| 601 | Brewer, Freddie P. | Paola, KS 66071 | Oil Operator | Nov 2003 |
| 602 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 603 | BRG Petroleum LLC | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2025 |
| 604 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
| 605 | Brickley Enterprises, LLC | Eldorado, KS 67042 | Oil Operator | Sep 2025 |
| 606 | Bridwell Oil Company, A General Partnership | Wichita Falls, TX 76307 | Oil Operator | Sep 2025 |
| 607 | Bridwell, Kayla & Gary | Independence, KS 67301 | Oil & Gas Operator | Dec 2009 |
| 608 | Brigco LLC | Lakin, KS 67860 | Gas Operator | Dec 2023 |
| 609 | Bright, Wayne E. | Independence, KS 67301 | Oil & Gas Operator | Sep 2025 |
| 610 | Brigman Prod Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2009 |
| 611 | Brinker Enterprises, LLC | Glen Elder, KS 67446 | Oil Operator | Sep 2025 |
| 612 | Briscoe Petroleum, LLC | Sheridan, WY 82801 | Oil & Gas Operator | Jan 2026 |
| 613 | Bristol Resource | | Oil & Gas Operator | Jan 1995 |
| 614 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 615 | Brite Liquids, LLC | Cheyenne Wells, CO 80810 | Oil & Gas Operator | Dec 2011 |
| 616 | Brito Oil Co., Inc | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
| 617 | Brixey Enterprises | Stilwell, KS 66085 | Oil Operator | Sep 1996 |
| 618 | Brock Oil & Gas | | Oil & Gas Operator | Dec 1996 |
| 619 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 620 | Brooks Range Corporation | Denver, CO 80209 | Gas Operator | Dec 2022 |
| 621 | Brooks Ron Corpo | | Oil & Gas Operator | Sep 1995 |
| 622 | Brooks, Ron Corporation | Hutchinson, KS 67502 | Gas Operator | Apr 1999 |
| 623 | Brooks, Wanita M. | Moore, OK 73153 | Oil Operator | Jul 2003 |
| 624 | Brougher Oil, Inc. | Wichita, KS 67212 | Oil & Gas Operator | Apr 2002 |
| 625 | Broughton Oil | | Oil Operator | Nov 1985 |
| 626 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 627 | Brown Gene Compa | | Oil Operator | Sep 1995 |
| 628 | Brown Kenny Ente | | Oil Operator | Jul 1995 |
| 629 | Brown Operating | | Oil & Gas Operator | Dec 1991 |
| 630 | Brown Tom Constr | | Oil Operator | Dec 1995 |
| 631 | Brown VIola E. | Plainville, KS 67663 | Oil Operator | May 2014 |
| 632 | Brown, Gene Company | Plainville, KS 67663 | Oil Operator | May 1996 |
| 633 | Brown, Nicholas L. | Iola, KS 66749 | Oil Operator | Apr 2010 |
| 634 | Brown, Thomas M. (Deceased) | Plainville, KS 67663 | Oil Operator | May 2006 |
| 635 | Brown, William F. | Cheney, KS 67025 | Oil & Gas Operator | Sep 2025 |
| 636 | Broyles, Gerald Earl | Eureka, KS 67045 | Oil Operator | Apr 1996 |
| 637 | Bruce Lonny | | Oil Operator | Sep 1992 |
| 638 | Bruce Oil Compan | | Oil & Gas Operator | Dec 1996 |
| 639 | Bruce Oil Company, LLC | McPherson, KS 67460 | Oil Operator | Sep 2025 |
| 640 | Bruce Oil Operat | | Oil Operator | Dec 1987 |
| 641 | Brull, Allen | Victoria, KS 67671 | Oil Operator | Sep 2025 |
| 642 | Brundred Petrole | | Oil Operator | Apr 1986 |
| 643 | Bruner, Alan | Moline, KS 67353 | Oil Operator | Jun 2003 |
| 644 | Brungardt Oil And Leasing Inc. | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 645 | Bruning, Donald F. | Sterling, KS 67579 | Oil Operator | Apr 2001 |
| 646 | Brunson Producti | | Oil & Gas Operator | Aug 1993 |
| 647 | Brunson Production, Inc. | Wichita, KS 67226 | Oil & Gas Operator | Sep 2025 |
| 648 | Bryan Eugene W S | | Oil & Gas Operator | Nov 1995 |
| 649 | Bryan, Dorothy J. | Canton, KS 67428 | Oil & Gas Operator | Nov 2000 |
| 650 | Bryant Investors, A General Partnership | Lyons, KS 67554 | Oil Operator | Oct 2009 |
