| 1 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 2 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 3 | Brewer Robert A And Karen A | | Oil Operator | Feb 2024 |
| 4 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 5 | Crawford Arthur E Dba The Lazy Oil Co | | Oil Operator | Dec 2020 |
| 6 | Duncan Oil Inc | Denver, CO 80210 | Oil & Gas Operator | Jun 2016 |
| 7 | Environmental Soil Recovery LTD | | Oil Operator | Jan 2024 |
| 8 | H And K Resources Inc | | Oil Operator | Dec 2012 |
| 9 | Henry Sappington Machine & Tool Dba Henry Sappingt | | Oil Operator | Oct 2017 |
| 10 | Jordan Energy Exploration Co LLC | | Oil Operator | Dec 2022 |
| 11 | Lease Management Inc | | Oil & Gas Operator | Nov 2023 |
| 12 | Long Jack Senior | | Oil Operator | Jan 2004 |
| 13 | Majoil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1996 |
| 14 | Marathon Oil Company | Houston, TX 77024 | Oil & Gas Operator | Feb 2024 |
| 15 | McClure Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 16 | Mercury Exploration Co | Fort Worth, TX 76104 | Oil & Gas Operator | Dec 2006 |
| 17 | Miller Energy Company II LLC | | Oil & Gas Operator | Feb 2024 |
| 18 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Apr 2024 |
| 19 | Muskegon Operating Company LLC | | Oil & Gas Operator | Feb 2024 |
| 20 | Nelson Ralph M Enterprises Inc | | Oil Operator | Feb 2024 |
| 21 | Neymeiyer John Oil Co | | Oil Operator | Dec 1998 |
| 22 | Quicksilver Resources Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2018 |
| 23 | R S E C LLC | | Oil & Gas Operator | Nov 2002 |
| 24 | Riverside Energy Michigan LLC | | Oil & Gas Operator | Nov 2023 |
| 25 | Sappington Carol J | | Oil Operator | Mar 2017 |
| 26 | Sappington Crude Oil Inc | | Oil & Gas Operator | Dec 2023 |
| 27 | Sappington Henry | | Oil Operator | Dec 2010 |
| 28 | Sappington Walter B | | Oil Operator | Dec 2021 |
| 29 | Savoy Energy LP | Traverse City, MI 49685-1560-1560 | Oil & Gas Operator | Feb 2024 |
| 30 | Summit Essexville Inc | | Oil Operator | Dec 2014 |
| 31 | Tallman Industries Inc | | Oil Operator | Dec 2023 |
| 32 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |