| 1 | Apollo Exploration And Development Inc | | Oil & Gas Operator | Jan 2026 |
| 2 | Burgess D M Jr And Hall H E And Stinson D E | | Oil Operator | May 2000 |
| 3 | Burgess Hall Stinson Inc | | Oil Operator | Dec 2009 |
| 4 | Christian Oil Co | | Oil & Gas Operator | Mar 2026 |
| 5 | CMS Oil And Gas Company | Jackson, MI 49201 | Oil & Gas Operator | Oct 2002 |
| 6 | D T E Gas Company | | Oil & Gas Operator | Jun 1999 |
| 7 | Dart Oil & Gas Corporation | Mason, MI 48854 | Oil & Gas Operator | Jun 2018 |
| 8 | Dominion Midwest Energy Inc | | Oil & Gas Operator | Dec 2007 |
| 9 | Gage Energy Inc | | Oil Operator | Nov 2015 |
| 10 | Global Natural Resources | Houston, TX 77002 | Oil & Gas Operator | Dec 1999 |
| 11 | Hawkins Oil Of Michigan Inc | | Oil & Gas Operator | Aug 2003 |
| 12 | Heat Controller Inc | Jackson, MI 49204 | Oil & Gas Operator | Dec 1996 |
| 13 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 14 | K C S Michigan Resources Inc | | Oil & Gas Operator | Mar 2004 |
| 15 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16 | Kulka And Schmidt Inc | | Oil & Gas Operator | Dec 1992 |
| 17 | Lambda Energy Resources LLC | | Oil & Gas Operator | Mar 2026 |
| 18 | Lyco Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jun 2015 |
| 19 | McClure Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2026 |
| 20 | Meridian Production Services LLC | | Oil & Gas Operator | Apr 2026 |
| 21 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Jun 2026 |
| 22 | Michigan Geosearch Inc | Lansing, MI 48917 | Oil & Gas Operator | Apr 2026 |
| 23 | Michigan Oil Company | FT Worth, TX 76117 | Oil & Gas Operator | Feb 1998 |
| 24 | Michigan Petroleum Exploration Inc | | Oil & Gas Operator | Oct 2005 |
| 25 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 26 | My Investments Too LLC | | Oil Operator | Feb 2026 |
| 27 | Northern Processors Inc | The Woodlands, TX 77387-9385 | Oil & Gas Operator | Sep 2010 |
| 28 | Petro Vest Operating LLC | | Oil Operator | Aug 2013 |
| 29 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
| 30 | R And B Energy Co LLC | | Oil Operator | Dec 2011 |
| 31 | Red Rock Resources Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Mar 2026 |
| 32 | Savoy Energy LP | Traverse City, MI 49685-1560 | Oil & Gas Operator | Mar 2026 |
| 33 | Savoy Exploration Inc | | Oil & Gas Operator | Feb 2020 |
| 34 | Schmude Oil Co | | Oil & Gas Operator | Mar 2014 |
| 35 | Schmude Oil Inc | | Oil & Gas Operator | Mar 2026 |
| 36 | Sogc, Inc. | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Mar 2026 |
| 37 | Southern Energy Operating Co Inc | | Oil Operator | Dec 2025 |
| 38 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 39 | Synergy Development Corp | | Oil Operator | Apr 2011 |
| 40 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Mar 2026 |
| 41 | Terra Energy LTD | | Oil & Gas Operator | Apr 2018 |
| 42 | Three Star Energy Inc | | Gas Operator | Nov 1997 |
| 43 | Venus Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
| 44 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Mar 2026 |
| 45 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Jun 2026 |
| 46 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 47 | Wolverine Environmental Production Inc | | Oil & Gas Operator | Sep 2000 |