| 101 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 102 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2024 |
| 103 | Brown Gary E | Tecumseh, OK 74873-0355 | Oil & Gas Operator | Aug 2015 |
| 104 | Brown Jr Roy M | Sasakwa, OK 74867-0027 | Oil Operator | Nov 2016 |
| 105 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 106 | Bryant D G And Company | Midlothian, TX 76065-3628 | Oil & Gas Operator | Nov 2023 |
| 107 | Bulldog Production Inc | | Oil Operator | Nov 2023 |
| 108 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 109 | C & C Tank Truck Service Inc | Holdenville, OK 74848-0150 | Oil Operator | Feb 2012 |
| 110 | C & J Trucks LLC | Seminole, OK 74868-5406 | Oil & Gas Operator | Mar 2024 |
| 111 | C & L Oil And Gas Corporation | Norman, OK 73069-8224 | Oil & Gas Operator | Feb 2024 |
| 112 | C & W Oil Inc | | Oil & Gas Operator | Aug 2016 |
| 113 | C H E Company Inc | Shawnee, OK 74801 | Oil Operator | Feb 2012 |
| 114 | C.D. Operating Company, Inc. | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2015 |
| 115 | Calvert Exploration Co | | Oil & Gas Operator | Apr 1993 |
| 116 | Campbell Don G | Konawa, OK 74849 | Oil Operator | Feb 1997 |
| 117 | Cantrell Energy Corporation | Ada, OK 74820-0835 | Oil & Gas Operator | Jan 2024 |
| 118 | Cantrell Robert R | Ada, OK 74821-1433 | Oil & Gas Operator | Jan 2024 |
| 119 | Canvas Energy LLC | Oklahoma City, OK 73142-1839 | Oil & Gas Operator | Mar 2024 |
| 120 | Cap Oil Company | Ada, OK 74820-4101 | Oil Operator | Jan 2024 |
| 121 | Capstone Oilfield Disposal Service LLC | Hennessey, OK 73742-0698 | Oil Operator | Dec 2019 |
| 122 | Carbon Ridge Energy LLC | | Oil & Gas Operator | Feb 2024 |
| 123 | Carmac Energy Company LLC | | Oil Operator | Dec 2023 |
| 124 | Carmac Energy Corporation | Dallas, TX 75219-2311 | Oil & Gas Operator | Jan 2024 |
| 125 | Carmichael Oil & Gas Company | Vallejo, CA 94591-5653 | Oil & Gas Operator | Apr 2014 |
| 126 | Carney Mark C & Karen M | Dallas, TX 75206-4010 | Oil & Gas Operator | Oct 1994 |
| 127 | Carruth David C Family Trust | Russellville, AR 72811-2061 | Oil Operator | Aug 2002 |
| 128 | Cartledge & Cartledge Oil Company Inc | Kiefer, OK 74041-0040 | Oil & Gas Operator | Feb 2024 |
| 129 | Carver Harry | Oklahoma City, OK 73120 | Oil & Gas Operator | Nov 2000 |
| 130 | Castelli Exploration, Inc. | Oklahoma City, OK 73162 | Oil & Gas Operator | Jan 2024 |
| 131 | CDS Oil Company | Tulsa, OK 74147-1514 | Oil & Gas Operator | Mar 2015 |
| 132 | Cenpat Operating LLC | Houston, TX 77042-3044 | Oil & Gas Operator | Jan 2024 |
| 133 | Central Ok Reclamation LLC | | Oil & Gas Operator | Jun 2014 |
| 134 | Centrex Operating Company | Tulsa, OK 74105 | Oil & Gas Operator | Jan 2024 |
| 135 | CG Oil Co. | San Antonio, TX 78232 | Oil & Gas Operator | Mar 2011 |
| 136 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 137 | Cher Oil Company LTD | Ripley, OK 74062-6227 | Oil & Gas Operator | Jan 2024 |
| 138 | Chermac Energy Corporation | Edmond, OK 73083-5446 | Oil & Gas Operator | Apr 2020 |
| 139 | Cherokee Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
| 140 | Cherokee Royalties & Minerals Inc | Duncan, OK 73534-0415 | Oil & Gas Operator | Jan 2024 |
| 141 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
| 142 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 143 | Chinn, Velma D | | Oil Operator | Mar 2015 |
| 144 | Circle 9 Resources LLC | | Oil & Gas Operator | Jan 2024 |
| 145 | Citadel Production Company, Inc. | Denver, CO 80201 | Oil Operator | Sep 1996 |
| 146 | Clark Krista | Ada, OK 74820-8595 | Oil Operator | Sep 2001 |
| 147 | Claybrook Drilling Co Inc | | Oil & Gas Operator | Sep 2014 |
| 148 | Claybrook Production Co. Inc. | Wewoka, OK 74884-1380 | Oil & Gas Operator | Jun 2014 |
| 149 | Cleary Jo Anne | Saint Louis, OK 74866-0073 | Oil Operator | Dec 2023 |
| 150 | Cleere Operating LLC | | Oil Operator | Jan 2024 |
| 151 | Clifton & Associates Inc | Tulsa, OK 74133 | Oil & Gas Operator | May 2020 |
