| 1 | Ace Energy LLC | Leawood, KS 66211 | Oil & Gas Operator | Nov 2025 |
| 2 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Mar 2026 |
| 3 | Apollo Exploration And Development Inc | | Oil & Gas Operator | Aug 2025 |
| 4 | Arbor Operating LLC | | Oil & Gas Operator | Jan 2026 |
| 5 | Arbor Resources LLC | | Oil & Gas Operator | Dec 2007 |
| 6 | Asher Oil LLC | | Oil & Gas Operator | Jan 2026 |
| 7 | Aztec Producing Company Inc | | Oil & Gas Operator | May 2022 |
| 8 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
| 9 | Beckman Production Services Inc | | Oil Operator | Jan 2026 |
| 10 | Belden And Blake Corp Dba Ward Lake Energy | | Oil & Gas Operator | Jul 2020 |
| 11 | Black River Oil Corp And Golden Petroleum Corp | | Oil & Gas Operator | Dec 1989 |
| 12 | Blue Bay Oil & Gas, L L C | | Gas Operator | Jan 2018 |
| 13 | Bob Adams And Associates Inc | | Oil & Gas Operator | Dec 1998 |
| 14 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 15 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 16 | C M S Oil And Gas Co And Miller Brothers | | Oil & Gas Operator | Apr 1992 |
| 17 | Cherokee Resources Inc | | Oil & Gas Operator | Mar 1996 |
| 18 | CMS Oil And Gas Company | Jackson, MI 49201 | Oil & Gas Operator | Oct 2002 |
| 19 | Conoco Inc | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 20 | Core Energy LLC | | Oil & Gas Operator | Dec 2025 |
| 21 | D T E Gas And Oil Co | | Gas Operator | May 2007 |
| 22 | Delta Oil Co Inc | | Oil & Gas Operator | Oct 2023 |
| 23 | Dominion Midwest Energy Inc | | Oil & Gas Operator | Dec 2007 |
| 24 | Don Yohe Enterprises Inc. | Armada, MI 48005 | Oil & Gas Operator | Apr 2018 |
| 25 | Duff Oil Co | | Oil & Gas Operator | Aug 2000 |
| 26 | Dynamic Development Inc | | Oil & Gas Operator | Nov 2025 |
| 27 | Energy Acquisition Corp And Weitzman Irvin | | Oil & Gas Operator | Dec 2003 |
| 28 | Energy Acquisition Corp W W Energy Weitzman Irvin | | Oil & Gas Operator | Jun 2016 |
| 29 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 30 | Federated Natural Resources Corp And Fede | | Oil & Gas Operator | Feb 1989 |
| 31 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Dec 2025 |
| 32 | Finders Co And Sullivan And Co | | Oil & Gas Operator | May 1987 |
| 33 | Finders Co The | | Oil & Gas Operator | Jan 1998 |
| 34 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 35 | Fruehauf Antrim LP | | Gas Operator | Jan 2005 |
| 36 | Golden Petroleum Corp And Black River Oil Corp | | Oil & Gas Operator | May 2016 |
| 37 | Great Lakes Niagaran Inc | | Oil & Gas Operator | Mar 1988 |
| 38 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 39 | Hardy And Hardy Consulting LLC | | Oil & Gas Operator | Nov 2025 |
| 40 | Hawkins Oil Of Michigan Inc | | Oil & Gas Operator | Aug 2003 |
| 41 | Hound Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 42 | HRF Exploration & Production,Inc | Denver, CO 80237 | Oil & Gas Operator | Mar 2009 |
| 43 | Jaguar Energy LLC | | Oil & Gas Operator | Jun 2022 |
| 44 | Jordan Development Company LLC | Traverse City, MI 49686 | Oil & Gas Operator | Dec 2025 |
| 45 | K C S Michigan Resources Inc | | Oil & Gas Operator | Mar 2004 |
| 46 | Kasperski Oil Corp | | Oil & Gas Operator | May 2002 |
| 47 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 48 | Kep Exploration Inc | | Oil & Gas Operator | Feb 1991 |
| 49 | Kep Exploration Inc And Haggard Ward M | | Oil & Gas Operator | Dec 1986 |
| 50 | Kirby Exploration Co Of Texas | | Oil & Gas Operator | Nov 1993 |
