| 2001 | B.W.O.C., Inc. | Plano, TX 75026 | Oil & Gas Operator | Apr 2025 |
| 2002 | B2J, L.L.C. | Lovington, NM 88260 | Oil Operator | Jan 2025 |
| 2003 | B5 Holdings LLC | | Oil Operator | Dec 2024 |
| 2004 | B5 Operating, LLC | Wellington, KS 67152 | Oil & Gas Operator | Dec 2024 |
| 2005 | B8 Investments | | Oil Operator | Dec 2024 |
| 2006 | Baay Oil LLC | Akron, OH 44333 | Oil & Gas Operator | Dec 2023 |
| 2007 | Babcock & Brown Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 2007 |
| 2008 | Babcock Ronald W | Newark, OH 43055 | Oil & Gas Operator | Dec 2019 |
| 2009 | Babcock, Dorothy | Clymer, NY 14724 | Gas Operator | Dec 2023 |
| 2010 | Baber Oil & Gas LLC | Guymon, OK 73942 | Oil Operator | Feb 2025 |
| 2011 | Baber Oil Co., LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2025 |
| 2012 | Baber Well Servicing Co. | Hobbs, NM 88240 | Oil & Gas Operator | May 1995 |
| 2013 | Baber, Bill M. | Petrolia, TX 76377 | Oil & Gas Operator | Apr 2025 |
| 2014 | Baby Oil, Inc. | | Oil & Gas Operator | Oct 2017 |
| 2015 | Baca Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2000 |
| 2016 | Baccarat Oil LTD | Denver, CO 80223 | Oil Operator | Jan 2001 |
| 2017 | Bach Energy Corporation | | Oil & Gas Operator | Jul 1992 |
| 2018 | Bach Oil Production | | Oil Operator | Dec 2024 |
| 2019 | Bachman Resources Group Inc. | | Oil Operator | Nov 2024 |
| 2020 | Bachtell Oil & Gas, LTD. | Longview, TX 75605 | Oil & Gas Operator | Apr 2025 |
| 2021 | Bachtell, Charles Ray | Longview, TX 75605 | Oil & Gas Operator | Feb 2004 |
| 2022 | Back, Neville | McLean, TX 79057 | Gas Operator | Jan 1999 |
| 2023 | Backa LLC | Arkansas City, KS 67005 | Oil Operator | Dec 2024 |
| 2024 | Backus & Lanford | | Oil Operator | Aug 1985 |
| 2025 | Backus,Barnwell& Von Gonten | | Oil & Gas Operator | Oct 1984 |
| 2026 | Bacon Energy | Cisco, TX 76437 | Oil & Gas Operator | Apr 2025 |
| 2027 | Bacon Fred Estate Of | Glenpool, OK 74033-9802 | Oil & Gas Operator | Apr 2020 |
| 2028 | Bacon Ted L | Afton, OK 74331-5518 | Oil Operator | Nov 2005 |
| 2029 | Badak Energy Inc. | | Oil & Gas Operator | Oct 2020 |
| 2030 | Badak Energy-Carraway Co | | Oil Operator | Dec 1990 |
| 2031 | Badger Energy LLC | | Oil & Gas Operator | Dec 2024 |
| 2032 | Badger Energy, Inc. | Austin, TX 78714 | Oil & Gas Operator | Apr 2025 |
| 2033 | Badger Oil Company | Midland, TX 79701 | Oil & Gas Operator | Jun 1996 |
| 2034 | Badger Oil Corporation | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2011 |
| 2035 | Badger Oil/Clovelly Oil | | Oil & Gas Operator | Oct 2004 |
| 2036 | Badlands Energy-Utah, LLC | Denver, CO 80237 | Oil & Gas Operator | Feb 2018 |
| 2037 | Badlands Production Company | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Sep 2018 |
| 2038 | Baf Partnership | Coleman, TX 76834 | Oil & Gas Operator | Aug 1995 |
| 2039 | Bagby Energy LLC | Fort Smith, AR 72913 | Gas Operator | Apr 2010 |
| 2040 | Bagley, Roy | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2025 |
| 2041 | Bah-Pepper Operating, LLC | Nocona, TX 76255 | Oil & Gas Operator | Apr 2025 |
| 2042 | Baham Energy Services, LLC | | Oil Operator | Dec 2024 |
| 2043 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 2044 | Bahlburg Exploration Inc | Plano, TX 750866937 | Oil & Gas Operator | Jun 1996 |
| 2045 | Bahr Oil & Gas | Shalimar, FL 32579 | Oil & Gas Operator | Apr 2025 |
| 2046 | Bailer And Deshaw | | Oil Operator | Dec 2020 |
| 2047 | Bailer Oil Company LLC | | Oil Operator | Dec 2024 |
| 2048 | Bailey Boy Oil | | Oil Operator | Nov 2024 |
| 2049 | Bailey C A | Nowata, OK 74048-0206 | Oil Operator | Aug 1999 |
| 2050 | Bailey David A | Mounds, OK 74047 | Oil & Gas Operator | Jan 2025 |
| 2051 | Bailey Lorene Estate Of | Fort Collins, CO 80525 | Oil Operator | Feb 2012 |
| 2052 | Bailey Michael L & Pamela D Dba MPB Oil & Gas | Paden, OK 74860-9789 | Oil & Gas Operator | Feb 2025 |
