| 101 | Cummings Gene | | Oil Operator | Dec 2000 |
| 102 | Cummings Oil Company | Oklahoma City, OK 73112-6113 | Oil & Gas Operator | Feb 2024 |
| 103 | Cummins Wren Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Nov 1998 |
| 104 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 105 | D & D Oil Company | Dayton, TX 77535 | Oil & Gas Operator | Apr 2024 |
| 106 | D & L Operating LLC | Morris, OK 74445-4820 | Oil & Gas Operator | Jan 2024 |
| 107 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 108 | Darnell Jim Operating Co | Okmulgee, OK 74447-8988 | Oil & Gas Operator | Jul 2023 |
| 109 | Data Energy Inc | Evergreen, CO 80439 | Oil & Gas Operator | Jul 2018 |
| 110 | Davis & Davis Oil Properties Inc | Morris, OK 74445-0195 | Oil Operator | Jan 2024 |
| 111 | Davis Consulting LLC | Tulsa, OK 74104 | Oil Operator | Aug 2023 |
| 112 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Jan 2024 |
| 113 | Dead Fern Resources Inc | | Oil & Gas Operator | Feb 2024 |
| 114 | Demo Oil Co | | Oil Operator | Jan 2020 |
| 115 | Denham Operating Company | Tulsa, OK 74101-3627 | Oil & Gas Operator | Aug 2022 |
| 116 | Dennison George | Tulsa, OK 74112-6732 | Oil & Gas Operator | Apr 2020 |
| 117 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
| 118 | Dexxon, Inc. | Kiefer, OK 74041 | Oil & Gas Operator | Jan 2024 |
| 119 | Diamond S Gathering Co | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1997 |
| 120 | Digger Oil & Gas Inc | Prague, OK 74864-0666 | Oil & Gas Operator | Jan 2024 |
| 121 | Discover Resources | Norman, OK 73070 | Oil & Gas Operator | Jan 2011 |
| 122 | Double R Petroleum | | Oil & Gas Operator | Sep 2004 |
| 123 | Drake Exploration Inc | Tulsa, OK 74105-4250 | Oil & Gas Operator | Jan 2024 |
| 124 | Dual Operating & Production Co | Tulsa, OK 74145-7831 | Oil & Gas Operator | Apr 2020 |
| 125 | Dunlap Drilling & Prod Inc | Glenpool, OK 74033-4206 | Oil & Gas Operator | Jan 2024 |
| 126 | Dunlap Oil Company | Bristow, OK 74010-0837 | Oil & Gas Operator | Jan 2024 |
| 127 | Dunn Energy LLC | Skiatook, OK 74070-4046 | Oil Operator | Sep 2022 |
| 128 | Durossette Jr Jess | Haskell, OK 74436 | Oil Operator | Mar 2007 |
| 129 | Dyer Dale E Dba The Loving Company | Tulsa, OK 74157-9451 | Oil & Gas Operator | Jan 2024 |
| 130 | E2 Operating LLC | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2024 |
| 131 | Eagle Oil & Gas Properties Inc | Pleasant Prarie, WI 53158-4719 | Oil & Gas Operator | Jan 2016 |
| 132 | Earth Oil Inc | Skiatook, OK 74070-0578 | Oil & Gas Operator | Oct 2008 |
| 133 | Edge Oil Company Inc | Cleveland, OK 74020-0284 | Oil & Gas Operator | Dec 2023 |
| 134 | Elite Resources Inc | Cleveland, OK 74020-0614 | Oil & Gas Operator | Feb 2024 |
| 135 | Ellard I W | Bixby, OK 74008-0220 | Oil & Gas Operator | Jan 2007 |
| 136 | Emerald Operating Company | Plano, TX 75075 | Oil & Gas Operator | Mar 2024 |
| 137 | Emery Billie E | Skiatook, OK 74070 | Oil Operator | Jan 2013 |
| 138 | Emery Edward A | Tulsa, OK 74145-7921 | Oil Operator | Jan 2024 |
| 139 | Emmaus Energy LLC | | Oil & Gas Operator | Aug 2022 |
| 140 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 141 | Energy Lease Service Inc | Drumright, OK 74030-7403 | Oil & Gas Operator | Jan 2024 |
| 142 | Energy Production Services LLC | Oklahoma City, OK 73162-4736 | Oil & Gas Operator | Apr 2020 |
| 143 | Energyquest Management, LLC | Houston, TX 77090 | Oil & Gas Operator | Apr 2021 |
| 144 | Enersearch Inc | Sand Springs, OK 74063 | Oil & Gas Operator | Dec 2013 |
| 145 | Enexco, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Mar 2017 |
| 146 | Enloe Jenny L | Skiatook, OK 74070 | Oil Operator | Nov 1998 |
| 147 | Eskridge Oil & Supply | Tulsa, OK 74105 | Oil Operator | Aug 2014 |
| 148 | Eskridge Production Company | Tulsa, OK 74112-1428 | Oil Operator | Sep 2019 |
| 149 | Exok, Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2024 |
