| 7201 | D. B. McConnell | | Oil & Gas Operator | Oct 1991 |
| 7202 | D. B. McConnell Et Al | | Oil & Gas Operator | Nov 1993 |
| 7203 | D. C. Bintliff | | Oil & Gas Operator | Mar 1987 |
| 7204 | D. C. Bintliff Et Al | | Oil & Gas Operator | Feb 1987 |
| 7205 | D. C. Bintliff-McCormick O&G | | Oil & Gas Operator | Oct 1983 |
| 7206 | D. C. Malcolm, Inc. | Charleston, WV 25301 | Oil & Gas Operator | Dec 2021 |
| 7207 | D. C. Page Farms, Inc | Le Roy, NY 14482 | Gas Operator | Dec 2023 |
| 7208 | D. E. Craggs Inc. | | Gas Operator | Dec 1993 |
| 7209 | D. E. Exploration, Inc. | Wellsville, KS 66092 | Oil & Gas Operator | Jul 2024 |
| 7210 | D. G. Haney, Inc. | Charleston, WV 25338-3810 | Oil & Gas Operator | Dec 2021 |
| 7211 | D. G. Oil Co. | Dennis, TX 76439 | Oil & Gas Operator | Nov 2024 |
| 7212 | D. I. Dupree | | Oil & Gas Operator | Sep 2015 |
| 7213 | D. J. Fritz | | Oil & Gas Operator | Feb 1982 |
| 7214 | D. J. Hatfield | | Oil & Gas Operator | Dec 1994 |
| 7215 | D. J. Pickrell Operator | | Gas Operator | Dec 2012 |
| 7216 | D. J. Simmons & Co. Of La. | | Gas Operator | Nov 1996 |
| 7217 | D. Jackson Rentals LLC | Easton, KS 66020 | Oil Operator | Jul 2024 |
| 7218 | D. K. Boyd Oil & Gas Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1999 |
| 7219 | D. L. & Barbara W. Chiles | | Oil Operator | Jul 2024 |
| 7220 | D. L. Gish | | Oil Operator | Mar 1992 |
| 7221 | D. L. Gish Oil Partnership | | Oil Operator | Feb 1989 |
| 7222 | D. L. Gish Oil, Inc. | | Oil Operator | Jul 1998 |
| 7223 | D. L. Gish, Inc. | | Oil Operator | Jun 1990 |
| 7224 | D. L. Trainer | | Oil Operator | Mar 1991 |
| 7225 | D. O. G. Operating, LLC | Port Aransas, TX 78373 | Oil & Gas Operator | Nov 2024 |
| 7226 | D. R. Lauck Oil Co., Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jul 2019 |
| 7227 | D. S. Owens | | Oil & Gas Operator | Dec 1991 |
| 7228 | D. Shel Oil, Inc. | Gonzales, TX 78629 | Oil Operator | Nov 2024 |
| 7229 | D. W. Chumley, Jr. | | Oil & Gas Operator | Jul 2024 |
| 7230 | D. W. Elliott Operating Acct | | Oil & Gas Operator | Dec 1991 |
| 7231 | D. W. R. Oil Co., Inc. | Merkel, TX 79536 | Oil & Gas Operator | Nov 2024 |
| 7232 | D. W. Tanner | | Oil & Gas Operator | May 2000 |
| 7233 | D.C. Oil | Natalia, TX 78059 | Oil Operator | Nov 2024 |
| 7234 | D.C.Bintliff-McCormick Oper Co | | Oil & Gas Operator | May 1984 |
| 7235 | D.J. & T. Energy | Abilene, TX 79601 | Oil & Gas Operator | Nov 2024 |
| 7236 | D.J.F. Petroleum Corporation | | Oil & Gas Operator | Oct 1992 |
| 7237 | D.J.F. Services, Inc. | Holdenville, OK 74848 | Oil & Gas Operator | Nov 2024 |
| 7238 | D.K. Rush Oil Co., LLC | El Dorado, KS 67042 | Oil Operator | Jul 2024 |
| 7239 | D.K.D. | Merkel, TX 79536 | Oil & Gas Operator | Nov 2024 |
| 7240 | D.M. Well Service | | Oil Operator | Dec 2019 |
| 7241 | D.O.E. Energy | Palestine, TX 75801 | Oil & Gas Operator | Nov 2024 |
| 7242 | D.T. Inc. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2024 |
| 7243 | D.W.P. Production | Perryton, TX 79070 | Oil & Gas Operator | Nov 2020 |
| 7244 | D.W.R. Oil Properties, Inc. | Merkel, TX 79536 | Oil & Gas Operator | Sep 2024 |
| 7245 | D.W.S. Properties | Sterling, KS 67579 | Oil Operator | Mar 2006 |
| 7246 | D.Y. Exploration, Inc. | Boise, ID 83705 | Oil & Gas Operator | Nov 2024 |
| 7247 | D10 Energy LLC | Stinnett, TX 79083 | Oil & Gas Operator | Nov 2024 |
| 7248 | D90 Energy, LLC | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 7249 | Da Co Petroleum, Inc. | Wann, OK 74083 | Gas Operator | Apr 2003 |
| 7250 | Da Crowe & Associates, Inc | Chappell Hill, TX 77426 | Oil & Gas Operator | Sep 2010 |
| 7251 | Da Energy, LLC | Lees Summit, MO 64063 | Oil Operator | Jul 2024 |
