| 3901 | Brook Valley Oil & Gas Inc | Dayton, OH 45419 | Oil & Gas Operator | Dec 2014 |
| 3902 | Brooken Production Company LLC | Tulsa, OK 74170-1354 | Gas Operator | Apr 2025 |
| 3903 | Brooklyn Union Expl. Co., Inc. | | Oil & Gas Operator | Jul 1994 |
| 3904 | Brooklyn Union Explor. Co., Inc. | Houston, TX 77010 | Oil & Gas Operator | Jan 1994 |
| 3905 | Brooks And Lee | | Oil & Gas Operator | Dec 1994 |
| 3906 | Brooks E L | Edmond, OK 73034-6882 | Oil & Gas Operator | May 2009 |
| 3907 | Brooks Energy Company | Tulsa, OK 74114-3304 | Oil & Gas Operator | Jul 2008 |
| 3908 | Brooks Exploration, Inc. | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |
| 3909 | Brooks Oil & Gas Inc | Sun Prairie, WI 53590 | Oil & Gas Operator | May 2013 |
| 3910 | Brooks Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Jul 2025 |
| 3911 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Jul 2025 |
| 3912 | Brooks Petroleum Inc | Kilgore, TX 75663 | Oil & Gas Operator | May 1999 |
| 3913 | Brooks Range Petroleum | | Oil & Gas Operator | Nov 2019 |
| 3914 | Brooks Ron Corpo | | Oil & Gas Operator | Sep 1995 |
| 3915 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 3916 | Brooks, Ron Corporation | Hutchinson, KS 67502 | Gas Operator | Apr 1999 |
| 3917 | Brooks, Wanita M. | Moore, OK 73153 | Oil Operator | Jul 2003 |
| 3918 | Brookston Energy, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Jul 2025 |
| 3919 | Brookston Resources, Inc | Newburgh, IN 47630 | Oil Operator | Dec 2023 |
| 3920 | Brookwater Energy Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 3921 | Brookwood Oil Company | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2002 |
| 3922 | Broschat Engineering & Management Services, Inc. | | Oil & Gas Operator | May 2017 |
| 3923 | Brothers Oil & Equipment, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 3924 | Brothers Operating Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Jul 2025 |
| 3925 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Jul 2025 |
| 3926 | Brothers Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2004 |
| 3927 | Brotherton Production Co. | Spokane, WA 99216 | Oil & Gas Operator | Jul 2025 |
| 3928 | Brougher Oil, Inc. | Wichita, KS 67212 | Oil & Gas Operator | Apr 2002 |
| 3929 | Broughton Brothers Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 3930 | Broughton Foods Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 3931 | Broughton Oil | | Oil Operator | Nov 1985 |
| 3932 | Broughton Operating Corp. | Pittsburgh, PA 15219 | Oil & Gas Operator | Nov 2000 |
| 3933 | Browder & Ratcliff | Dewey, OK 74029 | Oil Operator | Aug 2000 |
| 3934 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 3935 | Brower Oil & Gas Inc | Jenks, OK 74037 | Oil & Gas Operator | Nov 2022 |
| 3936 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Jul 2025 |
| 3937 | Brown & Bickerstaff | | Oil & Gas Operator | Oct 1991 |
| 3938 | Brown & Borelli, Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Jul 2025 |
| 3939 | Brown & Brown Of Pawnee Inc | Pawnee, OK 74058-9702 | Oil Operator | Jan 2013 |
| 3940 | Brown & Brown Production Inc | Ratliff City, OK 73481 | Oil & Gas Operator | Apr 2025 |
| 3941 | Brown & Fox | Iowa Park, TX 76367 | Oil & Gas Operator | Aug 2003 |
| 3942 | Brown & McKenzie, Inc. | | Oil & Gas Operator | May 1984 |
| 3943 | Brown & Payne Oil DRLG, Inc | Hawesville, KY 42348 | Oil Operator | Dec 2023 |
| 3944 | Brown Alan L | Pawhuska, OK 74056 | Oil & Gas Operator | Mar 2025 |
| 3945 | Brown B J | Tulsa, OK 74133 | Gas Operator | Jan 2007 |
| 3946 | Brown Brothers | Texhoma, OK 73949 | Oil & Gas Operator | Apr 2025 |
| 3947 | Brown Curt Operating Company | Tulsa, OK 74105 | Oil Operator | Nov 1998 |
| 3948 | Brown Don J | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2014 |
| 3949 | Brown Dorla M Trust | Tulsa, OK 74133-2926 | Oil & Gas Operator | Dec 2021 |
