| 7101 | D. B. McConnell Et Al | | Oil & Gas Operator | Nov 1993 |
| 7102 | D. C. Bintliff | | Oil & Gas Operator | Mar 1987 |
| 7103 | D. C. Bintliff Et Al | | Oil & Gas Operator | Feb 1987 |
| 7104 | D. C. Bintliff-McCormick O&G | | Oil & Gas Operator | Oct 1983 |
| 7105 | D. C. Malcolm, Inc. | Charleston, WV 25301 | Oil & Gas Operator | Dec 2021 |
| 7106 | D. E. Craggs Inc. | | Gas Operator | Dec 1993 |
| 7107 | D. E. Exploration, Inc. | Wellsville, KS 66092 | Oil & Gas Operator | Feb 2026 |
| 7108 | D. G. Haney, Inc. | Charleston, WV 25338-3810 | Oil & Gas Operator | Dec 2021 |
| 7109 | D. G. Oil Co. | Dennis, TX 76439 | Oil & Gas Operator | Jun 2026 |
| 7110 | D. I. Dupree | | Oil & Gas Operator | Sep 2015 |
| 7111 | D. J. Fritz | | Oil & Gas Operator | Feb 1982 |
| 7112 | D. J. Hatfield | | Oil & Gas Operator | Dec 1994 |
| 7113 | D. J. Pickrell Operator | | Gas Operator | Dec 2012 |
| 7114 | D. J. Simmons & Co. Of La. | | Gas Operator | Nov 1996 |
| 7115 | D. Jackson Rentals LLC | Easton, KS 66020 | Oil Operator | Dec 2025 |
| 7116 | D. K. Boyd Oil & Gas Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1999 |
| 7117 | D. L. & Barbara W. Chiles | | Oil Operator | Jan 2025 |
| 7118 | D. L. Gish | | Oil Operator | Mar 1992 |
| 7119 | D. L. Gish Oil Partnership | | Oil Operator | Feb 1989 |
| 7120 | D. L. Gish Oil, Inc. | | Oil Operator | Jul 1998 |
| 7121 | D. L. Gish, Inc. | | Oil Operator | Jun 1990 |
| 7122 | D. L. Trainer | | Oil Operator | Mar 1991 |
| 7123 | D. O. G. Operating, LLC | Port Aransas, TX 78373 | Oil & Gas Operator | Jun 2026 |
| 7124 | D. R. Lauck Oil Co., Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jul 2019 |
| 7125 | D. S. Owens | | Oil & Gas Operator | Dec 1991 |
| 7126 | D. Shel Oil, Inc. | Gonzales, TX 78629 | Oil Operator | Jun 2026 |
| 7127 | D. W. Chumley, Jr. | | Oil & Gas Operator | Dec 2024 |
| 7128 | D. W. Elliott Operating Acct | | Oil & Gas Operator | Dec 1991 |
| 7129 | D. W. R. Oil Co., Inc. | Merkel, TX 79536 | Oil & Gas Operator | Aug 2025 |
| 7130 | D. W. Tanner | | Oil & Gas Operator | May 2000 |
| 7131 | D.C. Oil | Natalia, TX 78059 | Oil Operator | Jun 2026 |
| 7132 | D.C.Bintliff-McCormick Oper Co | | Oil & Gas Operator | May 1984 |
| 7133 | D.J. & T. Energy | Abilene, TX 79601 | Oil & Gas Operator | Jun 2026 |
| 7134 | D.J.F. Petroleum Corporation | | Oil & Gas Operator | Oct 1992 |
| 7135 | D.J.F. Services, Inc. | Holdenville, OK 74848 | Oil & Gas Operator | Jun 2026 |
| 7136 | D.K. Rush Oil Co., LLC | El Dorado, KS 67042 | Oil Operator | Feb 2026 |
| 7137 | D.K.D. | Merkel, TX 79536 | Oil & Gas Operator | Jun 2026 |
| 7138 | D.M. Well Service | | Oil Operator | Dec 2019 |
| 7139 | D.O.E. Energy | Palestine, TX 75801 | Oil & Gas Operator | Jun 2026 |
| 7140 | D.T. Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jun 2026 |
| 7141 | D.W.P. Production | Perryton, TX 79070 | Oil & Gas Operator | Nov 2020 |
| 7142 | D.W.R. Oil Properties, Inc. | Merkel, TX 79536 | Oil & Gas Operator | May 2026 |
| 7143 | D.W.S. Properties | Sterling, KS 67579 | Oil Operator | Mar 2006 |
| 7144 | D.Y. Exploration, Inc. | Boise, ID 83705 | Oil & Gas Operator | Jun 2026 |
| 7145 | D10 Energy LLC | Stinnett, TX 79083 | Oil & Gas Operator | Jun 2026 |
| 7146 | D90 Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2026 |
| 7147 | Da Co Petroleum, Inc. | Wann, OK 74083 | Gas Operator | Apr 2003 |
| 7148 | Da Crowe & Associates, Inc | Chappell Hill, TX 77426 | Oil & Gas Operator | Sep 2010 |
| 7149 | Da Energy, LLC | Lees Summit, MO 64063 | Oil Operator | Feb 2026 |
| 7150 | Dab And Associates Inc | Crescent, OK 73028-0580 | Oil & Gas Operator | Nov 2014 |
| 7151 | Dab Limited | Oklahoma City, OK 73116-9082 | Oil & Gas Operator | Aug 2013 |