| 651 | Bta Operating | Edmond, OK 73083 | Oil & Gas Operator | May 2020 |
| 652 | Buccaneer Petrol | | Oil Operator | Jan 1988 |
| 653 | Buck Paul J | | Oil & Gas Operator | Feb 1995 |
| 654 | Buck, Paul Jordan | Sedan, KS 67361 | Oil & Gas Operator | Sep 2025 |
| 655 | Buckeye Corporat | | Oil Operator | Dec 1996 |
| 656 | Buckeye West LLC | Wooster, OH 44691 | Oil Operator | Sep 2025 |
| 657 | Buddie Sallee | Humboldt, KS 66748 | Oil Operator | Dec 2002 |
| 658 | Buffalo Oil & Gas LLC | Oxford, KS 67119 | Oil & Gas Operator | Sep 2025 |
| 659 | Buffalo Operating Corporation | Westminister, CO 80234 | Oil & Gas Operator | Dec 2001 |
| 660 | Buffalo Resources LLC | Woodward, OK 73801 | Oil & Gas Operator | Aug 2025 |
| 661 | Bullseye Oilfield Service | Cunningham, KS 67035 | Oil Operator | Apr 2023 |
| 662 | Bullseye Petrole | | Oil Operator | Oct 1992 |
| 663 | Bullseye Petroleum, Inc. | Wichita, KS 67230 | Oil Operator | Aug 2025 |
| 664 | Burch Exploratio | | Oil Operator | Mar 1991 |
| 665 | Burch Exploration, Inc. | Parker, CO 80134 | Gas Operator | Apr 1996 |
| 666 | Burdett, Alfred | Sedan, KS 67361 | Oil Operator | Aug 2008 |
| 667 | Buried Hills Prod. Co., Inc. | Midvale, UT 84047 | Oil Operator | Dec 2006 |
| 668 | Burk Lease | Cherryvale, KS 67335 | Oil & Gas Operator | Mar 1994 |
| 669 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 670 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 671 | Burnett Corporat | | Oil & Gas Operator | Oct 1993 |
| 672 | Burns WM J | | Oil Operator | Jun 1994 |
| 673 | Burris Energy LLC | Burlington, KS 66839 | Oil & Gas Operator | Sep 2016 |
| 674 | Burris Ronald/Si | | Oil Operator | Jun 1992 |
| 675 | Burris, J. R. | Manhattan, KS 66502 | Oil Operator | Dec 2019 |
| 676 | Burton Cecil Et | | Oil & Gas Operator | Sep 1983 |
| 677 | Burton Oil Produ | | Oil Operator | Jan 1985 |
| 678 | Butler Petroleum LLC | Van Alstyne, TX 75495 | Oil Operator | May 2020 |
| 679 | Butler, Harold F. | Independence, KS 67301 | Oil Operator | Sep 2002 |
| 680 | Butte Oil And Gas Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Nov 2025 |
| 681 | Buttonwood Petro | | Oil & Gas Operator | Aug 1994 |
| 682 | BWC Energy LLC | Edgerton, KS 66021 | Oil Operator | Sep 2025 |
| 683 | Byers Clarice An | | Oil Operator | Nov 1988 |
| 684 | C & B Operating Inc. | St John, KS 67576 | Oil & Gas Operator | Sep 2025 |
| 685 | C & C Oil | | Oil & Gas Operator | Jan 2004 |
| 686 | C & C Oil & Gas | Ranger, TX 76470 | Oil & Gas Operator | Feb 2026 |
| 687 | C & C Tank Service, Inc. | Sterling, KS 67579 | Oil Operator | Oct 2020 |
| 688 | C & D Supply | Cherokee, OK 73728-5817 | Oil & Gas Operator | Nov 2025 |
| 689 | C & E Oil, LLC | Grenola, KS 67346 | Oil Operator | Nov 2021 |
| 690 | C & E Prod Incor | | Oil Operator | Nov 1996 |
| 691 | C & F Ranch LLC | Iola, KS 66749 | Oil Operator | Sep 2025 |
| 692 | C & G Drilling, Inc | Eureka, KS 67045 | Oil Operator | Sep 2025 |
| 693 | C & G Oil Compan | | Oil & Gas Operator | Dec 1989 |
| 694 | C & H Energy LLC | Blue Mound, KS 66010 | Oil Operator | Nov 2009 |
| 695 | C & J Production LLC | Marion, KS 66861 | Oil & Gas Operator | Feb 2025 |
| 696 | C & J Pumping, Inc. | Sylvia, KS 67581 | Oil & Gas Operator | Dec 2009 |
| 697 | C & K Operating LLC | Kingman, KS 67068 | Oil & Gas Operator | Sep 2025 |
| 698 | C & R Drilling C | | Oil Operator | Aug 1994 |
| 699 | C & R Oil | | Oil Operator | Sep 2025 |
| 700 | C & R Petroleum Company | Duncan, OK 73533-1341 | Oil & Gas Operator | Oct 2025 |