| 8501 | Dundee Oil & Supply Inc | Tulsa, OK 74101 | Oil & Gas Operator | Apr 2001 |
| 8502 | Dundee Petroleum, Inc. | Buffalo Gap, TX 79508 | Oil & Gas Operator | Aug 2003 |
| 8503 | Dune Oil And Gas, Inc. | Odessa, TX 79768 | Oil & Gas Operator | Aug 2006 |
| 8504 | Dune Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Jun 2016 |
| 8505 | Dune Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 1997 |
| 8506 | Dune Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jan 1993 |
| 8507 | Dunham'S Oil, LLC | Eureka, KS 67045 | Oil Operator | Jul 2024 |
| 8508 | Dunhill Expl. & Prod., LLC | | Oil & Gas Operator | Nov 2004 |
| 8509 | Dunhill Resources, Inc. | | Oil & Gas Operator | Nov 2005 |
| 8510 | Dunigan Operating Company, Inc. | Austin, TX 78755 | Oil & Gas Operator | Nov 2024 |
| 8511 | Dunigan Petroleum, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 8512 | Dunkin Oil And Gas LLC | Wynewood, OK 73098-9196 | Oil Operator | Sep 2024 |
| 8513 | Dunkirk City School District | Dunkirk, NY 14048 | Gas Operator | Dec 2023 |
| 8514 | Dunlap Drilling & Prod Inc | Glenpool, OK 74033-4206 | Oil & Gas Operator | Aug 2024 |
| 8515 | Dunlap Exploration, Inc. | Fort Worth, TX 76101 | Oil & Gas Operator | Nov 2016 |
| 8516 | Dunlap Jr E | | Oil & Gas Operator | May 1997 |
| 8517 | Dunlap Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Sep 2024 |
| 8518 | Dunlap Well Service Inc | Haskell, OK 74436 | Oil & Gas Operator | Sep 1993 |
| 8519 | Dunlap, Rodge | Olney, TX 76374 | Oil & Gas Operator | Aug 2002 |
| 8520 | Dunn Energy LLC | Skiatook, OK 74070-4046 | Oil Operator | Sep 2022 |
| 8521 | Dunn Exploration Company, LLC | | Oil & Gas Operator | Jun 2024 |
| 8522 | Dunn Joseph L | Washington, PA 15301-6404 | Oil & Gas Operator | Dec 2021 |
| 8523 | Dunn'S Oil And Gas Lease Management LLC | Ardmore, OK 73401 | Oil & Gas Operator | Aug 2024 |
| 8524 | Dunn'S Tank Service Inc | Fox, OK 73435-0232 | Oil Operator | Sep 2014 |
| 8525 | Dunne Equities I | | Oil & Gas Operator | Dec 1995 |
| 8526 | Dunne Equities Operating Inc | Houston, TX 77057 | Oil & Gas Operator | Aug 2022 |
| 8527 | Dunne Equities, Inc. | Wichita, KS 67226 | Oil & Gas Operator | Apr 2014 |
| 8528 | Dunne Investments Operating, Inc. | Wichita, KS 67226 | Oil Operator | Mar 2002 |
| 8529 | Dunne Oil Co. | Wichita, KS 67202 | Oil Operator | Apr 1999 |
| 8530 | Dunne-Gardner Pe | | Oil & Gas Operator | Nov 1992 |
| 8531 | Dunne-Gardner Petroleum, Inc. | Wichita, KS 67202 | Gas Operator | Jun 2022 |
| 8532 | Dunnewold Farms LLC | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 8533 | Dunsmoor, David E. | Grand Junction, CO 81504 | Oil Operator | Jul 1998 |
| 8534 | Dupke Roger Oil Co Inc | Reno, OH 45773 | Oil & Gas Operator | Dec 2004 |
| 8535 | Duplantis Energy, LLC | Pleasanton, TX 78064 | Oil Operator | Nov 2024 |
| 8536 | Dupont Oil Company | | Oil Operator | Feb 1998 |
| 8537 | Dupree And Dupree | | Oil Operator | Dec 1998 |
| 8538 | Durango Energy Inc | Chickasha, OK 73023 | Oil Operator | Dec 1999 |
| 8539 | Durango Exploration LLC | Oklahoma City, OK 73120-5309 | Oil & Gas Operator | Sep 2024 |
| 8540 | Durango Operating Co., Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2002 |
| 8541 | Durango Operating, LLC | Ridgeland, MS 39157-5109 | Oil & Gas Operator | Aug 2024 |
| 8542 | Durango Resources Corp. | Houston, TX 77043 | Oil & Gas Operator | Nov 2024 |
| 8543 | Durbin, Ronald R. | Moline, KS 67353 | Oil Operator | Dec 1988 |
| 8544 | Durham, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jul 2016 |
| 8545 | Durossette Bill D | Haskell, OK 74436-1350 | Oil & Gas Operator | Jul 2004 |
| 8546 | Durossette Floyd R | Warner, OK 74469-0548 | Oil & Gas Operator | Apr 2011 |
| 8547 | Durossette Jr Jess | Haskell, OK 74436 | Oil Operator | Mar 2007 |
| 8548 | Durst Oil & Gas, Inc. | Point Pleasant, WV 25550 | Oil & Gas Operator | Dec 2021 |
| 8549 | Durst Oil Company | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Sep 2000 |
