| 2001 | Baldrachi Oil Properties LLC | Bartlesville, OK 74006-1622 | Oil Operator | May 2026 |
| 2002 | Baldridge, Fred D | | Oil & Gas Operator | Jul 2018 |
| 2003 | Baldwin And Baldwin Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1993 |
| 2004 | Baldwin Lynch Energy Corp. | Billings, MT 59108 | Oil Operator | Jun 2026 |
| 2005 | Baldwin, C. R. Jr. | South Bend, TX 76481 | Oil & Gas Operator | Feb 2000 |
| 2006 | Baldwin, Daniel | Little Genesee, NY 14754 | Oil & Gas Operator | Dec 2025 |
| 2007 | Bale Charles R | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2014 |
| 2008 | Bale Corporation (The) | Edmond, OK 73083-6863 | Oil & Gas Operator | Dec 2019 |
| 2009 | Bales, D. F. & M. L. | Burkburnett, TX 76354 | Oil & Gas Operator | Sep 2026 |
| 2010 | Bali Oil Co. | | Oil & Gas Operator | Dec 2003 |
| 2011 | Balidor Oil & Gas LLC | Houston, TX 77070 | Oil & Gas Operator | Oct 2021 |
| 2012 | Balko, Inc. | Conrad, MT 59425 | Oil & Gas Operator | Apr 2026 |
| 2013 | Ball Marketing, Inc. | | Oil & Gas Operator | Sep 1999 |
| 2014 | Ball Producing Co. | Argyle, TX 76226 | Oil & Gas Operator | Sep 2026 |
| 2015 | Ball Resources Inc | Alliance, OH 44601 | Oil & Gas Operator | Dec 2001 |
| 2016 | Ball, D. A. | El Dorado, KS 67042 | Oil Operator | Dec 2000 |
| 2017 | Ballantyne Oil | | Oil & Gas Operator | Jul 2010 |
| 2018 | Ballantyne Oil, LLC | | Oil & Gas Operator | Mar 2023 |
| 2019 | Ballantyne Ventures LLC | Shelby, MT 59474 | Oil & Gas Operator | Apr 2026 |
| 2020 | Ballard & Associates Inc | Billings, MT 59102-5406 | Oil & Gas Operator | Feb 2000 |
| 2021 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 2022 | Ballard Lance E | | Oil Operator | Dec 1993 |
| 2023 | Ballard Oil Inc. | | Oil & Gas Operator | Jun 2026 |
| 2024 | Ballard Petroleum Holdings LLC | Billings, MT 59104 | Oil & Gas Operator | Jun 2026 |
| 2025 | Ballard Petroleum LLC | Billings, MT 59102-5406 | Oil & Gas Operator | Apr 2014 |
| 2026 | Ballew Oil & Gas Inc | Yale, OK 74085 | Oil Operator | Sep 1995 |
| 2027 | Ballou Energy | | Oil Operator | Apr 2026 |
| 2028 | Ballou Enterprises, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jan 1997 |
| 2029 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 2030 | Ballou Oil Well Service | | Oil Operator | Apr 2026 |
| 2031 | Ballyoil Inc | Chickasha, OK 73018 | Oil & Gas Operator | Jul 2023 |
| 2032 | Balsam R C | | Oil & Gas Operator | Apr 1991 |
| 2033 | Baltic Royalty Corp. | Dallas, TX 75209 | Oil & Gas Operator | Mar 2008 |
| 2034 | Bam Energy Inc | San Antonio, TX 78216 | Gas Operator | Sep 1991 |
| 2035 | Bam Operating, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Nov 2014 |
| 2036 | Bam Permian Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Sep 2026 |
| 2037 | Bam Production Company | Granbury, TX 76048 | Oil & Gas Operator | Aug 2003 |
| 2038 | Bammert, H. L. | Weesatche, TX 77993 | Oil & Gas Operator | Sep 2013 |
| 2039 | Bamsaw Oil Inc | Sapulpa, OK 74067 | Oil Operator | Dec 1993 |
| 2040 | Banam Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2013 |
| 2041 | Bancequity Petroleum Corporation | Macedonia, OH 44056 | Oil & Gas Operator | Dec 2025 |
| 2042 | Bancroft Oil LLC | Chanute, KS 66720 | Oil Operator | Apr 2026 |
| 2043 | Bancroft Venture LLC | Kerens, TX 75144 | Oil Operator | Sep 2026 |
| 2044 | Bandera Eagle Ford, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2026 |
| 2045 | Bandera Energy Company | | Oil & Gas Operator | Mar 1986 |
| 2046 | Bandera Exploration Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2017 |
| 2047 | Bandera Oil & Gas Inc | Fulshear, TX 77441 | Oil & Gas Operator | Sep 2026 |
| 2048 | Bandera Petroleum, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2018 |
| 2049 | Banding M R Inc | Gillette, WY 82717 | Oil & Gas Operator | Mar 2026 |
