| 7401 | D. A. Biglane Operating Co Et Al | | Oil Operator | Feb 2004 |
| 7402 | D. & D. Operating Account | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2009 |
| 7403 | D. A. B. Oil Service, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2012 |
| 7404 | D. A. Biglane | | Oil & Gas Operator | Feb 1990 |
| 7405 | D. A. Milton | | Oil & Gas Operator | Dec 2016 |
| 7406 | D. A. Stark | | Oil Operator | Dec 1990 |
| 7407 | D. B. Braddock | | Oil & Gas Operator | Jan 1986 |
| 7408 | D. B. Braddock-Kisatchie Res. | | Oil & Gas Operator | Jan 1985 |
| 7409 | D. B. McClinton | | Oil & Gas Operator | Jun 1992 |
| 7410 | D. B. McConnell | | Oil & Gas Operator | Oct 1991 |
| 7411 | D. B. McConnell Et Al | | Oil & Gas Operator | Nov 1993 |
| 7412 | D. C. Bintliff | | Oil & Gas Operator | Mar 1987 |
| 7413 | D. C. Bintliff Et Al | | Oil & Gas Operator | Feb 1987 |
| 7414 | D. C. Bintliff-McCormick O&G | | Oil & Gas Operator | Oct 1983 |
| 7415 | D. C. Malcolm, Inc. | Charleston, WV 25301 | Oil & Gas Operator | Dec 2021 |
| 7416 | D. C. Page Farms, Inc | Le Roy, NY 14482 | Gas Operator | Dec 2023 |
| 7417 | D. E. Craggs Inc. | | Gas Operator | Dec 1993 |
| 7418 | D. E. Exploration, Inc. | Wellsville, KS 66092 | Oil & Gas Operator | Dec 2024 |
| 7419 | D. G. Haney, Inc. | Charleston, WV 25338-3810 | Oil & Gas Operator | Dec 2021 |
| 7420 | D. G. Oil Co. | Dennis, TX 76439 | Oil & Gas Operator | Apr 2025 |
| 7421 | D. I. Dupree | | Oil & Gas Operator | Sep 2015 |
| 7422 | D. J. Fritz | | Oil & Gas Operator | Feb 1982 |
| 7423 | D. J. Hatfield | | Oil & Gas Operator | Dec 1994 |
| 7424 | D. J. Pickrell Operator | | Gas Operator | Dec 2012 |
| 7425 | D. J. Simmons & Co. Of La. | | Gas Operator | Nov 1996 |
| 7426 | D. Jackson Rentals LLC | Easton, KS 66020 | Oil Operator | Dec 2024 |
| 7427 | D. K. Boyd Oil & Gas Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1999 |
| 7428 | D. L. & Barbara W. Chiles | | Oil Operator | Jan 2025 |
| 7429 | D. L. Gish | | Oil Operator | Mar 1992 |
| 7430 | D. L. Gish Oil Partnership | | Oil Operator | Feb 1989 |
| 7431 | D. L. Gish Oil, Inc. | | Oil Operator | Jul 1998 |
| 7432 | D. L. Gish, Inc. | | Oil Operator | Jun 1990 |
| 7433 | D. L. Trainer | | Oil Operator | Mar 1991 |
| 7434 | D. O. G. Operating, LLC | Port Aransas, TX 78373 | Oil & Gas Operator | Apr 2025 |
| 7435 | D. R. Lauck Oil Co., Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jul 2019 |
| 7436 | D. S. Owens | | Oil & Gas Operator | Dec 1991 |
| 7437 | D. Shel Oil, Inc. | Gonzales, TX 78629 | Oil Operator | Apr 2025 |
| 7438 | D. W. Chumley, Jr. | | Oil & Gas Operator | Dec 2024 |
| 7439 | D. W. Elliott Operating Acct | | Oil & Gas Operator | Dec 1991 |
| 7440 | D. W. R. Oil Co., Inc. | Merkel, TX 79536 | Oil & Gas Operator | Apr 2025 |
| 7441 | D. W. Tanner | | Oil & Gas Operator | May 2000 |
| 7442 | D.C. Oil | Natalia, TX 78059 | Oil Operator | Apr 2025 |
| 7443 | D.C.Bintliff-McCormick Oper Co | | Oil & Gas Operator | May 1984 |
| 7444 | D.J. & T. Energy | Abilene, TX 79601 | Oil & Gas Operator | Apr 2025 |
| 7445 | D.J.F. Petroleum Corporation | | Oil & Gas Operator | Oct 1992 |
| 7446 | D.J.F. Services, Inc. | Holdenville, OK 74848 | Oil & Gas Operator | Apr 2025 |
| 7447 | D.K. Rush Oil Co., LLC | El Dorado, KS 67042 | Oil Operator | Dec 2024 |
| 7448 | D.K.D. | Merkel, TX 79536 | Oil & Gas Operator | Apr 2025 |
| 7449 | D.M. Well Service | | Oil Operator | Dec 2019 |
| 7450 | D.N.I. | Bangs, TX 76823 | Oil & Gas Operator | Apr 2025 |
| 7451 | D.O.E. Energy | Palestine, TX 75801 | Oil & Gas Operator | Apr 2025 |
| 7452 | D.T. Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 7453 | D.W.P. Production | Perryton, TX 79070 | Oil & Gas Operator | Nov 2020 |