| 7152 | Dabb Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | Aug 2020 |
| 7153 | Dac Oil Corporation | | Oil & Gas Operator | Dec 1985 |
| 7154 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 7155 | Daco Oil | Joinerville, TX 75658 | Oil & Gas Operator | Aug 2019 |
| 7156 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Jun 2026 |
| 7157 | Dacott Oil & Gas, LLC | Pampa, TX 79065 | Oil & Gas Operator | Sep 2011 |
| 7158 | Daesung Energy Resources Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2026 |
| 7159 | Daf Operating, LLC | Houston, TX 77005 | Oil & Gas Operator | Jun 2026 |
| 7160 | Dahab Energy Inc. | Dallas, TX 75225 | Oil & Gas Operator | Jun 2026 |
| 7161 | Dahco Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Jun 2026 |
| 7162 | Dahill Murray P | Casper, WY 82601 | Oil & Gas Operator | Jun 2007 |
| 7163 | Dahl & Smith Oil Co | Barnsdall, OK 74002 | Oil & Gas Operator | Aug 1999 |
| 7164 | Dahl Randall Lee | Barnsdall, OK 74002 | Oil Operator | Apr 2026 |
| 7165 | Dahl SWD Facility #1 LLC | Oklahoma City, OK 73118 | Gas Operator | Dec 2017 |
| 7166 | Dahlia Operating LLC | Petrolia, TX 76377 | Oil & Gas Operator | Apr 2018 |
| 7167 | Dailey Oil And Gas LLC | | Oil & Gas Operator | Jun 2019 |
| 7168 | Daily, Carroll | Loving, TX 76460 | Oil & Gas Operator | Sep 2023 |
| 7169 | Dain Oil | Graham, TX 76450 | Oil & Gas Operator | Dec 2007 |
| 7170 | Daisy Pointer | | Oil Operator | Jul 1999 |
| 7171 | Dakar Operating Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 2001 |
| 7172 | Dakota Crude, Inc. | | Oil & Gas Operator | Apr 2026 |
| 7173 | Dakota Drilling, LLC | Wichita, KS 67205 | Oil Operator | Feb 2006 |
| 7174 | Dakota Exploration LLC | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2026 |
| 7175 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 7176 | Dakota Oil Company | Hebbronville, TX 78361 | Oil & Gas Operator | Jun 2026 |
| 7177 | Dakota Opr Co Inc | Indiana, PA 15701-0444 | Oil & Gas Operator | Dec 1999 |
| 7178 | Dakota Production Co., Inc. | Neodesha, KS 66757 | Gas Operator | Dec 2025 |
| 7179 | Dakota Resources | | Oil & Gas Operator | Jan 1989 |
| 7180 | Dakota Resources, Inc | Midland, TX 79707 | Oil & Gas Operator | Apr 2026 |
| 7181 | Dakota Resources, Inc. (I) | Midland, TX 79707 | Oil & Gas Operator | Jun 2026 |
| 7182 | Dakota West Pumping, Inc. | | Oil & Gas Operator | Feb 2004 |
| 7183 | Dakota-3 E&P Company, LLC | | Oil & Gas Operator | Jan 2012 |
| 7184 | Dal-Long Oil Company | Longview, TX 75608 | Oil Operator | Feb 2001 |
| 7185 | Dalco Petroleum Inc | | Oil & Gas Operator | Jan 2006 |
| 7186 | Dalcor Energy LLC | Duncan, OK 73534 | Oil & Gas Operator | Nov 2025 |
| 7187 | Dale E. Jackson Production Co. | | Oil Operator | Feb 2026 |
| 7188 | Dale Expl Co & R. A. Campbell | | Oil Operator | Nov 1995 |
| 7189 | Dale Exploration Co. | | Oil & Gas Operator | May 2004 |
| 7190 | Dale George | Elmore City, OK 73433 | Oil & Gas Operator | Aug 2022 |
| 7191 | Dale Jimmy | Davis, OK 73030 | Oil & Gas Operator | Mar 2015 |
| 7192 | Dale O. Reese | | Oil Operator | Nov 1989 |
| 7193 | Dale O. Reese, Inc. | | Oil Operator | Jul 1997 |
| 7194 | Dale Operating Company | Dallas, TX 75207 | Oil & Gas Operator | Jun 2026 |
| 7195 | Dale Operations, LLC | Dickinson, TX 77539 | Oil & Gas Operator | Jun 2026 |
| 7196 | Dale R & George W Magee | Duke Center, PA 16729-0217 | Oil & Gas Operator | Dec 2010 |
| 7197 | Dale U & Martha E Livermore | Brookville, PA 15825-7524 | Gas Operator | Dec 2024 |
| 7198 | Dale, David Dba DD Oil Company | Spencer, WV 25276-0406 | Oil & Gas Operator | Dec 2021 |
| 7199 | Dale, Doyle C. | Poolville, TX 76487 | Oil & Gas Operator | Sep 2018 |
| 7200 | Daleco Resources | | Gas Operator | Dec 2000 |