| 1 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 2 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 3 | Ceja Corporation | Tulsa, OK 74172 | Oil & Gas Operator | Jul 2025 |
| 4 | Christian Oil Co | | Oil & Gas Operator | Jul 2025 |
| 5 | CMS Oil And Gas Company | Jackson, MI 49201 | Oil & Gas Operator | Oct 2002 |
| 6 | CNG Development Co | | Oil & Gas Operator | Dec 2008 |
| 7 | Don Yohe Enterprises Inc. | Armada, MI 48005 | Oil & Gas Operator | Apr 2018 |
| 8 | Fairway Petroleum, Inc. | Stafford, TX 77497 | Oil & Gas Operator | Nov 2001 |
| 9 | Federated Oil And Gas Properties Inc | | Oil & Gas Operator | Jul 2025 |
| 10 | H And H Star Energy Inc Dba Petrostar Energy | | Oil & Gas Operator | Feb 2004 |
| 11 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 12 | J And D Evart Production LLC | | Oil Operator | Aug 2025 |
| 13 | Jennings Petroleum And Enveron Corp | | Oil & Gas Operator | Mar 2017 |
| 14 | Jennings Petroleum Corp | | Oil & Gas Operator | Dec 1988 |
| 15 | Layline Oil And Gas LLC | Marion, MI 49665 | Oil & Gas Operator | Aug 2025 |
| 16 | Lease Management Inc | | Oil & Gas Operator | Jul 2025 |
| 17 | Midstate Employment Services LLC | | Oil Operator | Apr 2024 |
| 18 | Miller Energy Company II LLC | | Oil & Gas Operator | Aug 2025 |
| 19 | Miracle Petroleum LLC | | Oil & Gas Operator | Oct 2018 |
| 20 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Jun 2025 |
| 21 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Oct 2025 |
| 22 | Pasadena Oil And Gas Corp | | Oil & Gas Operator | Dec 2001 |
| 23 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 24 | Ranch Production Co | | Oil & Gas Operator | Jul 2000 |
| 25 | Ranch Production LLC | | Oil & Gas Operator | Jul 2025 |
| 26 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 27 | Samson Natural Gas Co And Miller Energy Miller Oil | | Oil & Gas Operator | Aug 2000 |
| 28 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2025 |
| 29 | Savoy Energy LP | Traverse City, MI 49685-1560 | Oil & Gas Operator | Jul 2025 |
| 30 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 31 | Terra Energy LTD | | Oil & Gas Operator | Apr 2018 |
| 32 | Tongue Schuster And Associates Inc | | Oil & Gas Operator | Feb 2007 |
| 33 | W B Osborn Oil And Gas Operations LTD | | Oil Operator | Jun 2025 |
| 34 | Wellmaster Production Co LLC | | Oil & Gas Operator | Jul 2015 |
| 35 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 36 | Winterfield Corp | | Oil Operator | Nov 2024 |