601 | Oneok Field Services Company | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2022 |
602 | Oneok Resources Company | Tulsa, OK 74102 | Oil & Gas Operator | Feb 2017 |
603 | Onshore Royalties LLC | Houston, TX 77269 | Oil & Gas Operator | Feb 2024 |
604 | Onyx Properties Corp | Oklahoma City, OK 73114 | Oil & Gas Operator | May 2006 |
605 | Opal Operating Company LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2024 |
606 | Osborn Heirs Co | San Antonio, TX 78217 | Oil & Gas Operator | Mar 2024 |
607 | Oso Resources LLC | | Oil & Gas Operator | Jan 2024 |
608 | Otc Petroleum Corporation | Oklahoma City, OK 73116 | Oil & Gas Operator | Mar 2015 |
609 | Ovintiv Mid-Continent Inc. | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jan 2024 |
610 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
611 | P O & G Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
612 | Pacific Enterprise Oil Co USA | Los Angeles, CA 90071-2005 | Oil & Gas Operator | Aug 2012 |
613 | Pacific Enterprises Royalty Co | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
614 | Paleo, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Apr 2024 |
615 | Palm Oil & Gas Company | Sedona, AZ 86340-4808 | Oil & Gas Operator | Feb 2024 |
616 | Paluca Petroleum Inc | Holdenville, OK 74848 | Oil & Gas Operator | Jan 2024 |
617 | Panenergy Services Inc | Houston, TX 77525 | Oil & Gas Operator | May 2001 |
618 | Panexco Operating LLC | Oklahoma City, OK 73103-2203 | Oil & Gas Operator | Oct 2014 |
619 | Panhandle Oil & Gas Consultants Inc | Woodward, OK 73802-5011 | Oil & Gas Operator | Jul 2015 |
620 | Panhandle Trading Company | Houston, TX 77251-1642 | Oil & Gas Operator | Jun 2003 |
621 | Pantera Energy Company | Amarillo, TX 79101 | Oil & Gas Operator | Apr 2024 |
622 | Papal Enterprises Inc | Oklahoma City, OK 73154-1555 | Oil & Gas Operator | Apr 2015 |
623 | Paragon Production Company | Edmond, OK 73013-5051 | Oil & Gas Operator | Feb 2021 |
624 | Paramount Petroleum Corp | Dallas, TX 75374 | Oil Operator | Dec 2000 |
625 | Pardee Production Co. | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2021 |
626 | Park William M | Skiatook, OK 74070-0718 | Oil & Gas Operator | Jan 2024 |
627 | Parker & Parsley Dev Co | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
628 | Parker & Parsley Dev LP | Irving, TX 75039-3745 | Oil & Gas Operator | Mar 2015 |
629 | Parks Bill M | Seminole, OK 74818-1648 | Oil & Gas Operator | Apr 2014 |
630 | Parks James L | Edmond, OK 73034 | Oil & Gas Operator | Aug 2005 |
631 | Patina Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2016 |
632 | Patina Oklahoma Corp | Duncan, OK 73533-9523 | Oil & Gas Operator | Nov 2014 |
633 | Payne Exploration Company | Crescent, OK 73028-0502 | Oil & Gas Operator | Jan 2024 |
634 | Payne W C Family Trust | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Mar 2015 |
635 | PBT Enterprises Inc | Garber, OK 73738-0262 | Oil & Gas Operator | May 2023 |
636 | PCX Corporation | | Oil & Gas Operator | Feb 1994 |
637 | Pearl Oil Company | Nichols Hills, OK 73120-1408 | Oil & Gas Operator | Nov 2023 |
638 | Pegasus Energy Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Mar 2015 |
639 | Pelican Production Company | New Orleans, LA 70130-2477 | Oil & Gas Operator | Mar 2014 |
640 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Feb 2024 |
641 | Pennmark Resources Company | Edmond, OK 73013 | Oil & Gas Operator | Jan 2024 |
642 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | Feb 2024 |
643 | Perrin, Mary L | | Oil & Gas Operator | Oct 2005 |
644 | Petro Energy Inc | Farmington, NM 87499 | Oil & Gas Operator | Jan 2024 |
645 | Petro-Lewis Corp. | | Oil & Gas Operator | Feb 1994 |
646 | Petrocorp Incorporated | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2021 |
647 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
648 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
649 | Petroleum Investment Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 1998 |
