| 701 | Bec Corp | Midland, TX 79702 | Oil & Gas Operator | Jan 2014 |
| 702 | Becca Oil LLC | Cushing, OK 74023-1347 | Oil & Gas Operator | Feb 2025 |
| 703 | Bech Oil & Gas | Lowell, AR 72745 | Gas Operator | Jan 2025 |
| 704 | Bech Oil & Gas, Inc. | | Oil & Gas Operator | Mar 1994 |
| 705 | Bechel Oil, LLC. | Maiden Rock, WI 54750 | Oil Operator | Feb 2022 |
| 706 | Bechtel Energy PTNR LTD PRTNRS | | Oil & Gas Operator | Jan 1996 |
| 707 | Bechtel Energy Resources Corp. | Houston, TX 77210 | Oil & Gas Operator | Jun 1996 |
| 708 | Bechtel Petroleum Operations Inc. | | Oil & Gas Operator | Dec 1997 |
| 709 | Beck Energy Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 710 | Beck George N | Murrysville, PA 15668-9635 | Oil & Gas Operator | Dec 2016 |
| 711 | Beck James L | Pleasantville, PA 16341-2718 | Oil Operator | Dec 2004 |
| 712 | Beck Oil & Gas Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 713 | Beck Oil Company | | Oil Operator | Sep 1996 |
| 714 | Beck Oil Inc | | Oil & Gas Operator | Jan 2025 |
| 715 | Beck Pump & Supply Inc | Hennessey, OK 73742-0175 | Oil & Gas Operator | Nov 2019 |
| 716 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Feb 2025 |
| 717 | Becker Oil Corpo | | Oil & Gas Operator | Dec 1996 |
| 718 | Becker Oil Corporation | Ponca City, OK 74602 | Oil & Gas Operator | Feb 2025 |
| 719 | Becker, Clyde M. | Ponca City, OK 74601 | Oil & Gas Operator | Oct 2009 |
| 720 | Becker, Lavern | Russell, KS 67665 | Oil Operator | Oct 1995 |
| 721 | Beckham Oil Co | Jal, NM 88252 | Oil & Gas Operator | Nov 2009 |
| 722 | Beckham Resources, Inc. | Houston, TX 77010 | Oil & Gas Operator | Mar 2011 |
| 723 | Beckman Production Services Inc | | Oil Operator | Jan 2025 |
| 724 | Beckner Energy Resources LLC | | Oil & Gas Operator | Dec 2022 |
| 725 | Becktol Linda G | Morris, OK 74445 | Oil & Gas Operator | Feb 2025 |
| 726 | Beckville Disp Operations, LLC | Henderson, TX 75652 | Oil Operator | Jun 2025 |
| 727 | Becsul Energy | Oklahoma City, OK 73127 | Oil Operator | Jan 1992 |
| 728 | Becsul Energy Inc | Oklahoma City, OK 73127-4249 | Oil & Gas Operator | Feb 2025 |
| 729 | Bedford Energy Inc | Oklahoma City, OK 73112-4731 | Oil & Gas Operator | Sep 2016 |
| 730 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Jun 2025 |
| 731 | Bedrock Production, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 732 | Bee Cee Inc | Denton, TX 76206-0689 | Oil & Gas Operator | May 2013 |
| 733 | Bee Square Energy Resources LLC | Tulsa, OK 74132-1849 | Oil Operator | Feb 2025 |
| 734 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 735 | Bee-Jay Petro, Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 2024 |
| 736 | Beebe And Beebe | | Oil & Gas Operator | Jun 2000 |
| 737 | Beebe Exploration Co, LLC | El Dorado, AR 71730 | Oil Operator | Dec 2024 |
| 738 | Beech Grove Minerals, LLC | Calhoun, KY 42327 | Oil Operator | Dec 2023 |
| 739 | Beech Resources LLC | Williamsport, PA 17701-6209 | Gas Operator | Mar 2025 |
| 740 | Beechlick Oil, Inc. | Salem, WV 26426-5522 | Oil & Gas Operator | Dec 2021 |
| 741 | Beeda Oil Company | Merkel, TX 79536 | Oil & Gas Operator | Jun 2025 |
| 742 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 743 | Beekay Company | Dallas, TX 75219 | Oil & Gas Operator | Dec 1996 |
| 744 | Beeler Phillip F | Norman, OK 73072-7522 | Oil & Gas Operator | Dec 2014 |
| 745 | Beem Oil & Gas Company | | Oil & Gas Operator | Dec 1994 |
| 746 | Beeman Oil & Gas LLC | | Oil & Gas Operator | Apr 2025 |
| 747 | Beene, Tommy H. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2005 |
| 748 | Beeson Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jun 2025 |
| 749 | Beeson, Richard W | | Oil Operator | Dec 2022 |
| 750 | Befco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1993 |