| 2050 | Bandit Energy, LLC | Perry, MI 48872 | Oil Operator | Dec 2024 |
| 2051 | Bandolier Energy LLC | | Oil & Gas Operator | Mar 2020 |
| 2052 | Bands Company Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2014 |
| 2053 | Bands Group LLC | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2023 |
| 2054 | Bandwheel Production Co LLC | | Oil Operator | May 2026 |
| 2055 | Bandy Paul L | | Oil Operator | Nov 1996 |
| 2056 | Bandy, Paul & Marjorie, Irrevocable Trust | Canton, KS 67428 | Oil & Gas Operator | Nov 2009 |
| 2057 | Baney Well Service Inc | Denver, CO 80237 | Oil Operator | Dec 2015 |
| 2058 | Bank Oil Services | Muskogee, OK 74403-4025 | Oil & Gas Operator | Mar 2020 |
| 2059 | Bankhead E & P LLC | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Sep 2026 |
| 2060 | Bankhead Operating Corp. | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2026 |
| 2061 | Bankoff Oil Comp | | Oil Operator | Jun 1995 |
| 2062 | Bankoff Oil Company | Tulsa, OK 74170 | Oil Operator | Sep 2003 |
| 2063 | Banks And Conrad | | Oil Operator | Sep 1987 |
| 2064 | Banks Oil - Lee | | Oil & Gas Operator | Jun 1995 |
| 2065 | Banks Oil Co | | Oil & Gas Operator | Mar 2026 |
| 2066 | Banks Operating Company | | Oil & Gas Operator | Jul 1989 |
| 2067 | Banks, Francis C | Fordsville, KY 42343 | Oil Operator | Dec 2018 |
| 2068 | Banks, R. C. | Midland, TX 79702 | Oil & Gas Operator | Apr 2016 |
| 2069 | Banlee Energy | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2010 |
| 2070 | Banner Oil | | Oil Operator | Nov 2019 |
| 2071 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | May 2026 |
| 2072 | Banner Operating, LLC | Austin, TX 78735 | Oil & Gas Operator | Sep 2026 |
| 2073 | Banner Petroleum LLC | | Oil Operator | Dec 2015 |
| 2074 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
| 2075 | Bannon Operating Inc | Houston, TX 77068 | Oil & Gas Operator | Sep 2003 |
| 2076 | Banquet Production, LLC | Woodson, TX 76491 | Oil Operator | Sep 2026 |
| 2077 | Banta And Haigh | Aurora, CO 80014 | Oil & Gas Operator | Feb 1998 |
| 2078 | Bar CT Ranch, LP | Caney, KS 67333 | Oil Operator | Mar 2026 |
| 2079 | Bar D Energy, LLC | Lubbock, TX 79423 | Oil & Gas Operator | Sep 2026 |
| 2080 | Bar H Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1997 |
| 2081 | Bar J-B Co., Inc. | Corsicana, TX 75151 | Oil Operator | Sep 2026 |
| 2082 | Bar L Producers | Fritch, TX 79036 | Oil & Gas Operator | Feb 2025 |
| 2083 | Bar Mesa Resources Inc | Roosevelt, UT 84066 | Oil & Gas Operator | Sep 2012 |
| 2084 | Bar Operating Production Co. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2004 |
| 2085 | Bar V Energy LLC | Poteet, TX 78065 | Oil Operator | Sep 2026 |
| 2086 | Bar Val | Wadsworth, OH 44281 | Oil & Gas Operator | Dec 1998 |
| 2087 | Bar-G Oil & Gas | New Concord, OH 43762 | Oil & Gas Operator | Dec 2016 |
| 2088 | Bar-Mac Investments Inc. | Brenham, TX 77834 | Oil & Gas Operator | Jun 2017 |
| 2089 | Bara Corporation | Flower Mound, TX 75027 | Oil & Gas Operator | Apr 2004 |
| 2090 | Barataria Production SVCS, LLC | | Oil Operator | Sep 2009 |
| 2091 | Barb Oil Co | Gambier, OH 43022 | Oil & Gas Operator | Dec 1986 |
| 2092 | Barbara Fasken | Midland, TX 79701 | Oil & Gas Operator | Dec 1995 |
| 2093 | Barbe D F | Recluse, WY 82725 | Oil & Gas Operator | Dec 2000 |
| 2094 | Barbee, Bill J. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 1994 |
| 2095 | Barbee, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 2096 | Barbee, R.L. Operating, Inc. | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Sep 2026 |
| 2097 | Barber Oil Inc | Carlsbad, NM 88220 | Oil Operator | Mar 1994 |
| 2098 | Barber Oil LLC | Tulsa, OK 74137 | Oil & Gas Operator | May 2026 |
| 2099 | Barber, B. S. | Kilgore, TX 75662 | Oil & Gas Operator | Nov 1998 |
| 2100 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Sep 2026 |