| 1 | A N R Storage Company | | Oil & Gas Operator | Oct 2016 |
| 2 | Anr Pipeline Company | | Oil & Gas Operator | Jan 2025 |
| 3 | Antrim Development Corp | | Oil & Gas Operator | Oct 2018 |
| 4 | Apollo Exploration And Development Inc | | Oil & Gas Operator | Jun 2025 |
| 5 | Arbor Operating LLC | | Oil & Gas Operator | Mar 2024 |
| 6 | Baumann Resources Inc | | Oil Operator | Jul 1999 |
| 7 | Belden And Blake Corp Dba Ward Lake Energy | | Oil & Gas Operator | Jul 2020 |
| 8 | Bott John A | | Gas Operator | Dec 2012 |
| 9 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 10 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 11 | Chandler Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2009 |
| 12 | CMS Oil And Gas Company | Jackson, MI 49201 | Oil & Gas Operator | Oct 2002 |
| 13 | Collins C R And Collins F Dba Collins Brothers Oil | | Oil & Gas Operator | Jul 2008 |
| 14 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 15 | Core Antrim Company LLC | | Gas Operator | Aug 2025 |
| 16 | Core Energy LLC | | Oil & Gas Operator | Aug 2025 |
| 17 | Cronus Exploration Co LLC | | Oil & Gas Operator | Jul 2025 |
| 18 | D T E Gas And Oil Co | | Gas Operator | May 2007 |
| 19 | Dart Oil & Gas Corporation | Mason, MI 48854 | Oil & Gas Operator | Jun 2018 |
| 20 | Delta Oil Co Inc | | Oil & Gas Operator | Oct 2023 |
| 21 | Devonian Energy Inc | | Gas Operator | Jun 2025 |
| 22 | Devonian Energy Inc And Muzyl Oil Corp | | Oil & Gas Operator | Aug 1999 |
| 23 | Diamond Petroleum LLC | | Oil & Gas Operator | Dec 2005 |
| 24 | Dominion Midwest Energy Inc | | Oil & Gas Operator | Dec 2007 |
| 25 | Don Yohe Enterprises Inc. | Armada, MI 48005 | Oil & Gas Operator | Apr 2018 |
| 26 | Duff Oil Co | | Oil & Gas Operator | Aug 2000 |
| 27 | Energy Producers Inc | | Oil Operator | Nov 1989 |
| 28 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 29 | F P I Antrim One Inc | | Gas Operator | Nov 1991 |
| 30 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Jul 2025 |
| 31 | Fruehauf Antrim LP | | Gas Operator | Jan 2005 |
| 32 | Fruehauf H R Jr | | Gas Operator | Jan 2004 |
| 33 | Fruehauf Janet A Dba Top O Michigan Resources | | Gas Operator | Jan 2004 |
| 34 | Gage Energy And Petroleum Revenue Service Inc | | Gas Operator | Dec 1992 |
| 35 | General Energy Resources And Technology Corp | | Oil & Gas Operator | Jan 1998 |
| 36 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 37 | H R F Antrim LP | | Gas Operator | Aug 2025 |
| 38 | Hawkins Oil Of Michigan Inc | | Oil & Gas Operator | Aug 2003 |
| 39 | Highmount Midwest Energy LLC | | Oil & Gas Operator | Sep 2011 |
| 40 | Hound Resources LLC | | Oil & Gas Operator | Jul 2025 |
| 41 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 42 | HRF Exploration & Production LLC | Gaylord, MI 49734-0160 | Gas Operator | Oct 2025 |
| 43 | HRF Exploration & Production,Inc | Denver, CO 80237 | Oil & Gas Operator | Mar 2009 |
| 44 | J 5 Inc | | Gas Operator | Nov 2014 |
| 45 | J F C O LLC | | Gas Operator | Dec 2019 |
| 46 | Jaguar Energy LLC | | Oil & Gas Operator | Jun 2022 |
| 47 | Jordan Development Company LLC | Traverse City, MI 49686 | Oil & Gas Operator | Jul 2025 |
| 48 | K C S Michigan Resources Inc | | Oil & Gas Operator | Mar 2004 |