| 7252 | Dab And Associates Inc | Crescent, OK 73028-0580 | Oil & Gas Operator | Nov 2014 |
| 7253 | Dab Limited | Oklahoma City, OK 73116-9082 | Oil & Gas Operator | Aug 2013 |
| 7254 | Dabb Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | Aug 2020 |
| 7255 | Dac Oil Corporation | | Oil & Gas Operator | Dec 1985 |
| 7256 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 7257 | Daco Oil | Joinerville, TX 75658 | Oil & Gas Operator | Aug 2019 |
| 7258 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Nov 2024 |
| 7259 | Dacott Oil & Gas, LLC | Pampa, TX 79065 | Oil & Gas Operator | Sep 2011 |
| 7260 | Daesung Energy Resources Inc. | Dallas, TX 75206 | Oil & Gas Operator | Nov 2024 |
| 7261 | Daf Operating, LLC | Houston, TX 77005 | Oil & Gas Operator | Nov 2024 |
| 7262 | Dahab Energy Inc. | Dallas, TX 75225 | Oil & Gas Operator | Nov 2024 |
| 7263 | Dahco Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Nov 2024 |
| 7264 | Dahill Murray P | Casper, WY 82601 | Oil & Gas Operator | Jun 2007 |
| 7265 | Dahl & Smith Oil Co | Barnsdall, OK 74002 | Oil & Gas Operator | Aug 1999 |
| 7266 | Dahl Randall Lee | Barnsdall, OK 74002 | Oil Operator | Sep 2024 |
| 7267 | Dahlia Operating LLC | Petrolia, TX 76377 | Oil & Gas Operator | Apr 2018 |
| 7268 | Dailey Oil And Gas LLC | | Oil & Gas Operator | Jun 2019 |
| 7269 | Daily, Carroll | Loving, TX 76460 | Oil & Gas Operator | Sep 2023 |
| 7270 | Dain Oil | Graham, TX 76450 | Oil & Gas Operator | Dec 2007 |
| 7271 | Daisy Pointer | | Oil Operator | Jul 1999 |
| 7272 | Dakar Operating Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 2001 |
| 7273 | Dakota Crude, Inc. | | Oil & Gas Operator | Sep 2024 |
| 7274 | Dakota Drilling, LLC | Wichita, KS 67205 | Oil Operator | Feb 2006 |
| 7275 | Dakota Exploration LLC | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2024 |
| 7276 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2023 |
| 7277 | Dakota Oil Company | Hebbronville, TX 78361 | Oil & Gas Operator | Nov 2024 |
| 7278 | Dakota Opr Co Inc | Indiana, PA 15701-0444 | Oil & Gas Operator | Dec 1999 |
| 7279 | Dakota Production Co., Inc. | Neodesha, KS 66757 | Gas Operator | Jul 2024 |
| 7280 | Dakota Resources | | Oil & Gas Operator | Jan 1989 |
| 7281 | Dakota Resources, Inc | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
| 7282 | Dakota Resources, Inc. (I) | Midland, TX 79707 | Oil & Gas Operator | Nov 2024 |
| 7283 | Dakota West Pumping, Inc. | | Oil & Gas Operator | Feb 2004 |
| 7284 | Dakota-3 E&P Company, LLC | | Oil & Gas Operator | Jan 2012 |
| 7285 | Dal-Long Oil Company | | Oil Operator | Feb 2001 |
| 7286 | Dalco Petroleum, Inc | | Oil & Gas Operator | Jan 2006 |
| 7287 | Dalcor Energy LLC | Duncan, OK 73534 | Oil & Gas Operator | Aug 2024 |
| 7288 | Dale E. Jackson Production Co. | | Oil Operator | Jul 2024 |
| 7289 | Dale Expl Co & R. A. Campbell | | Oil Operator | Nov 1995 |
| 7290 | Dale Exploration Company | | Oil & Gas Operator | May 2004 |
| 7291 | Dale George | Elmore City, OK 73433 | Oil & Gas Operator | Aug 2022 |
| 7292 | Dale Jimmy | Davis, OK 73030 | Oil & Gas Operator | Mar 2015 |
| 7293 | Dale O. Reese | | Oil Operator | Nov 1989 |
| 7294 | Dale O. Reese, Inc. | | Oil Operator | Jul 1997 |
| 7295 | Dale Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
| 7296 | Dale Operations, LLC | Dickinson, TX 77539 | Oil & Gas Operator | Nov 2024 |
| 7297 | Dale R & George W Magee | Duke Center, PA 16729-0217 | Oil & Gas Operator | Dec 2010 |
| 7298 | Dale U & Martha E Livermore | Brookville, PA 15825-7524 | Gas Operator | Dec 2023 |
| 7299 | Dale, David Dba DD Oil Company | Spencer, WV 25276-0406 | Oil & Gas Operator | Dec 2021 |
| 7300 | Dale, Doyle C. | Poolville, TX 76487 | Oil & Gas Operator | Sep 2018 |