| 3950 | Brown Doug & Larita | Newcastle, WY 82701 | Oil & Gas Operator | Dec 2024 |
| 3951 | Brown Drilling Company | Mounds, OK 74047-4263 | Oil & Gas Operator | Oct 2020 |
| 3952 | Brown Gary E | Tecumseh, OK 74873-0355 | Oil & Gas Operator | Aug 2015 |
| 3953 | Brown Gene Compa | | Oil Operator | Sep 1995 |
| 3954 | Brown Gregory L Co Inc | Houston, TX 77056 | Oil & Gas Operator | Dec 1991 |
| 3955 | Brown Industrial Gas, Inc. | Tulsa, OK 74103 | Gas Operator | Sep 2013 |
| 3956 | Brown J K Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2003 |
| 3957 | Brown Jeff J Dba Brown Service Co | Enid, OK 73701 | Oil & Gas Operator | May 2025 |
| 3958 | Brown Jr Roy M | Sasakwa, OK 74867 | Oil Operator | Nov 2016 |
| 3959 | Brown Kenny Ente | | Oil Operator | Jul 1995 |
| 3960 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 3961 | Brown L S | Hominy, OK 74035 | Oil & Gas Operator | Sep 2024 |
| 3962 | Brown Oil & Gas Co. | Mexia, TX 76667 | Oil & Gas Operator | Jul 2025 |
| 3963 | Brown Oil & Gas LLC | | Oil & Gas Operator | Apr 2025 |
| 3964 | Brown Oil Properties | | Oil Operator | Nov 1983 |
| 3965 | Brown Operating | | Oil & Gas Operator | Dec 1991 |
| 3966 | Brown Operating & MGMT Corp. | | Oil & Gas Operator | Feb 1991 |
| 3967 | Brown Operating Inc | Casper, WY 82602 | Oil & Gas Operator | May 2019 |
| 3968 | Brown Phillip H Jr. Corporatio | Lowell, OH 45744 | Oil & Gas Operator | Dec 2002 |
| 3969 | Brown Shirley | Buffalo, WY 82834 | Oil & Gas Operator | Oct 2010 |
| 3970 | Brown Tank & Equipment Inc | Blackwell, OK 74631-5600 | Oil Operator | Oct 2000 |
| 3971 | Brown Tom Constr | | Oil Operator | Dec 1995 |
| 3972 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 3973 | Brown Vernon L & Bonita | Cleveland, OK 74020-4426 | Oil & Gas Operator | Apr 2009 |
| 3974 | Brown VIola E. | Plainville, KS 67663 | Oil Operator | May 2014 |
| 3975 | Brown, Al A. | Houston, TX 77002 | Oil & Gas Operator | Feb 1998 |
| 3976 | Brown, Buddy | Livingston, TX 77351 | Oil & Gas Operator | Jul 2025 |
| 3977 | Brown, C. Douglas, LLC | Dallas, TX 75209 | Oil & Gas Operator | Dec 2005 |
| 3978 | Brown, C. L. Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Dec 1999 |
| 3979 | Brown, Darryl | Graham, TX 76450 | Oil Operator | Dec 1995 |
| 3980 | Brown, Darryl Operating L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 3981 | Brown, Edmond | Loving, TX 76460 | Oil & Gas Operator | Dec 2017 |
| 3982 | Brown, Edward L. | | Oil Operator | Sep 1980 |
| 3983 | Brown, Frank | Graham, TX 76450 | Oil & Gas Operator | Apr 2003 |
| 3984 | Brown, Gene Company | Plainville, KS 67663 | Oil Operator | May 1996 |
| 3985 | Brown, Geo. R Partnership,LP,The | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 3986 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 3987 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 3988 | Brown, H.L. Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 3989 | Brown, J. Burns Operating Co. | Havre, MT 59501 | Oil & Gas Operator | May 2025 |
| 3990 | Brown, Jo Ann Dahl | | Oil & Gas Operator | Jun 2004 |
| 3991 | Brown, John Oil Co. | Eagle Pass, TX 78852 | Oil & Gas Operator | Jul 2025 |
| 3992 | Brown, L. Z. | Andrews, TX 79714 | Gas Operator | Jan 1997 |
| 3993 | Brown, Leon | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 2005 |
| 3994 | Brown, Myrvin | Hawesville, KY 42348 | Oil Operator | Dec 2023 |
| 3995 | Brown, Nicholas L. | Iola, KS 66749 | Oil Operator | Apr 2010 |
| 3996 | Brown, Perry B | | Oil & Gas Operator | Apr 2024 |
| 3997 | Brown, Richard E | Hawesville, KY 42348 | Oil Operator | Dec 2023 |
| 3998 | Brown, Russell Operator, Inc. | Alice, TX 78333 | Oil & Gas Operator | Jul 2025 |
| 3999 | Brown, Thomas M. (Deceased) | Plainville, KS 67663 | Oil Operator | May 2006 |
| 4000 | Brown, Toss H. | Lubbock, TX 79408 | Oil & Gas Operator | Aug 2003 |