| 701 | Beckman Production Services Inc | | Oil Operator | Jan 2026 |
| 702 | Beckner Energy Resources LLC | | Oil Operator | Dec 2022 |
| 703 | Becktol Linda G | Morris, OK 74445 | Oil & Gas Operator | Jun 2025 |
| 704 | Beckville Disp Operations, LLC | Henderson, TX 75652 | Oil Operator | Jun 2026 |
| 705 | Becsul Energy | Oklahoma City, OK 73127 | Oil Operator | Jan 1992 |
| 706 | Becsul Energy Inc | Oklahoma City, OK 73127-4249 | Oil & Gas Operator | Feb 2026 |
| 707 | Bedford Energy Inc | Oklahoma City, OK 73112-4731 | Oil & Gas Operator | Sep 2016 |
| 708 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Jun 2026 |
| 709 | Bedrock Production, LLC | Fort Worth, TX 76106 | Oil & Gas Operator | May 2026 |
| 710 | Bee Cee Inc | Denton, TX 76206-0689 | Oil & Gas Operator | May 2013 |
| 711 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 712 | Bee-Jay Petro, Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 2024 |
| 713 | Beebe And Beebe | | Oil & Gas Operator | Jun 2000 |
| 714 | Beebe Exploration Co, LLC | El Dorado, AR 71730 | Oil Operator | Jan 2025 |
| 715 | Beech Resources LLC | Williamsport, PA 17701-6209 | Gas Operator | Mar 2026 |
| 716 | Beechlick Oil, Inc. | Salem, WV 26426-5522 | Oil & Gas Operator | Dec 2021 |
| 717 | Beeda Oil Company | Merkel, TX 79536 | Oil & Gas Operator | Jun 2026 |
| 718 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 719 | Beekay Company | Dallas, TX 75219 | Oil & Gas Operator | Dec 1996 |
| 720 | Beeler Phillip F | Norman, OK 73072-7522 | Oil & Gas Operator | Dec 2014 |
| 721 | Beem Oil & Gas Company | | Oil & Gas Operator | Dec 1994 |
| 722 | Beeman Oil & Gas LLC | | Oil & Gas Operator | Mar 2026 |
| 723 | Beene, Tommy H. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2005 |
| 724 | Beeson Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jun 2026 |
| 725 | Beeson, Richard W | | Oil Operator | Dec 2022 |
| 726 | Befco Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1993 |
| 727 | Behlen Incorporated | | Oil Operator | Jun 2001 |
| 728 | Behm Energy, Inc. | Minot, ND 58702 | Oil & Gas Operator | Apr 2026 |
| 729 | Behrens Resources Inc | | Oil & Gas Operator | Jul 2019 |
| 730 | Beisch & Hanna | Windthorst, TX 76389 | Oil & Gas Operator | Jun 2026 |
| 731 | Beisch, Larry | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2026 |
| 732 | Beisch, Rusty | Windthorst, TX 76389 | Oil & Gas Operator | Jun 2026 |
| 733 | Beisser Agnes Gas & Oil | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1996 |
| 734 | Bejo Corporation | Richmond, TX 77407 | Oil & Gas Operator | Jun 2026 |
| 735 | Bel Oil Corporation | Jenks, OK 74037 | Oil & Gas Operator | Jun 2005 |
| 736 | Bel Oil Corporation, Etal | | Oil & Gas Operator | May 1987 |
| 737 | Belco Development Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 1994 |
| 738 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 739 | Belco Operating Corp. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1998 |
| 740 | Belco Petroleum Corp | Grand Junction, CO | Oil & Gas Operator | Dec 1983 |
| 741 | Belcor Inc. | Irvine, CA 92714 | Oil & Gas Operator | Nov 2000 |
| 742 | Belden & Blake | | Oil & Gas Operator | Feb 1988 |
| 743 | Belden & Blake Corporation | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 744 | Belden And Blake Corp Dba Ward Lake Energy | | Oil & Gas Operator | Jul 2020 |
| 745 | Belden Brick Co LLC, The | Sugar Creek, OH 44681 | Oil & Gas Operator | Dec 2025 |
| 746 | Belisle Pete H | Tulsa, OK 74133 | Oil & Gas Operator | Apr 2015 |
| 747 | Belknap Enterprises | Exchange, WV 26619 | Gas Operator | Dec 2021 |
| 748 | Bell & Kinley Company | Piedmont, OK 73078 | Oil & Gas Operator | Aug 2017 |
| 749 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 750 | Bell And Gault Drilling Inc | | Oil & Gas Operator | Apr 2001 |