| 2053 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jan 2025 |
| 2054 | Bailey Petroleum Corporation | Oklahoma City, OK 73159-7652 | Oil & Gas Operator | Feb 2004 |
| 2055 | Bailey Petroleum, Inc. | League City, TX 77573 | Oil & Gas Operator | Apr 2025 |
| 2056 | Bailey Richard Leon | Paden, OK 74860-7152 | Oil & Gas Operator | Jan 2025 |
| 2057 | Bailey Sharon | Centerville, KS 66014 | Oil Operator | Sep 1997 |
| 2058 | Bailey, Albian W., Jr. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 2059 | Bailey, Gene M. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 2060 | Bailey, Harold B | Owensboro, KY 42303 | Oil Operator | Dec 2021 |
| 2061 | Bailey, L. J. | Pleasanton, TX 78064 | Oil & Gas Operator | Jul 2003 |
| 2062 | Bailey, Michael Dba D & M Energy | New Milton, WV 26411-6160 | Oil & Gas Operator | Dec 2021 |
| 2063 | Bailey, S. H. | | Oil & Gas Operator | Jul 1995 |
| 2064 | Bain Resources, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Jan 2025 |
| 2065 | Bainbridge Uinta LLC | Dallas, TX 75205 | Oil & Gas Operator | May 2021 |
| 2066 | Bair'S Lease Service, Inc. | Luling, TX 78648 | Oil & Gas Operator | Apr 2025 |
| 2067 | Bair, Orville L. | Burden, KS 67019 | Oil & Gas Operator | Oct 2003 |
| 2068 | Baird Bros Sawmill Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2012 |
| 2069 | Baird Family Limited Partnership | Canfield, OH 44406 | Oil & Gas Operator | Dec 2024 |
| 2070 | Baird Oil Company Inc | Lewisville, TX 75067 | Oil & Gas Operator | Apr 2025 |
| 2071 | Baird Oil Company LLC | Logan, KS 67646 | Oil Operator | Dec 2024 |
| 2072 | Baja Production | Bridgeport, TX 76426 | Oil & Gas Operator | Apr 2025 |
| 2073 | Baker Corporation | | Oil Operator | Dec 2023 |
| 2074 | Baker Gas Inc | Worthington, PA 16262-0739 | Gas Operator | Jan 2025 |
| 2075 | Baker Oil & Gas | St Louisville, OH 43071 | Oil & Gas Operator | Sep 2014 |
| 2076 | Baker Oil And Gas Company | | Gas Operator | Dec 1997 |
| 2077 | Baker Oil Co | Leitchfield, KY 42754 | Oil & Gas Operator | Dec 2023 |
| 2078 | Baker Oil Incorp | | Oil Operator | Oct 1985 |
| 2079 | Baker Operating, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Apr 2025 |
| 2080 | Baker Petroleum | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Oct 1999 |
| 2081 | Baker Resources | San Angelo, TX 76902 | Oil & Gas Operator | Aug 2021 |
| 2082 | Baker Resources, LLC | San Angelo, TX 76902 | Oil & Gas Operator | Apr 2025 |
| 2083 | Baker Roscoe | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2000 |
| 2084 | Baker, Brent Oil & Gas, Inc. | Oklahoma City, OK 73149 | Oil & Gas Operator | Apr 2025 |
| 2085 | Baker, Charles And Stephanie | Falconer, NY 14733 | Gas Operator | Dec 2023 |
| 2086 | Baker, Eberle Energy Corp. | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 2087 | Baker, James J. & Jacqueline J. | Mayville, NY 14757 | Gas Operator | Dec 2023 |
| 2088 | Baker, Jessup J. | Mayville, NY 14757 | Gas Operator | Dec 2023 |
| 2089 | Baker-Dickey Partnership | | Oil Operator | Dec 1992 |
| 2090 | Bakersfield Energy Resources Inc. | | Oil & Gas Operator | Dec 1998 |
| 2091 | Bakerwell Inc | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2024 |
| 2092 | Bakin Oil And Gas | Peru, KS 67360 | Oil & Gas Operator | Apr 2020 |
| 2093 | Bakken Hunter, LLC | | Oil & Gas Operator | Jun 2017 |
| 2094 | Balance Production Corporation | Temple, TX 76503 | Oil & Gas Operator | Apr 2025 |
| 2095 | Balcerzak, Mr. & Mrs. Raymond R., SR. | Alden, NY 14004 | Gas Operator | Dec 2023 |
| 2096 | Balco Energy Corporation | | Oil & Gas Operator | Jul 1983 |
| 2097 | Balco Energy Inc | Duncan, OK 73533 | Oil & Gas Operator | Feb 2025 |
| 2098 | Balcones Production Company | Houston, TX 77002 | Oil & Gas Operator | Feb 1996 |
| 2099 | Bald Eagle Operating Inc. | Midland, TX 79707 | Oil & Gas Operator | Apr 2025 |
| 2100 | Bald Hill Oil | Sheffield, PA 16347-0274 | Oil & Gas Operator | Dec 2024 |