650 | Petroleum Management Prof Inc | Oklahoma City, OK 73120-1848 | Oil & Gas Operator | Apr 2009 |
651 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Apr 2024 |
652 | Petroleum Properties MGMT. Co. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2014 |
653 | Petroleum Reserve Corporation | Plymouth MTNG, PA 19462 | Oil & Gas Operator | May 2008 |
654 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Apr 2024 |
655 | Philcon Development Co. | Amarillo, TX 79101 | Oil & Gas Operator | Sep 2014 |
656 | Phillips Oil Operating Co | Enid, OK 73703-4921 | Oil & Gas Operator | May 2019 |
657 | Phoenix Oil & Gas Inc | Seminole, OK 74818-1859 | Oil & Gas Operator | Jan 2024 |
658 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Feb 2024 |
659 | Pioneer Of Oklahoma LP | Houston, TX 77090-3655 | Oil & Gas Operator | Sep 2023 |
660 | Piper Operating LLC | | Oil & Gas Operator | Feb 2024 |
661 | Plains Liquids Transport Inc | Houston, TX 77002 | Oil & Gas Operator | May 1996 |
662 | Plains Marketing LP | Cushing, OK 74023 | Oil & Gas Operator | Dec 2022 |
663 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
664 | Plainsmen Energy LLC | | Oil & Gas Operator | Feb 2024 |
665 | Polaris Energy Dev Co | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2000 |
666 | Pollok Energy LLC | Tulsa, OK 74159 | Oil & Gas Operator | Feb 2024 |
667 | Pontotoc Operations Inc | Dallas, TX 75225-1425 | Oil & Gas Operator | Jun 2017 |
668 | Post Oak Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 2013 |
669 | Powerline Energy Corporation | Arlington, TX 76015 | Oil & Gas Operator | Apr 2024 |
670 | Premier Resources LTD | Denver, CO 80237 | Oil & Gas Operator | Jul 2002 |
671 | Prentice Napier & Green Inc | Oklahoma City, OK 73172-1424 | Oil & Gas Operator | Feb 2024 |
672 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
673 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2024 |
674 | Primary Natural Resources III LLC | Tulsa, OK 74136-6351 | Oil & Gas Operator | Feb 2024 |
675 | Primary Natural Resources Inc. | Tulsa, OK 74136-6351 | Oil & Gas Operator | Mar 2023 |
676 | Prime Energy Corp | Charleston, WV 25301-1707-1707 | Oil & Gas Operator | Sep 2015 |
677 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
678 | Primexx Operating Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jan 2024 |
679 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
680 | Production Gathering Co | Dallas, TX 75243 | Oil & Gas Operator | Apr 2009 |
681 | Protege Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2018 |
682 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Jan 2024 |
683 | Psec Inc | Tulsa, OK 74102-0871 | Oil & Gas Operator | Dec 2016 |
684 | PT II LTD | | Oil & Gas Operator | Oct 2004 |
685 | Pyro Energy Corp | Kingwood, TX 77339-2102 | Oil & Gas Operator | Mar 1998 |
686 | Qep Energy Company | Midland, TX 79701 | Oil & Gas Operator | Jan 2024 |
687 | Quad J Oil & Gas LLC | Crescent, OK 73028-0037 | Oil & Gas Operator | Feb 2024 |
688 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Jan 2024 |
689 | Questa Energy Corporation | Amarillo, TX 79159 | Oil & Gas Operator | Apr 2024 |
690 | Questar Energy Trading | Salt Lake City, UT 84145-0601 | Oil & Gas Operator | Mar 2020 |
691 | Questar Explor & Prod Co | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2017 |
692 | R & D Reclaiming LLC | | Oil Operator | Aug 2022 |
693 | R A Miller Energy Inc | Edmond, OK 73003 | Oil & Gas Operator | Mar 2020 |
694 | R C Holdings LLC | Garber, OK 73738-5423 | Oil & Gas Operator | Apr 2017 |
695 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2024 |
696 | R E Blaik Inc | Edmond, OK 73013-6675 | Oil & Gas Operator | Feb 2024 |
697 | Ra-Jac LLC | Norman, OK 73070-4656 | Oil & Gas Operator | Feb 2024 |
698 | Rafter H Operating LLC | El Reno, OK 73036-2714 | Oil & Gas Operator | Jan 2024 |
699 | Ram Asset Management Co | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
700 | Rambler Oil Co | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 1999 |