| 1 | Alumni Petroleum And Resource Management Corp | | Oil & Gas Operator | Mar 1988 |
| 2 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Aug 2017 |
| 3 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 4 | Apollo Exploration And Development Inc | | Oil & Gas Operator | Jun 2025 |
| 5 | Arbor Operating LLC | | Oil & Gas Operator | Mar 2024 |
| 6 | Arbor Resources LLC | | Oil & Gas Operator | Dec 2007 |
| 7 | B D Deans LLC | | Oil & Gas Operator | May 2009 |
| 8 | Belden And Blake Corp Dba Ward Lake Energy | | Oil & Gas Operator | Jul 2020 |
| 9 | Bob Adams And Associates Inc | | Oil & Gas Operator | Dec 1998 |
| 10 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 11 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 12 | Century Oil Company Inc | | Oil Operator | Dec 2024 |
| 13 | Cherokee Resources Inc | | Oil & Gas Operator | Mar 1996 |
| 14 | CMS Oil And Gas Company | Jackson, MI 49201 | Oil & Gas Operator | Oct 2002 |
| 15 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 16 | Core Energy LLC | | Oil & Gas Operator | Aug 2025 |
| 17 | Delta Oil Co Inc And Great Lakes Niagaran | | Oil & Gas Operator | Dec 1987 |
| 18 | Dominion Midwest Energy Inc | | Oil & Gas Operator | Dec 2007 |
| 19 | Dominion Natural Resources LLC | Dallas, TX 75367 | Oil & Gas Operator | Oct 2025 |
| 20 | Don Yohe Enterprises Inc. | Armada, MI 48005 | Oil & Gas Operator | Apr 2018 |
| 21 | Energy Acquisition Corp And Weitzman Irvin | | Oil & Gas Operator | Dec 2003 |
| 22 | Energy Acquisition Corp W W Energy Weitzman Irvin | | Oil & Gas Operator | Jun 2016 |
| 23 | Federated Natural Resources Corp | | Oil & Gas Operator | Oct 1989 |
| 24 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Jul 2025 |
| 25 | Finders Co The | | Oil & Gas Operator | Jan 1998 |
| 26 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 27 | Great Lakes Niagaran Inc | | Oil & Gas Operator | Mar 1988 |
| 28 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 29 | Halex Inc | | Oil & Gas Operator | Nov 1988 |
| 30 | Hawkins Oil Of Michigan Inc | | Oil & Gas Operator | Aug 2003 |
| 31 | Hound Resources LLC | | Oil & Gas Operator | Jul 2025 |
| 32 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 33 | Hunt Energy Corporation | | Oil & Gas Operator | Feb 2002 |
| 34 | J K R Oil And Gas Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Jan 2003 |
| 35 | Jaguar Energy LLC | | Oil & Gas Operator | Jun 2022 |
| 36 | Jetta Operating Company Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 37 | Jordan Development Company LLC | Traverse City, MI 49686 | Oil & Gas Operator | Jul 2025 |
| 38 | K C S Michigan Resources Inc | | Oil & Gas Operator | Mar 2004 |
| 39 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 40 | Kep Exploration Inc | | Oil & Gas Operator | Feb 1991 |
| 41 | Kirby Exploration Co Of Texas | | Oil & Gas Operator | Nov 1993 |
| 42 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 43 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
| 44 | Lakewood Petroleum | | Oil & Gas Operator | Sep 1993 |
| 45 | Lambda Energy Resources LLC | | Oil & Gas Operator | Aug 2025 |
| 46 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Jun 2025 |
| 47 | Lithos Exploration Inc | | Oil & Gas Operator | Nov 2014 |
| 48 | Mack Oil Corp | | Oil & Gas Operator | Nov 1998 |
| 49 | Mack Oil Corp And Delta Oil Co Inc Great Lakes Nia | | Oil & Gas Operator | Feb 1986 |
| 50 | Mack Oil Corp And Neyer Oil Inc | | Oil & Gas Operator | May 1988 |
| 51 | Maverick Exploration And Production Inc | | Oil & Gas Operator | Sep 2025 |
| 52 | Mayfield Energy, LLC | Austin, TX 78732 | Oil & Gas Operator | Oct 2025 |
| 53 | McCool John E | Youngsville, PA 16371 | Oil & Gas Operator | Jul 2025 |
| 54 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 55 | Miller Brothers | | Oil & Gas Operator | Nov 2000 |
| 56 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Jun 2025 |
| 57 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 58 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 59 | Neyer Oil Inc | | Oil & Gas Operator | Nov 1997 |
| 60 | Northern Processors Inc | The Woodlands, TX 77387-9385 | Oil & Gas Operator | Sep 2010 |
| 61 | Nuenergy LLC | | Oil & Gas Operator | Jul 2025 |
| 62 | O I L Energy Corp | | Oil & Gas Operator | Oct 2017 |
| 63 | O I L Niagaran LLC | | Oil & Gas Operator | May 2017 |
| 64 | Omimex Energy, Inc. | Fort Worth, TX 76120 | Oil & Gas Operator | Jun 2025 |
| 65 | Pangborn Tom Dba Pangborn Exploration | | Oil & Gas Operator | Jan 1993 |
| 66 | Peninsular Oil & Gas Co | Ada, MI 49301 | Oil & Gas Operator | Dec 2001 |
| 67 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
| 68 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 69 | R Cubed L L C | | Oil & Gas Operator | Dec 2023 |
| 70 | Range Michigan LLC | | Oil Operator | Dec 2020 |
| 71 | Reef Petroleum Corp | | Oil & Gas Operator | Feb 1994 |
| 72 | Reefworks LLC | | Oil & Gas Operator | Aug 2025 |
| 73 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Jul 2025 |
| 74 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 75 | Saba Energy Of Texas Inc | Houston, TX 77042 | Oil & Gas Operator | Jul 2007 |
| 76 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2025 |
| 77 | Savoy Energy LP | Traverse City, MI 49685-1560 | Oil & Gas Operator | Jul 2025 |
| 78 | Savoy Exploration Inc | | Oil & Gas Operator | Feb 2020 |
| 79 | Scandia Energy Co Inc | Traverse City, MI 49684 | Oil & Gas Operator | Dec 1993 |
| 80 | Schmude And Pangborn Associates | | Oil & Gas Operator | Apr 1993 |
| 81 | Schmude Oil Co | | Oil & Gas Operator | Mar 2014 |
| 82 | Schmude Oil Inc | | Oil & Gas Operator | Aug 2025 |
| 83 | Stover Petroleum Inc | | Oil & Gas Operator | Mar 1990 |
| 84 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 85 | Tiger Development LLC | | Oil & Gas Operator | Aug 2019 |
| 86 | Total Petroleum Inc | Houston, TX 77210 | Oil & Gas Operator | Feb 1998 |
| 87 | Traverse Oil Co. | | Oil & Gas Operator | Nov 1983 |
| 88 | Uptex Operating Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2011 |
| 89 | Venture Oil & Gas, Inc. | Laurel, MS 39440 | Oil & Gas Operator | Jul 2025 |
| 90 | W W Energy Corp | | Oil & Gas Operator | Jun 2025 |
| 91 | Ward M Haggard Oil And Gas Exploration Inc | | Oil Operator | Sep 2025 |
| 92 | Weitzman Irvin | | Oil & Gas Operator | Sep 1988 |
| 93 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Jul 2025 |
| 94 | Western Reserves Oil Co Inc | Midland, TX 79705 | Oil & Gas Operator | Oct 2020 |
| 95 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 96 | Wolverine Environmental Production Inc | | Oil & Gas Operator | Sep 2000 |