| 101 | Eagle Gas Marketing Co | Oklahoma City, OK 73114-2202 | Oil & Gas Operator | Nov 2022 |
| 102 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2024 |
| 103 | Eagle Rock Mid-Continent Operating LLC | Tulsa, OK 74103-3703 | Oil & Gas Operator | Dec 2023 |
| 104 | Edinger Engineering, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 105 | Edwards & Leach Oil Company | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2005 |
| 106 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Jan 2024 |
| 107 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Jan 2024 |
| 108 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 109 | Enernet Inc | Oklahoma City, OK 73102-8004 | Oil & Gas Operator | Nov 2014 |
| 110 | Enerwest Trading Co LLC | Duncan, OK 73534 | Oil & Gas Operator | Dec 2023 |
| 111 | Ensource Inc | Midland, TX 79705 | Oil & Gas Operator | Aug 1998 |
| 112 | EOG (Oklahoma) Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Oct 2016 |
| 113 | Epley Bobbie Inc | Wilson, OK 73463-6319 | Oil Operator | Jun 2007 |
| 114 | Esis Inc | | Oil & Gas Operator | Feb 2017 |
| 115 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2024 |
| 116 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 117 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Apr 2024 |
| 118 | First Ascent Operating LLC | Addison, TX 75001 | Oil Operator | Feb 2024 |
| 119 | Fletcher Oil LLC | Ratliff City, OK 73481-0012 | Oil & Gas Operator | Dec 2023 |
| 120 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 121 | Ford, R. J. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2024 |
| 122 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 123 | Forsythe Trucking Inc | Wilson, OK 73463 | Oil & Gas Operator | Jan 2024 |
| 124 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Jan 2024 |
| 125 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 126 | Genie Oil & Gas Corporation | Broken Arrow, OK 74013-3783 | Oil & Gas Operator | Dec 2023 |
| 127 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 128 | Gladiator Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 129 | GLB Exploration, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 130 | Graves Oil Company | Ardmore, OK 73401 | Oil Operator | Apr 2014 |
| 131 | Gray Operating Company, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2018 |
| 132 | Green Valley Disposal Serv LLC | Waynoka, OK 73860-0194 | Oil Operator | Dec 2023 |
| 133 | Gribble Jr R W | Dallas, TX 75235 | Oil & Gas Operator | Apr 2014 |
| 134 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Jan 2024 |
| 135 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |
| 136 | H2ox Operating LLC | | Oil Operator | Jan 2024 |
| 137 | Hadson Petro USA Inc | | Oil & Gas Operator | Nov 2016 |
| 138 | Hall Energy Company LLC | Oklahoma City, OK 73120-5020 | Oil & Gas Operator | Jul 2022 |
| 139 | Ham Oil Company, LLC | | Oil Operator | Sep 2022 |
| 140 | Hawkins Oil & Gas Inc | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2016 |
| 141 | Hays Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2000 |
| 142 | Heartlands Development Co Inc | Bristow, OK 74010-3826 | Oil & Gas Operator | May 2017 |
| 143 | Hep Oil Company LTD | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 144 | Hep Oil GP, LLC | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 145 | High Sierra Crude Oil& Marketing LLC | Ardmore, OK 73401 | Oil Operator | Nov 2013 |
| 146 | HK Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
| 147 | Holden Energy Corporation | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2015 |
| 148 | Hondo Oil & Gas Company | Roswell, NM 88202 | Oil & Gas Operator | Aug 2006 |
| 149 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2023 |
| 150 | HRB Operating Company Inc | Bridgeport, TX 76426 | Oil & Gas Operator | Apr 2024 |
| 151 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | Apr 2024 |
| 152 | Hy-Carb Energy Inc | | Oil & Gas Operator | Feb 2009 |
| 153 | Injection Well Service | Lone Grove, OK 73443-0156 | Oil Operator | Apr 2005 |
| 154 | Itr Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 155 | J & R Transports Inc | Woodward, OK 73802 | Oil & Gas Operator | Dec 2006 |
| 156 | January Investments LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2024 |
| 157 | Jerry Sanner Oil Properties Inc | Enid, OK 73702-5942 | Oil & Gas Operator | Jan 2024 |
| 158 | Jimmy R Chatham LLC | Healdton, OK 73438-0878 | Oil & Gas Operator | Jan 2024 |
| 159 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2023 |
| 160 | Jones & Pellow Oil Co | Oklahoma City, OK 73118-1115 | Oil & Gas Operator | Feb 2015 |
| 161 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 162 | Jwimco LLC | Dallas, TX 75229 | Oil & Gas Operator | Jan 2024 |
| 163 | Kadane Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 1998 |
| 164 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
| 165 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Dec 2023 |
| 166 | Keith F. Walker Oil & Gas Co., LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2024 |
| 167 | Kerr McGee Rocky MTN Corp | Denver, CO 80202-5736 | Oil & Gas Operator | Mar 2015 |
| 168 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
| 169 | Kingery Drilling Co., Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Jan 2024 |
| 170 | Kirkpatrick Oil Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2024 |
| 171 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
| 172 | Kybenco Disposals LLC | | Oil Operator | Sep 2022 |
| 173 | L E Jones Operating Inc | Duncan, OK 73534 | Oil & Gas Operator | Feb 2024 |
| 174 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
| 175 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 176 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 177 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Dec 2023 |
| 178 | Larry Brown Dba Brown Oil Company | Ardmore, OK 73403-1581 | Oil Operator | Apr 2015 |
| 179 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 180 | Lavrco Energie Inc | Duncan, OK 73533 | Oil & Gas Operator | Jan 2024 |
| 181 | Le Norman Partners LLC | Duncan, OK 73533-9523 | Oil & Gas Operator | Feb 2012 |
| 182 | Leonard Brothers Operating Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Apr 2024 |
| 183 | Lewis Oil Operations LLC | Ratliff City, OK 73481-0220 | Oil & Gas Operator | Jan 2024 |
| 184 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 185 | Lincoln Rock Corporation | Northfield, IL 60093 | Oil & Gas Operator | Jul 2003 |
| 186 | Lorentz Oil & Gas LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2023 |
| 187 | LX4 LLC | | Oil Operator | Jan 2024 |
| 188 | M-B Operating Co., Inc. | Rowlett, TX 75030 | Oil & Gas Operator | Apr 2024 |
| 189 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Jan 2024 |
| 190 | Mack Energy Co. | Duncan, OK 73534 | Oil & Gas Operator | Dec 2023 |
| 191 | Maguire Oil Company | Dallas, TX 75270 | Oil & Gas Operator | Mar 2015 |
| 192 | Marymac Company | Dallas, TX 75219-2362 | Oil & Gas Operator | Mar 2015 |
| 193 | Mator LLC | | Oil & Gas Operator | Jan 2024 |
| 194 | Meadowbrook Oil Corporation Of Ok Inc | Del City, OK 73115-3608 | Oil & Gas Operator | Jan 2024 |
| 195 | Medders Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 196 | Medicine Bow Operating Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2014 |
| 197 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 198 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
| 199 | Mermac Operating Company Inc | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 200 | Michaels, Bobby W | | Oil Operator | Nov 1998 |