| 8550 | Dust Bowl Oil Company, Inc. | Spencerport, NY 14559 | Oil Operator | Dec 2023 |
| 8551 | Duster Production, Inc. | Refugio, TX 78377 | Oil & Gas Operator | Oct 2011 |
| 8552 | Dustin Energy Inc | Warren, OH 44481 | Oil & Gas Operator | Dec 2023 |
| 8553 | Dustin Enterprise | Olathe, KS 66062 | Oil Operator | Feb 1998 |
| 8554 | Dusty Drilling & Producing Corp | New Lexington, OH 43764-1552-1552 | Oil & Gas Operator | Dec 2005 |
| 8555 | Dutch Ridge Gas Ventures, LLC | Charleston, WV 25339 | Oil & Gas Operator | Dec 2021 |
| 8556 | Dutton Bill J Oi | | Oil & Gas Operator | Oct 1992 |
| 8557 | Duty Oil & Gas Prod Co | Akron, OH 44306 | Oil & Gas Operator | Dec 1997 |
| 8558 | Duval Gas Gathering Corporation | Austin, TX 78711 | Oil & Gas Operator | Nov 2024 |
| 8559 | Dvi | | Oil Operator | Dec 2008 |
| 8560 | Dvy Energy LLC | Hadley, PA 16130-2320 | Gas Operator | Dec 2023 |
| 8561 | DW Oil & Gas LLC | Okmulgee, OK 74447 | Oil & Gas Operator | Aug 2024 |
| 8562 | Dwarf Oil Company | | Oil & Gas Operator | Jul 2024 |
| 8563 | Dwayne'S Engineering | | Oil Operator | Aug 2024 |
| 8564 | Dwight A Tipton | Lovington, NM 88260 | Oil & Gas Operator | Aug 2024 |
| 8565 | Dwight Tipton Et Al | Hobbs, NM 88240 | Oil & Gas Operator | Nov 2002 |
| 8566 | DWJS Inc | Oklahoma City, OK 73159 | Oil & Gas Operator | Aug 2024 |
| 8567 | DWP Oil & Gas | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 2024 |
| 8568 | Dyad Petroleum Company | Midland, TX 79710 | Oil & Gas Operator | Sep 2021 |
| 8569 | Dyco Petroleum Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
| 8570 | Dye Walter M | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2022 |
| 8571 | Dye, Jennifer J. | South Dayton, NY 14138 | Gas Operator | Dec 2023 |
| 8572 | Dyer Dale E Dba The Loving Company | Tulsa, OK 74107 | Oil & Gas Operator | Sep 2024 |
| 8573 | Dyer J G | | Oil & Gas Operator | May 1985 |
| 8574 | Dyer, Charles Wilbur | Longton, KS 67352 | Oil Operator | Jun 2024 |
| 8575 | Dyersdale Energy, L.P. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 8576 | Dyersdale Production Co, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 8577 | Dykes Oil Co. | | Oil Operator | Dec 2001 |
| 8578 | Dykstra Tile Co LLC | | Oil Operator | Apr 2002 |
| 8579 | Dym Energy, Inc. | Celina, TX 75009 | Oil & Gas Operator | Apr 2018 |
| 8580 | Dynaco, Incorporated | | Oil & Gas Operator | Dec 1980 |
| 8581 | Dynamic Development Inc | | Oil & Gas Operator | Aug 2024 |
| 8582 | Dynamic Exploration PTRS, LLC | | Oil & Gas Operator | Jul 2024 |
| 8583 | Dynamic Exploration, Inc. | | Oil & Gas Operator | Oct 2003 |
| 8584 | Dynamic Offshore Res. NS, LLC | Houston, TX 77010 | Oil & Gas Operator | May 2010 |
| 8585 | Dynamic Offshore Resources, LLC | Houston, TX 77042 | Oil & Gas Operator | Nov 2024 |
| 8586 | Dynamic Petroleum Res., Inc. | Houston, TX 77068 | Oil & Gas Operator | Jul 1994 |
| 8587 | Dynamic Production, Inc. | Fort Worth, TX 76106 | Oil & Gas Operator | Nov 2024 |
| 8588 | Dyne Exploration Company | Plano, TX 75093-6512 | Oil & Gas Operator | Apr 2020 |
| 8589 | Dyne Oil & Gas,Inc. | Borger, TX 79008 | Oil & Gas Operator | Dec 2017 |
| 8590 | Dyno Energy LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2024 |
| 8591 | Dyson Energy Operating, LLC | Bryan, TX 77802 | Oil & Gas Operator | Jun 2018 |
| 8592 | Dzurik Interests, Inc. | | Oil & Gas Operator | May 2024 |
| 8593 | E & B Equipment | Liberty, TX 77575 | Oil & Gas Operator | Feb 2010 |
| 8594 | E & B Natural Resources Management | Guilderland Centek, NY 12085 | Oil & Gas Operator | Sep 2024 |
| 8595 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Aug 2024 |
| 8596 | E & E Construction Company | Wichita Falls, TX 76308 | Oil Operator | Nov 2024 |
| 8597 | E & E Drilling Co., Inc. | Wichita Falls, TX 76308 | Oil Operator | Nov 2024 |
| 8598 | E & E Enterprises | Enid, OK 73703-1420 | Oil & Gas Operator | Nov 2014 |
| 8599 | E & E Oil | | Oil Operator | Dec 2019 |
| 8600 | E & E Production Company, Inc. | | Oil & Gas Operator | Dec 2004 |