| 152 | Cloer VIrgil R | Oklahoma City, OK 73121 | Oil & Gas Operator | Apr 1993 |
| 153 | CM Exploration Company Inc. | | Oil & Gas Operator | Apr 2009 |
| 154 | CMT Oil & Gas Company Inc | Tulsa, OK 74133-6754 | Oil & Gas Operator | Jan 2024 |
| 155 | Coastal Oils Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2013 |
| 156 | Colpitt Brothers Oil | Collinsville, OK 74021-0028 | Oil & Gas Operator | Apr 2020 |
| 157 | Columbus Oil Company | Seminole, OK 74818-1111 | Oil & Gas Operator | Feb 2024 |
| 158 | Concho Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2015 |
| 159 | Confederate Spooling Inc | Okemah, OK 74859-2409 | Oil & Gas Operator | Apr 2020 |
| 160 | Conner Jelly | Seminole, OK 74868 | Oil & Gas Operator | Mar 1996 |
| 161 | Conner Production Co LLC | Seminole, OK 74818-0349 | Oil & Gas Operator | Jan 2024 |
| 162 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 163 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 164 | Consolidated Investments | Seminole, OK 74818-0651 | Oil & Gas Operator | Jan 2024 |
| 165 | Consolidated Oil & Gas Inc | Wichita, KS 67202 | Oil & Gas Operator | Dec 2012 |
| 166 | Consolidated Properties | Tulsa, OK 74129 | Oil & Gas Operator | Jan 2017 |
| 167 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2024 |
| 168 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
| 169 | Cook Oil Company | Wewoka, OK 74884-0875 | Oil & Gas Operator | Sep 2015 |
| 170 | Cook William Glenn | Wewoka, OK 74884-0727 | Oil & Gas Operator | Nov 2000 |
| 171 | Cooper John T | Duncan, OK 73534 | Oil & Gas Operator | Sep 2014 |
| 172 | Cooper Oil Inc | Duncan, OK 73534 | Oil & Gas Operator | Sep 2014 |
| 173 | Cornelius Petroleum Inc | Kellyville, OK 74039 | Oil & Gas Operator | Jan 2024 |
| 174 | Cougar Energy Investment LLC | Spring, TX 77387-7277 | Oil & Gas Operator | Sep 2014 |
| 175 | CPRP Services LLC | | Oil & Gas Operator | Feb 2024 |
| 176 | Criswell Energy LLC | Montezuma, IA 50171-8500 | Oil & Gas Operator | Oct 2022 |
| 177 | Cross, Don E | | Oil & Gas Operator | Jan 2013 |
| 178 | Crown Energy Company | Oklahoma City, OK 73106 | Oil & Gas Operator | Jan 2024 |
| 179 | Crude Marketing & Trans Inc | Tulsa, OK 74159 | Oil & Gas Operator | Sep 2017 |
| 180 | Crystal Energy Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Feb 2019 |
| 181 | Cuesta Petroleum Inc | Shawnee, OK 74801-6963 | Oil & Gas Operator | Jan 2024 |
| 182 | Cumberland Operating Company | Seminole, OK 74868-1258 | Oil & Gas Operator | Mar 2007 |
| 183 | Cummins Wren Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Nov 1998 |
| 184 | CWB Energy Inc | Oklahoma City, OK 73139-8837 | Oil Operator | May 2000 |
| 185 | D & B Operating LLC | | Oil Operator | Jan 2023 |
| 186 | D & G Oil & Gas Company Inc | Enid, OK 73702-2027 | Oil & Gas Operator | Nov 2021 |
| 187 | D & J Oil Co | Kermit, TX 79745 | Oil & Gas Operator | Apr 2024 |
| 188 | D-Mil Production Inc | Argyle, TX 76226 | Oil & Gas Operator | Apr 2024 |
| 189 | D.J.F. Services, Inc. | Holdenville, OK 74848 | Oil & Gas Operator | Apr 2024 |
| 190 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 191 | Darrell'S Drilling Inc | Konawa, OK 74849-0068 | Oil Operator | Feb 2024 |
| 192 | Davco Productions Inc | Springer, OK 73458-8191 | Oil & Gas Operator | Jun 2021 |
| 193 | Davis Bros. Oil Producers, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2020 |
| 194 | Davis Henry | Tulsa, OK 74135-3567 | Oil & Gas Operator | Dec 1994 |
| 195 | Daxin Energy Corporation | Seminole, OK 74868-2208 | Oil Operator | Jan 2013 |
| 196 | Deaton, Gary L. Corporation | Oklahoma City, OK 73105 | Oil & Gas Operator | Mar 2015 |
| 197 | Deck Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2020 |
| 198 | Dehart Company (The) | Ardmore, OK 73402-0907 | Oil & Gas Operator | Feb 2024 |
| 199 | Dell Charles E | Cleveland, OK 74020-0090 | Oil & Gas Operator | Feb 2015 |
| 200 | Delta D Operations | Wilson, OK 73463 | Oil & Gas Operator | Jul 2014 |