| 2001 | Bretagne, LLC | Beattyville, , K 41311 | Oil Operator | Dec 2023 |
| 2002 | Breton Sound Holdings, LLC | | Oil & Gas Operator | Dec 2024 |
| 2003 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Jan 2025 |
| 2004 | Brewer Hazel R | Oologah, OK 74053-3540 | Oil & Gas Operator | Apr 2017 |
| 2005 | Brewer J E | Seminole, OK 74818-0863 | Oil & Gas Operator | Mar 2014 |
| 2006 | Brewer Natural Resources, LLC | Lexington, WV 40508 | Oil & Gas Operator | Dec 2020 |
| 2007 | Brewer Robert A And Karen A | | Oil Operator | Feb 2025 |
| 2008 | Brewer, Freddie P. | Paola, KS 66071 | Oil Operator | Nov 2003 |
| 2009 | Brewton And Martin | | Oil Operator | Dec 1997 |
| 2010 | BRG Lone Star LTD. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2025 |
| 2011 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 2012 | BRG Petroleum LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2025 |
| 2013 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
| 2014 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Feb 2025 |
| 2015 | Brian C. Register | | Oil & Gas Operator | Jun 2011 |
| 2016 | Brian Energy | Kilgore, TX 75663 | Oil & Gas Operator | May 2013 |
| 2017 | Brian Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2020 |
| 2018 | Briar Energy Corporation | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 2019 | Briar Hill Energy, Inc. | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 2020 | Briar Hollow Energy Company | Portland, TX 78374 | Oil & Gas Operator | Apr 2025 |
| 2021 | Briar Oil & Gas - Oklahoma 1 LLC | Houston, TX 77027-9392 | Oil & Gas Operator | Jan 2025 |
| 2022 | Briarcreek Operating LLC | Graham, TX 76450 | Oil Operator | Apr 2025 |
| 2023 | Briarwood Energy Co | Akron, OH 43334 | Oil & Gas Operator | Dec 1996 |
| 2024 | Bricar Inc | Oklahoma City, OK 73108 | Oil & Gas Operator | Nov 1998 |
| 2025 | Brichacek Jerry Lee | Drumright, OK 74030-9777 | Oil & Gas Operator | Jan 2020 |
| 2026 | Brickley Enterprises, LLC | Eldorado, KS 67042 | Oil Operator | Dec 2024 |
| 2027 | Bricktown Energy LLC | Oklahoma City, OK 73112-5468 | Oil & Gas Operator | Jan 2025 |
| 2028 | Brico Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 2029 | Bridas Energy USA, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Aug 2008 |
| 2030 | Bridge Energy LLC | | Oil & Gas Operator | Dec 2024 |
| 2031 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 2032 | Bridge Oil Development | San Antonio, TX 78209-1181-1181 | Oil & Gas Operator | Dec 1986 |
| 2033 | Bridge Oil Production Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1993 |
| 2034 | Bridge Point Carson LLC | | Oil & Gas Operator | Dec 2024 |
| 2035 | Bridgecreek Resources (Colorado), LLC | Littleton, CO 80120 | Oil & Gas Operator | Feb 2025 |
| 2036 | Bridgeland Resources LLC | | Oil & Gas Operator | Dec 2024 |
| 2037 | Bridgemark Corporation | | Oil & Gas Operator | Dec 2024 |
| 2038 | Bridgeport Productions, Inc. | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 2039 | Bridger Oil Inc. | Richmond, TX 77406 | Oil & Gas Operator | Apr 2025 |
| 2040 | Bridger Petroleum Corp | | Oil & Gas Operator | Oct 1999 |
| 2041 | Bridgers, Lindley | | Oil Operator | Nov 2012 |
| 2042 | Bridges Drilling | | Oil & Gas Operator | Jan 2025 |
| 2043 | Bridges Oil Co Etal | | Oil Operator | Dec 1996 |
| 2044 | Bridgestone/Firestone Inc | Akron, OH 44317 | Oil & Gas Operator | Dec 2022 |
| 2045 | Bridon Energy LLC | Yukon, OK 73099 | Oil & Gas Operator | Jan 2025 |
| 2046 | Bridwell Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 2047 | Bridwell Oil Company, A General Partnership | Wichita Falls, TX 76307 | Oil Operator | Dec 2024 |
| 2048 | Bridwell Oil Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 2049 | Bridwell Oil MGMT Of Al, LLC | | Oil & Gas Operator | Apr 2006 |
| 2050 | Bridwell, Kayla & Gary | Independence, KS 67301 | Oil & Gas Operator | Dec 2009 |
| 2051 | Brier Oil LLC | Flatgap, KY 41219 | Oil Operator | Dec 2023 |
| 2052 | Brigadier Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Aug 2017 |
| 2053 | Brigco LLC | Lakin, KS 67860 | Gas Operator | Dec 2023 |
| 2054 | Briggs & Croker Oil, LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 2055 | Briggs Operating Company | | Oil & Gas Operator | Nov 1998 |
| 2056 | Briggs Properties, L.L.C. | | Oil Operator | Mar 2015 |
| 2057 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 2058 | Brigham Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Apr 2025 |
| 2059 | Brigham Resources Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Jun 2017 |
| 2060 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 2061 | Bright & Schiff | | Oil & Gas Operator | Dec 1977 |
| 2062 | Bright Hawk Operating Company | Spring, TX 77388 | Oil & Gas Operator | Apr 2025 |
| 2063 | Bright Horizon Resources LLC | Tulsa, OK 74136-4220 | Oil & Gas Operator | Sep 2016 |
| 2064 | Bright Horizon Texas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
| 2065 | Bright North Explorations LTD. | Canada, 00100 | Oil & Gas Operator | Apr 2025 |
| 2066 | Bright Oil Company | Cumming, GA 30028 | Oil & Gas Operator | Apr 2025 |
| 2067 | Bright R E | Tulsa, OK 74116 | Oil & Gas Operator | Nov 2012 |
| 2068 | Bright Rock Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2024 |
| 2069 | Bright Well Oil & Gas Co | Armagh, PA 15920-0229 | Gas Operator | Dec 2023 |
| 2070 | Bright, Wayne E. | Independence, KS 67301 | Oil & Gas Operator | Dec 2024 |
| 2071 | Brightman Family Trust | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 2072 | Brightman, Tom | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 2073 | Brighton Energy LLC | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 2074 | Brightriver Energy Co | Katy, TX 77494 | Oil & Gas Operator | Apr 2025 |
| 2075 | Brightspot Operating LLC | Katy, TX 77494 | Oil & Gas Operator | Apr 2025 |
| 2076 | Brigman Prod Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2009 |
| 2077 | Brilex LLC | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2024 |
| 2078 | Briley Operating, LLC | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 2079 | Brim, Jim | Brownwood, TX 76801 | Oil & Gas Operator | Apr 2025 |
| 2080 | Brindle/Thomas | | Oil & Gas Operator | Dec 2023 |
| 2081 | Brinker Enterprises, LLC | Glen Elder, KS 67446 | Oil Operator | Dec 2024 |
| 2082 | Brinker Henry Milton | Delmont, PA 15626-1208 | Oil & Gas Operator | Dec 2020 |
| 2083 | Brinkerhoff Drilling Co | | Oil & Gas Operator | Jul 1975 |
| 2084 | Brinkerhoff, Bob | Houston, TX 77257 | Gas Operator | Feb 1994 |
| 2085 | Brinkley, Amy M. | Mayville, NY 14757 | Gas Operator | Dec 2023 |
| 2086 | Brinkoeter Gas & Oil | Converse, TX 78109 | Oil & Gas Operator | Aug 2004 |
| 2087 | Brisco, W. M. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2003 |
| 2088 | Briscoe & Smith Oil & Gas Inc | | Oil & Gas Operator | Apr 2014 |
| 2089 | Briscoe Land Development Inc | Geary, OK 73040 | Oil Operator | May 2013 |
| 2090 | Briscoe Oil Company | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Apr 2014 |
| 2091 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 2092 | Briscoe Petroleum, LLC | Sheridan, WY 82801 | Oil & Gas Operator | Feb 2025 |
| 2093 | Briscoe R D Inc | Sheridan, WY 82801-7103 | Gas Operator | Mar 2015 |
| 2094 | Briscoe, Glenn D. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2002 |
| 2095 | Brishoma Oil Company | Broken Arrow, OK 74012-4030 | Oil & Gas Operator | Feb 2010 |
| 2096 | Bristol Resource | | Oil & Gas Operator | Jan 1995 |
| 2097 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 2098 | Bristow Resources Inc | Bristow, OK 74010-0659 | Oil & Gas Operator | Jan 2025 |
| 2099 | Briswell Co | Warren, OH 44484 | Oil & Gas Operator | Dec 2023 |
| 2100 | Britanco, L.L.C. | Falls City, TX 78113 | Oil & Gas Operator | Apr 2025 |