| 51 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 52 | Lambda Energy Resources LLC | | Oil & Gas Operator | Dec 2025 |
| 53 | Lees Petroleum LLC | | Oil & Gas Operator | Jul 2000 |
| 54 | Lithos Exploration Inc | | Oil & Gas Operator | Nov 2014 |
| 55 | Main Energy, Inc. | Houston, TX 77079 | Oil & Gas Operator | May 2009 |
| 56 | Maverick Exploration And Production Inc | | Oil & Gas Operator | Jan 2026 |
| 57 | McCool John E | Youngsville, PA 16371 | Oil & Gas Operator | Dec 2025 |
| 58 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Mar 2026 |
| 59 | Michigan Oil Company | FT Worth, TX 76117 | Oil & Gas Operator | Feb 1998 |
| 60 | Michigan Production Co LLC | | Oil & Gas Operator | Oct 2002 |
| 61 | Miller Brothers | | Oil & Gas Operator | Nov 2000 |
| 62 | Miller Brothers And Federal Oil Co | | Oil Operator | May 1984 |
| 63 | Miller Brothers And Total Petroleum And Wiser Oil | | Oil & Gas Operator | Sep 1991 |
| 64 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Dec 2025 |
| 65 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2026 |
| 66 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Mar 2026 |
| 67 | Muzyl Oil Corp | | Oil & Gas Operator | Jan 2026 |
| 68 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 69 | Northern Michigan Oil And Gas Corp | | Oil & Gas Operator | Jan 2026 |
| 70 | Northern Processors Inc | The Woodlands, TX 77387-9385 | Oil & Gas Operator | Sep 2010 |
| 71 | Nuenergy LLC | | Oil & Gas Operator | Dec 2025 |
| 72 | O I L Energy Corp | | Oil & Gas Operator | Oct 2017 |
| 73 | O I L Niagaran LLC | | Oil & Gas Operator | May 2017 |
| 74 | Omega Operating, Inc. | Odessa, TX 79769 | Oil & Gas Operator | Mar 2001 |
| 75 | Omega Resources Inc | | Oil & Gas Operator | Nov 1998 |
| 76 | Omimex Energy, Inc. | Fort Worth, TX 76120 | Oil & Gas Operator | Oct 2025 |
| 77 | Ososki Edward D Dba Federal Oil Company | | Oil & Gas Operator | Dec 2025 |
| 78 | Petro Hunt Inc Of Kentucky | | Oil & Gas Operator | Dec 2006 |
| 79 | Petromax Oil And Gas Inc | | Oil & Gas Operator | Dec 1988 |
| 80 | Petrostar Energy And Kep Exploration Inc | | Oil & Gas Operator | Jan 1994 |
| 81 | Presidium Energy LC | | Oil & Gas Operator | Jul 2016 |
| 82 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
| 83 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2026 |
| 84 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 85 | Ranch Production LLC | | Oil & Gas Operator | Jan 2026 |
| 86 | Reef Petroleum Corp | | Oil & Gas Operator | Feb 1994 |
| 87 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Dec 2025 |
| 88 | S P V LLC | | Oil & Gas Operator | Jul 2002 |
| 89 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
| 90 | Savoy Energy LP | Traverse City, MI 49685-1560 | Oil & Gas Operator | Dec 2025 |
| 91 | Savoy Exploration Inc | | Oil & Gas Operator | Feb 2020 |
| 92 | Schmude And Pangborn Associates | | Oil & Gas Operator | Apr 1993 |
| 93 | Schmude Oil Co | | Oil & Gas Operator | Mar 2014 |
| 94 | Schmude Oil Inc | | Oil & Gas Operator | Dec 2025 |
| 95 | Southern Energy Operating Co Inc | | Oil Operator | Oct 2025 |
| 96 | Stoney Lake Production Co LLC | | Oil Operator | Dec 2025 |
| 97 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 98 | Swepi LP And Miller Brothers | | Oil & Gas Operator | Oct 1992 |
| 99 | Tiger Development LLC | | Oil & Gas Operator | Aug 2019 |
| 100 | Total Petroleum Inc | Houston, TX 77210 | Oil & Gas Operator | Feb 1998 |