
| 20168 | Norman Oil Corporation | Abilene, TX 79608 | Oil & Gas Operator | Mar 2000 |
| 20169 | Norman Production Company | Chandler, OK 74834-8538 | Oil & Gas Operator | May 2015 |
| 20170 | Norman, C. D. | Irving, TX 75015 | Oil & Gas Operator | Mar 2008 |
| 20171 | Nornew Inc | Houston, TX 77063-2140 | Oil & Gas Operator | Dec 2008 |
| 20172 | Norris, Robert E. III | Savannah, NY 13146 | Gas Operator | Dec 2025 |
| 20173 | Norse Energy Corp USA | | Gas Operator | Dec 2011 |
| 20174 | Norstar Development | Madras, OR 97741 | Oil Operator | Nov 2018 |
| 20175 | Norstar Petroleu | | Oil & Gas Operator | Dec 1996 |
| 20176 | Norstar Petroleum Inc | Englewood, CO 80112 | Oil & Gas Operator | May 2026 |
| 20177 | Nortex Energy, Inc. | Muenster, TX 76252 | Oil Operator | Sep 2026 |
| 20178 | Nortex Gas & Oil Co | Tulsa, OK 74135 | Oil & Gas Operator | Sep 1993 |
| 20179 | Nortex Oil & Gas, Inc. | | Oil Operator | Feb 1994 |
| 20180 | Nortex Production Co., LLC | Wichita Falls, TX 76310 | Oil Operator | Sep 2026 |
| 20181 | North Amer Oil & Gas Drilling Co Inc | Pleasantville, PA 16341-0197 | Oil Operator | Dec 1999 |
| 20182 | North Amer Oil Exp Inc | Trenton, OH 45067 | Oil Operator | Dec 2025 |
| 20183 | North Amer Petroleum Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 20184 | North American D | | Oil & Gas Operator | Sep 1986 |
| 20185 | North American Drilling & Exploration, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Aug 2015 |
| 20186 | North American Drilling Corp | Plano, TX 75093 | Oil & Gas Operator | Sep 2026 |
| 20187 | North American Energy Inc | Duncan, OK 73533-9604 | Oil & Gas Operator | Nov 2000 |
| 20188 | North American Exploration Co. | Abilene, TX 79602 | Oil & Gas Operator | Apr 1998 |
| 20189 | North American Operating, LLC | Ardmore, OK 73401 | Oil & Gas Operator | Jul 2026 |
| 20190 | North American Petroleum Inc | Scottsdale, AZ 85262 | Oil & Gas Operator | Dec 2025 |
| 20191 | North American Prod Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1998 |
| 20192 | North American Reserve Corp. | Houston, TX 77060 | Oil & Gas Operator | Oct 2010 |
| 20193 | North American Resources Company | Billings, MT 59101 | Oil & Gas Operator | Dec 2019 |
| 20194 | North American Royalties, Inc. | Chattanooga, TN 37408 | Oil & Gas Operator | Oct 2001 |
| 20195 | North American Technical Trading Company, Inc. | Oakbrook Terrace, IL 60181 | Oil Operator | Jan 2011 |
| 20196 | North Bound Exploration Co | Pauls Valley, OK 73075-0863 | Oil & Gas Operator | Jan 2018 |
| 20197 | North Cambria Fuel Co | Blairsville, PA 15717-7961 | Gas Operator | Dec 2008 |
| 20198 | North Canadian Production LLC | Okemah, OK 74859 | Oil & Gas Operator | Jun 2026 |
| 20199 | North Central Casing Pullers,Inc | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 20200 | North Central Oil Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |