| 2001 | Back, Neville | McLean, TX 79057 | Gas Operator | Jan 1999 |
| 2002 | Backa LLC | Arkansas City, KS 67005 | Oil Operator | Aug 2025 |
| 2003 | Backus & Lanford | | Oil Operator | Aug 1985 |
| 2004 | Backus,Barnwell& Von Gonten | | Oil & Gas Operator | Oct 1984 |
| 2005 | Bacon Energy | Cisco, TX 76437 | Oil & Gas Operator | Mar 2026 |
| 2006 | Bacon Fred Estate Of | Glenpool, OK 74033-9802 | Oil & Gas Operator | Apr 2020 |
| 2007 | Bacon Ted L | Afton, OK 74331-5518 | Oil Operator | Nov 2005 |
| 2008 | Badak Energy Inc. | | Oil & Gas Operator | Oct 2020 |
| 2009 | Badak Energy-Carraway Co | | Oil Operator | Dec 1990 |
| 2010 | Badger Energy LLC | | Oil & Gas Operator | Dec 2024 |
| 2011 | Badger Energy, Inc. | Austin, TX 78714 | Oil & Gas Operator | Mar 2026 |
| 2012 | Badger Oil Company | Midland, TX 79701 | Oil & Gas Operator | Jun 1996 |
| 2013 | Badger Oil Corporation | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2011 |
| 2014 | Badger Oil/Clovelly Oil | | Oil & Gas Operator | Oct 2004 |
| 2015 | Badlands Energy-Utah, LLC | Denver, CO 80237 | Oil & Gas Operator | Feb 2018 |
| 2016 | Badlands Production Company | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Sep 2018 |
| 2017 | Bagby Energy LLC | Fort Smith, AR 72913 | Gas Operator | Apr 2010 |
| 2018 | Bagley, Roy | Magnolia, TX 77354 | Oil & Gas Operator | Mar 2026 |
| 2019 | Bah-Pepper Operating, LLC | Nocona, TX 76255 | Oil & Gas Operator | Mar 2026 |
| 2020 | Baham Energy Services, LLC | | Oil Operator | Dec 2024 |
| 2021 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 2022 | Bahlburg Exploration Inc | Plano, TX 750866937 | Oil & Gas Operator | Jun 1996 |
| 2023 | Bahr Oil & Gas | FT Walton BCH, FL 32548 | Oil & Gas Operator | Mar 2026 |
| 2024 | Bailer And Deshaw | | Oil Operator | Dec 2020 |
| 2025 | Bailer Oil Company LLC | | Oil Operator | Dec 2025 |
| 2026 | Bailey Boy Oil | | Oil Operator | Sep 2025 |
| 2027 | Bailey C A | Nowata, OK 74048-0206 | Oil Operator | Aug 1999 |
| 2028 | Bailey David A | Mounds, OK 74047 | Oil & Gas Operator | Dec 2025 |
| 2029 | Bailey Lorene Estate Of | Fort Collins, CO 80525 | Oil Operator | Feb 2012 |
| 2030 | Bailey Michael L & Pamela D Dba MPB Oil & Gas | Paden, OK 74860-9789 | Oil & Gas Operator | Jan 2026 |
| 2031 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil Operator | Dec 2009 |
| 2032 | Bailey Oil Corp | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2025 |
| 2033 | Bailey Petroleum Corporation | Oklahoma City, OK 73159-7652 | Oil & Gas Operator | Feb 2004 |
| 2034 | Bailey Petroleum, Inc. | League City, TX 77573 | Oil & Gas Operator | Mar 2026 |
| 2035 | Bailey Richard Leon | Paden, OK 74860-7152 | Oil & Gas Operator | Dec 2025 |
| 2036 | Bailey Sharon | Centerville, KS 66014 | Oil Operator | Sep 1997 |
| 2037 | Bailey, Albian W., Jr. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 2038 | Bailey, Gene M. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 2039 | Bailey, Harold B | Owensboro, KY 42303 | Oil Operator | Dec 2021 |
| 2040 | Bailey, L. J. | Pleasanton, TX 78064 | Oil & Gas Operator | Jul 2003 |
| 2041 | Bailey, S. H. | | Oil & Gas Operator | Jul 1995 |
| 2042 | Bain Resources, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Dec 2025 |
| 2043 | Bainbridge Uinta LLC | Dallas, TX 75205 | Oil & Gas Operator | May 2021 |
| 2044 | Bair'S Lease Service, Inc. | Luling, TX 78648 | Oil & Gas Operator | Mar 2026 |
| 2045 | Bair, Orville L. | Burden, KS 67019 | Oil & Gas Operator | Oct 2003 |
| 2046 | Baird Bros Sawmill Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2012 |
| 2047 | Baird Family Limited Partnership | Canfield, OH 44406 | Oil & Gas Operator | Dec 2024 |
| 2048 | Baird Oil Company Inc | Lewisville, TX 75067 | Oil & Gas Operator | Mar 2026 |
| 2049 | Baird Oil Company LLC | Logan, KS 67646 | Oil Operator | Sep 2025 |
| 2050 | Baja Production | Bridgeport, TX 76426 | Oil & Gas Operator | Mar 2026 |
| 2051 | Baker Corporation | | Oil Operator | Dec 2024 |
| 2052 | Baker Eberle Energy Corp | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 2053 | Baker Gas Inc | Worthington, PA 16262-0739 | Gas Operator | Dec 2025 |
| 2054 | Baker Oil & Gas | St Louisville, OH 43071 | Oil & Gas Operator | Sep 2014 |
| 2055 | Baker Oil And Gas Company | | Gas Operator | Dec 1997 |
| 2056 | Baker Oil Co | Leitchfield, KY 42754 | Oil & Gas Operator | Dec 2023 |
| 2057 | Baker Oil Incorp | | Oil Operator | Oct 1985 |
| 2058 | Baker Operating, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Mar 2026 |
| 2059 | Baker Petroleum | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Oct 1999 |
| 2060 | Baker Resources | San Angelo, TX 76902 | Oil & Gas Operator | Aug 2021 |
| 2061 | Baker Resources, LLC | San Angelo, TX 76902 | Oil & Gas Operator | Mar 2026 |
| 2062 | Baker Roscoe | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2000 |
| 2063 | Baker, Brent Oil & Gas, Inc. | Oklahoma City, OK 73149 | Oil & Gas Operator | Mar 2026 |
| 2064 | Baker, Charles And Stephanie | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 2065 | Baker, James J. & Jacqueline J. | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 2066 | Baker, Jessup J. | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 2067 | Baker-Dickey Partnership | | Oil Operator | Dec 1992 |
| 2068 | Bakersfield Energy Resources Inc. | | Oil & Gas Operator | Dec 1998 |
| 2069 | Bakerwell Inc | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2024 |
| 2070 | Bakin Oil & Gas Inc | | Oil & Gas Operator | Apr 2020 |
| 2071 | Bakken Hunter, LLC | | Oil & Gas Operator | Jun 2017 |
| 2072 | Balance Production Corporation | Temple, TX 76503 | Oil & Gas Operator | Sep 2025 |
| 2073 | Balcerzak, Mr. & Mrs. Raymond R., SR. | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 2074 | Balco Energy Corporation | | Oil & Gas Operator | Jul 1983 |
| 2075 | Balco Energy Inc | Duncan, OK 73533 | Oil & Gas Operator | Jan 2026 |
| 2076 | Balcones Production Company | Houston, TX 77002 | Oil & Gas Operator | Feb 1996 |
| 2077 | Bald Eagle Operating Inc. | Midland, TX 79707 | Oil & Gas Operator | Mar 2026 |
| 2078 | Bald Hill Oil | Sheffield, PA 16347-0274 | Oil & Gas Operator | Dec 2025 |
| 2079 | Bald Hill Oil Company | Oklahoma City, OK 73107 | Oil & Gas Operator | Apr 2013 |
| 2080 | Baldes Henry | Riverton, WY 82501 | Oil Operator | Dec 1998 |
| 2081 | Baldrachi Oil Properties LLC | Bartlesville, OK 74006-1622 | Oil Operator | Dec 2025 |
| 2082 | Baldridge, Doug | | Oil & Gas Operator | Jul 2018 |
| 2083 | Baldwin And Baldwin Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1993 |
| 2084 | Baldwin Lynch Energy Corp. | Fort Collins, CO 80525-3354 | Oil Operator | Dec 2025 |
| 2085 | Baldwin, C. R. Jr. | South Bend, TX 76481 | Oil & Gas Operator | Feb 2000 |
| 2086 | Baldwin, Daniel | Little Genesee, NY 14754 | Oil & Gas Operator | Dec 2024 |
| 2087 | Bale Charles R | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2014 |
| 2088 | Bale Corporation (The) | Edmond, OK 73083-6863 | Oil & Gas Operator | Dec 2019 |
| 2089 | Bales, D. F. & M. L. | Burkburnett, TX 76354 | Oil & Gas Operator | Mar 2026 |
| 2090 | Bali Oil Co. | | Oil & Gas Operator | Dec 2003 |
| 2091 | Balidor Oil & Gas LLC | Houston, TX 77070 | Oil & Gas Operator | Oct 2021 |
| 2092 | Balko, Inc. | Conrad, MT 59425 | Oil & Gas Operator | Dec 2025 |
| 2093 | Ball Marketing, Inc. | | Oil & Gas Operator | Sep 1999 |
| 2094 | Ball Producing Co. | Eastland, TX 76448 | Oil & Gas Operator | Mar 2026 |
| 2095 | Ball Resources Inc | Alliance, OH 44601 | Oil & Gas Operator | Dec 2001 |
| 2096 | Ball, D. A. | El Dorado, KS 67042 | Oil Operator | Dec 2000 |
| 2097 | Ballantyne Oil | | Oil & Gas Operator | Jul 2010 |
| 2098 | Ballantyne Oil, LLC | | Oil & Gas Operator | Mar 2023 |
| 2099 | Ballantyne Ventures LLC | Shelby, MT 59474 | Oil & Gas Operator | Nov 2025 |
| 2100 | Ballard & Associates Inc | Billings, MT 59102-5406 | Oil & Gas Operator | Feb 2000 |