| 7454 | D.W.R. Oil Properties, Inc. | Merkel, TX 79536 | Oil & Gas Operator | Feb 2025 |
| 7455 | D.W.S. Properties | Sterling, KS 67579 | Oil Operator | Mar 2006 |
| 7456 | D.Y. Exploration, Inc. | Boise, ID 83705 | Oil & Gas Operator | Apr 2025 |
| 7457 | D10 Energy LLC | Stinnett, TX 79083 | Oil & Gas Operator | Apr 2025 |
| 7458 | D90 Energy, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2025 |
| 7459 | Da Co Petroleum, Inc. | Wann, OK 74083 | Gas Operator | Apr 2003 |
| 7460 | Da Company Petro | | Gas Operator | Jun 1995 |
| 7461 | Da Crowe & Associates, Inc | Chappell Hill, TX 77426 | Oil & Gas Operator | Sep 2010 |
| 7462 | Da Energy, LLC | Lees Summit, MO 64063 | Oil Operator | Dec 2024 |
| 7463 | Dab And Associates Inc | Crescent, OK 73028-0580 | Oil & Gas Operator | Nov 2014 |
| 7464 | Dab Limited | Oklahoma City, OK 73116-9082 | Oil & Gas Operator | Aug 2013 |
| 7465 | Dabb Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | Aug 2020 |
| 7466 | Dac Oil Corporation | | Oil & Gas Operator | Dec 1985 |
| 7467 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 7468 | Daco Oil | Joinerville, TX 75658 | Oil & Gas Operator | Aug 2019 |
| 7469 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2025 |
| 7470 | Dacott Oil & Gas, LLC | Pampa, TX 79065 | Oil & Gas Operator | Sep 2011 |
| 7471 | Daesung Energy Resources Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2025 |
| 7472 | Daf Operating, LLC | Houston, TX 77005 | Oil & Gas Operator | Apr 2025 |
| 7473 | Dahab Energy Inc. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2025 |
| 7474 | Dahco Operating, LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2025 |
| 7475 | Dahill Murray P | Casper, WY 82601 | Oil & Gas Operator | Jun 2007 |
| 7476 | Dahl & Smith Oil Co | Barnsdall, OK 74002 | Oil & Gas Operator | Aug 1999 |
| 7477 | Dahl Randall Lee | Barnsdall, OK 74002 | Oil Operator | Jan 2025 |
| 7478 | Dahlia Operating LLC | Petrolia, TX 76377 | Oil & Gas Operator | Apr 2018 |
| 7479 | Dailey Oil And Gas LLC | | Oil & Gas Operator | Jun 2019 |
| 7480 | Daily, Carroll | Loving, TX 76460 | Oil & Gas Operator | Sep 2023 |
| 7481 | Dain Oil | Graham, TX 76450 | Oil & Gas Operator | Dec 2007 |
| 7482 | Daisy Pointer | | Oil Operator | Jul 1999 |
| 7483 | Dakar Operating Company | Pampa, TX 79066 | Oil & Gas Operator | Dec 2001 |
| 7484 | Dakota Crude, Inc. | | Oil & Gas Operator | Feb 2025 |
| 7485 | Dakota Drilling, LLC | Wichita, KS 67205 | Oil Operator | Feb 2006 |
| 7486 | Dakota Exploration LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2025 |
| 7487 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2024 |
| 7488 | Dakota Oil Company | Hebbronville, TX 78361 | Oil & Gas Operator | Apr 2025 |
| 7489 | Dakota Opr Co Inc | Indiana, PA 15701-0444 | Oil & Gas Operator | Dec 1999 |
| 7490 | Dakota Production Co., Inc. | Neodesha, KS 66757 | Gas Operator | Dec 2024 |
| 7491 | Dakota Resources | | Oil & Gas Operator | Jan 1989 |
| 7492 | Dakota Resources, Inc | Midland, TX 79707 | Oil & Gas Operator | Jan 2025 |
| 7493 | Dakota Resources, Inc. (I) | Midland, TX 79707 | Oil & Gas Operator | Apr 2025 |
| 7494 | Dakota West Pumping, Inc. | | Oil & Gas Operator | Feb 2004 |
| 7495 | Dakota-3 E&P Company, LLC | | Oil & Gas Operator | Jan 2012 |
| 7496 | Dal-Long Oil Company | | Oil Operator | Feb 2001 |
| 7497 | Dalco Petroleum, Inc | | Oil & Gas Operator | Jan 2006 |
| 7498 | Dalcor Energy LLC | Duncan, OK 73534 | Oil & Gas Operator | Feb 2025 |
| 7499 | Dale E. Jackson Production Co. | | Oil Operator | Dec 2024 |
| 7500 | Dale Expl Co & R. A. Campbell | | Oil Operator | Nov 1995 |