| 49 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 50 | Lambda Energy Resources LLC | | Oil & Gas Operator | Aug 2025 |
| 51 | Lithos Exploration Inc | | Oil & Gas Operator | Nov 2014 |
| 52 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
| 53 | Mack Oil Corp | | Oil & Gas Operator | Nov 1998 |
| 54 | Mercury Exploration Co | Fort Worth, TX 76104 | Oil & Gas Operator | Dec 2006 |
| 55 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 56 | Michigan Oil Co. | FT Worth, TX 76117 | Oil & Gas Operator | Feb 1998 |
| 57 | Michigan Petroleum Exploration Inc | | Oil & Gas Operator | Oct 2005 |
| 58 | Miller Brothers | | Oil & Gas Operator | Nov 2000 |
| 59 | Muskegon Development Co And Miller Energy Inc An | | Gas Operator | Dec 1997 |
| 60 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Oct 2025 |
| 61 | Muskegon Operating Company LLC | | Oil & Gas Operator | Aug 2025 |
| 62 | Muzyl Oil Corp | | Oil & Gas Operator | Aug 2025 |
| 63 | Northstar Energy LLC | | Gas Operator | Sep 2020 |
| 64 | Northwestern Natural Gas | | Gas Operator | Aug 2000 |
| 65 | Nuenergy LLC | | Oil & Gas Operator | Jul 2025 |
| 66 | O I L Energy Corp | | Oil & Gas Operator | Oct 2017 |
| 67 | O I L Niagaran LLC | | Oil & Gas Operator | May 2017 |
| 68 | Omimex Energy, Inc. | Fort Worth, TX 76120 | Oil & Gas Operator | Jun 2025 |
| 69 | Pan American Petroleum Corp | | Oil & Gas Operator | Jan 2008 |
| 70 | Paxton Resources LLC | | Oil & Gas Operator | Aug 2025 |
| 71 | Putnam Energy LLC | | Oil Operator | Sep 2014 |
| 72 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 73 | Rampart Energy Company | | Oil & Gas Operator | Dec 2024 |
| 74 | Riley Leo M Co | | Gas Operator | Oct 1998 |
| 75 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Jul 2025 |
| 76 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 77 | S R W Inc | | Gas Operator | Aug 2017 |
| 78 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
| 79 | Savoy Energy LP | Traverse City, MI 49685-1560 | Oil & Gas Operator | Jul 2025 |
| 80 | Savoy Exploration Inc | | Oil & Gas Operator | Feb 2020 |
| 81 | Schmude And Pangborn Associates | | Oil & Gas Operator | Apr 1993 |
| 82 | Schmude Oil Co | | Oil & Gas Operator | Mar 2014 |
| 83 | Schmude Oil Inc | | Oil & Gas Operator | Aug 2025 |
| 84 | Stevenson Oil Company | Lovington, NM 88260 | Oil & Gas Operator | Mar 2025 |
| 85 | Stoney Lake Production Co LLC | | Oil Operator | Jul 2025 |
| 86 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 87 | Tai Inc Dba Trendwell Antrim Inc | | Gas Operator | Aug 2025 |
| 88 | Terra Energy Co LLC | | Oil & Gas Operator | Apr 2018 |
| 89 | Terra Energy LTD | | Oil & Gas Operator | Apr 2018 |
| 90 | Terra Energy LTD And Miller Energy Inc And Mille | | Gas Operator | Dec 1998 |
| 91 | Trendwell Energy Corporation | | Oil & Gas Operator | Aug 2025 |
| 92 | Trinity Exploration Co | | Oil Operator | Dec 1998 |
| 93 | V C P Michigan, LLC | | Oil & Gas Operator | Jul 2025 |
| 94 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 95 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Jul 2025 |
| 96 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 97 | Wolverine Environmental Production Inc | | Oil & Gas Operator | Sep 2000 |