| 150 | Eyler Dean E | Cleveland, OK 74020-0260 | Oil & Gas Operator | Jan 2024 |
| 151 | F O & G LLC | Ruston, LA 71273 | Oil Operator | Apr 2022 |
| 152 | Fadem Oil Company | Tulsa, OK 74135 | Oil Operator | Jan 1996 |
| 153 | Fairchild Well Service Inc | Ponca City, OK 74602-0470 | Oil & Gas Operator | Jun 2006 |
| 154 | Fears George E | | Oil & Gas Operator | Mar 2019 |
| 155 | Fell Oil And Gas Inc | Tulsa, OK 74157-9487 | Oil & Gas Operator | Aug 2016 |
| 156 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 157 | Fidgets Energy LLC | | Oil Operator | Jan 2024 |
| 158 | Firey Oil Company | Sand Springs, OK 74063-0773 | Oil & Gas Operator | Feb 2021 |
| 159 | Flatt Energy Inc | | Oil & Gas Operator | Sep 2019 |
| 160 | Forrest A Ward | Okmulgee, OK 74447-8891 | Oil & Gas Operator | Nov 2023 |
| 161 | Galt Investment Company LLC | | Oil Operator | Jan 2024 |
| 162 | Gateway Resources U.S.A., Inc. | Bartlesville, OK 74006 | Oil & Gas Operator | Jan 2024 |
| 163 | Gazalski Richard S Dba Ski Energy | Henryetta, OK 74437-1208 | Oil & Gas Operator | Dec 2020 |
| 164 | Geiger Albert J Revocable Trust | Tulsa, OK 74107 | Oil Operator | Sep 1994 |
| 165 | Gemini Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2024 |
| 166 | Genzer Jim W | Sapulpa, OK 74067-1252 | Oil & Gas Operator | May 2013 |
| 167 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 168 | GMP Minerals LLC | | Oil Operator | Dec 2021 |
| 169 | Gordon Robert Oil Company | Stroud, OK 74070-0366 | Oil & Gas Operator | Jul 2001 |
| 170 | Grand Resources Inc | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2024 |
| 171 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Feb 2024 |
| 172 | Greenwood Oil Company | Skiatook, OK 74070 | Oil & Gas Operator | Aug 2013 |
| 173 | Guest R E Oil Producer | Edmond, OK 73083-0805 | Oil & Gas Operator | Mar 2015 |
| 174 | H2ox Operating LLC | | Oil Operator | Feb 2024 |
| 175 | Hale John H | Tulsa, OK 74107 | Oil & Gas Operator | Mar 2000 |
| 176 | Halfway Oil Inc | Tahlequah, OK 74464-5448 | Oil & Gas Operator | Aug 2013 |
| 177 | Halgas Inc | Tulsa, OK 74101-3012 | Oil & Gas Operator | May 2013 |
| 178 | Halliburton Oil Producing Co. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2016 |
| 179 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 180 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 181 | Heath Jack A | Tulsa, OK 74132-2403 | Oil & Gas Operator | Jan 2013 |
| 182 | Helmco LTD | Kiefer, OK 74041-0397 | Oil & Gas Operator | Jan 2007 |
| 183 | High Sierra Crude Oil& Marketing LLC | Ardmore, OK 73401 | Oil Operator | Nov 2013 |
| 184 | Hillenburg Oil Company | Broken Arrow, OK 74011-4021 | Oil Operator | Apr 2011 |
| 185 | HMX Investments Inc | Katy, TX 77494 | Oil & Gas Operator | Jan 2024 |
| 186 | Holloway David A | Okmulgee, OK 74447-9191 | Oil & Gas Operator | Jan 2024 |
| 187 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Apr 2024 |
| 188 | Home-Stake Royalty Corp., The | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2014 |
| 189 | Hondo Oil & Gas Company | Roswell, NM 88202 | Oil & Gas Operator | Aug 2006 |
| 190 | Hope Oil Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2021 |
| 191 | Hoppes Helen E | Depew, OK 74028-3428 | Oil & Gas Operator | Apr 2015 |
| 192 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Jan 2024 |
| 193 | Hoyt John C | Bartlesville, OK 74005-1316 | Oil Operator | Feb 2000 |
| 194 | Hunt Brothers Producing Co Inc | Redding, CA 96049-2516 | Oil & Gas Operator | Sep 2012 |
| 195 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
| 196 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 197 | Hyperion Energy LP | Dallas, TX 75206 | Oil & Gas Operator | May 2014 |
| 198 | I D Oil Company Inc | Sperry, OK 74073-9417 | Oil Operator | Jan 2013 |
| 199 | I T Enterprises Inc | Tulsa, OK 74170-0775 | Oil & Gas Operator | Mar 2011 |
| 200 | Indian Nation Energy Company | Wewoka, OK 74884-3456 | Oil & Gas Operator | Apr 2020 |