| 751 | Behlen Incorporated | | Oil Operator | Jun 2001 |
| 752 | Behm Energy, Inc. | Minot, ND 58702 | Oil & Gas Operator | Mar 2025 |
| 753 | Beisch & Hanna | Windthorst, TX 76389 | Oil & Gas Operator | Jun 2025 |
| 754 | Beisch, Larry | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2025 |
| 755 | Beisch, Rusty | Windthorst, TX 76389 | Oil & Gas Operator | Jun 2025 |
| 756 | Beisser Agnes Gas & Oil | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1996 |
| 757 | Bejo Corporation | Richmond, TX 77407 | Oil & Gas Operator | Jun 2025 |
| 758 | Bel Oil Corporation | Jenks, OK 74037 | Oil & Gas Operator | Jun 2005 |
| 759 | Bel Oil Corporation, Etal | | Oil & Gas Operator | May 1987 |
| 760 | Belco Development Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 1994 |
| 761 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 762 | Belco Operating Corp. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1998 |
| 763 | Belco Petroleum Corp | Grand Junction, CO | Oil & Gas Operator | Dec 1983 |
| 764 | Belcor Inc. | Irvine, CA 92714 | Oil & Gas Operator | Nov 2000 |
| 765 | Belden & Blake | | Oil & Gas Operator | Feb 1988 |
| 766 | Belden & Blake Corporation | North Canton, OH 44720-0500-0500 | Oil & Gas Operator | Dec 2016 |
| 767 | Belden And Blake Corp Dba Ward Lake Energy | | Oil & Gas Operator | Jul 2020 |
| 768 | Belden Brick Co LLC, The | Sugar Creek, OH 44681 | Oil & Gas Operator | Dec 2024 |
| 769 | Belisarius LTD | Grove, OK 74344-7445 | Gas Operator | Sep 2014 |
| 770 | Belisle Pete H | Tulsa, OK 74133 | Oil & Gas Operator | Apr 2015 |
| 771 | Belknap Enterprises | Exchange, WV 26619 | Gas Operator | Dec 2021 |
| 772 | Bell & Kinley Company | Piedmont, OK 73078 | Oil & Gas Operator | Aug 2017 |
| 773 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 774 | Bell And Gault Drilling Inc | | Oil & Gas Operator | Apr 2001 |
| 775 | Bell Brothers | | Oil Operator | Feb 2025 |
| 776 | Bell Drilling & Prod Co | Logan, OH 43138-502-502 | Oil & Gas Operator | Dec 1997 |
| 777 | Bell Energy | Kermit, TX 79745 | Oil & Gas Operator | Jun 2025 |
| 778 | Bell Jack | Beggs, OK 74421-2107 | Oil & Gas Operator | Apr 2020 |
| 779 | Bell John E & Sons | Bremen, OH 43107 | Oil & Gas Operator | Dec 1998 |
| 780 | Bell Oil | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 781 | Bell Oil Company | | Oil & Gas Operator | Oct 1985 |
| 782 | Bell Resources Inc | Billings, MT 59104 | Oil & Gas Operator | Jun 2016 |
| 783 | Bell Supply Co | Kilgore, TX 75662 | Oil & Gas Operator | Jan 2013 |
| 784 | Bell, Cody, Jr. | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 785 | Bell, Johnny Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jun 2025 |
| 786 | Bell, Kelly Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 1995 |
| 787 | Bell, O. M. | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 788 | Bell, Robert | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 789 | Bellah & Mathiews | Woodson, TX 76491 | Oil & Gas Operator | Jun 2025 |
| 790 | Bellah Oil, Inc. | Seymour, TX 76380 | Oil & Gas Operator | Dec 2012 |
| 791 | Bellaire Oil Company | | Oil & Gas Operator | Apr 2025 |
| 792 | Bellco Materials Inc | Fayetteville, AR 72703 | Oil Operator | Mar 2015 |
| 793 | Bellco, LLC | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 794 | Belle Exploration, Inc. | | Oil & Gas Operator | Jun 2021 |
| 795 | Belle Oil, Inc. | | Oil & Gas Operator | Mar 2025 |
| 796 | Bellevue Resources Inc | Lakewood, CO 80235 | Oil & Gas Operator | Feb 2009 |
| 797 | Bellmyer, Fred L | Caney, KS 67333 | Oil Operator | May 1997 |
| 798 | Bellnorth Petrol | | Oil Operator | Aug 1986 |
| 799 | Bellomo, David And Leah | Amherst, NY 14228 | Gas Operator | Dec 2023 |
| 800 | Bellows Operating Co., L. C. | Goliad, TX 77963 | Oil & Gas Operator | Jun 2025 |