| 1 | Adam Petroleum Services, Inc. | | Oil Operator | Aug 1989 |
| 2 | Addie, James & John Thornton | | Oil & Gas Operator | Jan 2024 |
| 3 | Ainsworth Rig Service, LLC | | Oil Operator | Dec 2023 |
| 4 | Alameda Oil Company | | Oil Operator | Mar 1998 |
| 5 | Aracca Petroleum Company | | Oil Operator | May 1984 |
| 6 | Arcadia Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2024 |
| 7 | Balco Energy Corporation | | Oil & Gas Operator | Jul 1983 |
| 8 | Beavers' Production | | Oil Operator | May 1997 |
| 9 | Big Joe Operating Company, Inc. | | Oil & Gas Operator | May 2017 |
| 10 | Campground Corporation | | Oil Operator | Nov 2023 |
| 11 | Caruthers Producing Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2019 |
| 12 | Castor Production, L.L.C. | | Oil Operator | Jan 2024 |
| 13 | Cavenham Energy Resources Inc. | | Oil & Gas Operator | Apr 1991 |
| 14 | Cavenham Forest Ind., Inc. | | Oil & Gas Operator | Nov 1987 |
| 15 | Cenla Oil Company, LLC | | Oil Operator | Jan 2024 |
| 16 | Cerro Oil Co., Inc. | | Oil Operator | Dec 1987 |
| 17 | Cross Development Co. | | Oil Operator | Dec 1989 |
| 18 | Crosstex Lig, LLC | | Oil Operator | Mar 2014 |
| 19 | Crown Zellerbach | | Oil & Gas Operator | May 1986 |
| 20 | D & D Oil Company | Dayton, TX 77535 | Oil & Gas Operator | Apr 2024 |
| 21 | Diasu Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
| 22 | DRG Energy Inc | Norman, OK 73026-3171 | Oil & Gas Operator | Nov 2023 |
| 23 | Enlink Lig, LLC | | Oil Operator | Jan 2024 |
| 24 | George Barron | | Oil & Gas Operator | Jan 1998 |
| 25 | Glen D. Loe | | Oil & Gas Operator | May 1993 |
| 26 | Gulf States Exploration Co. | | Oil & Gas Operator | Dec 1983 |
| 27 | Hanson Natural Resources Co. | | Oil & Gas Operator | Nov 1991 |
| 28 | Hogan Exploration, Inc. | | Oil & Gas Operator | Mar 2000 |
| 29 | Houston Oil Fields Company | | Oil & Gas Operator | Apr 1987 |
| 30 | Hyco Oil Inc | Newcastle, WY 82701 | Oil & Gas Operator | Dec 2006 |
| 31 | Idc Energy Corp | Warren, PA 16365-0792 | Oil & Gas Operator | Dec 2021 |
| 32 | Jen-Oil, Inc. | | Oil Operator | Aug 1999 |
| 33 | JSB, LLC | | Oil & Gas Operator | Jan 2024 |
| 34 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Dec 2023 |
| 35 | Justiss-Mears Oil Co. | | Oil & Gas Operator | Feb 1981 |
| 36 | Justiss-Mears Oil Co., Et Al | | Oil & Gas Operator | Feb 1981 |
| 37 | King Drilling Co | Seville, OH 44273-52-52 | Oil & Gas Operator | Jan 2024 |
| 38 | La Intrastate Gas Co LLC | | Oil Operator | Apr 2004 |
| 39 | Lakeshore Petroleum Corp. | | Oil & Gas Operator | Dec 1992 |
| 40 | Leroy W. James | | Oil & Gas Operator | Oct 1991 |
| 41 | Loe Pipe Yard, Inc. | | Oil & Gas Operator | Jan 1997 |
| 42 | Louisiana Intrastate Gas Corp. | | Oil Operator | Feb 1994 |
| 43 | Martin Production Company | | Oil & Gas Operator | Dec 2023 |
| 44 | Miles Oil & Gas Co. | | Oil & Gas Operator | Feb 1988 |
| 45 | Monroe Well Ser-La Petr Assoc | | Oil Operator | Dec 1988 |
| 46 | Monroe Well Service | | Oil & Gas Operator | Apr 1998 |
| 47 | Monroe Well Service-East End | | Oil Operator | Dec 1988 |
| 48 | Monroe Well Service-York | | Oil Operator | Dec 1988 |
| 49 | Nebo Operating Company | | Oil & Gas Operator | Apr 1991 |
| 50 | Octagon Resources Corporation | | Oil Operator | Mar 2005 |
| 51 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2024 |
| 52 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 53 | Phoenix Opr Co Inc-La Petro As | | Oil Operator | Dec 1992 |
| 54 | Phoenix Opr Co Inc-York | | Oil Operator | Dec 1992 |
| 55 | Quasha Oil Co. | | Oil & Gas Operator | Feb 1998 |
| 56 | Quiet Sun Investments, Inc. | | Oil & Gas Operator | Sep 2012 |
| 57 | Ramrod Prod. Co., Inc. | | Oil Operator | Dec 2023 |
| 58 | Riverstone Energy Operating, LLC | Houston, TX 77090 | Oil & Gas Operator | Apr 2024 |
| 59 | Russell A. Flowers | | Oil Operator | May 1995 |
| 60 | S S M Partnership | | Oil & Gas Operator | Jul 1992 |
| 61 | Skyhawk Energy, LLC | | Oil Operator | Dec 2023 |
| 62 | Smith Operating And MGMT Co. | Shreveport, LA 71161 | Oil & Gas Operator | Jun 2023 |
| 63 | Sonny King | | Oil & Gas Operator | Jan 2024 |
| 64 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2024 |
| 65 | Sunland Production Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2024 |
| 66 | The Ballard & Cordell Corp | | Oil & Gas Operator | Feb 1982 |
| 67 | Thomas Turman | | Oil & Gas Operator | Dec 1991 |
| 68 | Tri-State Exploration & Prod Inc | Marshall, TX 75671 | Oil & Gas Operator | Aug 2003 |
| 69 | Trident Oil And Gas Corp. | | Oil & Gas Operator | Sep 2000 |
| 70 | Trunkline Gas Company | | Oil Operator | Mar 2008 |
| 71 | U. S. Operating, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Apr 2024 |
| 72 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Dec 2023 |
| 73 | W. L. Rambo, Inc. | | Oil & Gas Operator | Aug 1985 |
| 74 | White Oil Company | Cement, OK 73017-0515 | Oil Operator | Jun 2002 |
| 75 | Win Oil Company | Russell, KS 67665 | Oil & Gas Operator | Jul 2021 |
| 76 | Woodpecker Corp. | | Oil & Gas Operator | Dec 2023 |
| 77 | Zilkha Energy Company | Houston, TX 77046 | Oil & Gas Operator | Oct 2002 |