| 751 | Bell Brothers | | Oil Operator | Feb 2026 |
| 752 | Bell Drilling & Prod Co | Logan, OH 43138 | Oil & Gas Operator | Dec 1997 |
| 753 | Bell Energy | Kermit, TX 79745 | Oil & Gas Operator | Jun 2026 |
| 754 | Bell Jack | Beggs, OK 74421-2107 | Oil & Gas Operator | Apr 2020 |
| 755 | Bell John E & Sons | Bremen, OH 43107 | Oil & Gas Operator | Dec 1998 |
| 756 | Bell Oil | Junction City, OH 43748 | Oil & Gas Operator | Dec 2025 |
| 757 | Bell Oil Company | | Oil & Gas Operator | Oct 1985 |
| 758 | Bell Resources Inc | Billings, MT 59104 | Oil & Gas Operator | Jun 2016 |
| 759 | Bell Supply Co | Kilgore, TX 75662 | Oil & Gas Operator | Jan 2013 |
| 760 | Bell, Cody, Jr. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 761 | Bell, Johnny Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jun 2026 |
| 762 | Bell, Kelly Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 1995 |
| 763 | Bell, O. M. | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 764 | Bell, Robert | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 765 | Bellah & Mathiews | Woodson, TX 76491 | Oil & Gas Operator | Jun 2026 |
| 766 | Bellah Oil, Inc. | Seymour, TX 76380 | Oil & Gas Operator | Dec 2012 |
| 767 | Bellaire Oil Co | | Oil & Gas Operator | Mar 2026 |
| 768 | Bellaire Operating LLC. | | Oil Operator | Dec 2025 |
| 769 | Bellco Materials Inc | Fayetteville, AR 72703 | Oil Operator | Mar 2015 |
| 770 | Belle Exploration, Inc. | | Oil & Gas Operator | Jun 2021 |
| 771 | Belle Oil, Inc. | | Oil & Gas Operator | Dec 2025 |
| 772 | Bellevue Resources Inc | Lakewood, CO 80235 | Oil & Gas Operator | Feb 2009 |
| 773 | Bellmyer, Fred L | Caney, KS 67333 | Oil Operator | May 1997 |
| 774 | Bellnorth Petrol | | Oil Operator | Aug 1986 |
| 775 | Bellomo, David And Leah | Amherst, NY 14228 | Gas Operator | Dec 2024 |
| 776 | Bellows Operating Co., L. C. | Goliad, TX 77963 | Oil & Gas Operator | Jun 2026 |
| 777 | Bellows, Dewey Oper. Co., LTD. | Refugio, TX 78377 | Oil & Gas Operator | Jul 2013 |
| 778 | Bellows, Richard | Three Rivers, TX 78071 | Oil & Gas Operator | Nov 2008 |
| 779 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 780 | Belmac, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Nov 1998 |
| 781 | Belmar Oil & Gas, Inc. | Milano, TX 76556 | Oil & Gas Operator | Jun 2026 |
| 782 | Belnorth Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Feb 1991 |
| 783 | Below Ground Level LLC | Sand Springs, OK 74063 | Oil & Gas Operator | Jun 2026 |
| 784 | Belport Oil Inc | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2026 |
| 785 | Belridge Energy Resources Inc. | | Oil & Gas Operator | Feb 2026 |
| 786 | Belter Inc. | Seymour, TX 76380 | Oil Operator | Dec 2025 |
| 787 | Belvan Corp. | Midland, TX 79701 | Oil & Gas Operator | Jun 1998 |
| 788 | Belvoir Energy Inc. | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2017 |
| 789 | Bemco, LLC | Medicine Lodge, KS 67104 | Oil Operator | Feb 2026 |
| 790 | Ben Carroll | | Oil Operator | Dec 1985 |
| 791 | Benatty Corp., The | Cambridge, OH 43725-1002 | Oil & Gas Operator | Dec 1996 |
| 792 | Bench Oil | Duncan, OK 73533 | Oil Operator | Apr 2014 |
| 793 | Benchley Donald C | | Oil Operator | Jul 2012 |
| 794 | Benchley Donald P And Benchley Jeffrey P | | Oil Operator | Dec 2020 |
| 795 | Benchmark Crude Inc | Tulsa, OK 74105-5920 | Oil & Gas Operator | Sep 2015 |
| 796 | Benchmark Energy LLC | Pratt, KS 67124 | Oil & Gas Operator | Sep 2023 |
| 797 | Benchmark Oil & | | Oil Operator | Dec 1996 |
| 798 | Benchmark Oil & Gas Co. | Houston, TX 77282 | Oil & Gas Operator | Jun 2026 |
| 799 | Benchmark Oil & Gas Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
| 800 | Benchmark Production, LLC | Midland, TX 79701 | Oil Operator | May 2006 |