| 901 | Basic Earth Science Systems, Inc. | Austin, TX 78714 | Oil & Gas Operator | Apr 2010 |
| 902 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Nov 2024 |
| 903 | Basin Oil & Gas Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2024 |
| 904 | Basin Operating Inc. | Albany, TX 76430 | Oil & Gas Operator | Nov 2024 |
| 905 | Basin Well Service Of Odessa,Inc | New Braunfels, TX 78132 | Oil & Gas Operator | Nov 2024 |
| 906 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 907 | Bass Operating Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 1999 |
| 908 | Bass Petroleum | Austin, TX 78720 | Oil & Gas Operator | Aug 2004 |
| 909 | Bass Petroleum Inc | Austin, TX 78716 | Oil & Gas Operator | Nov 2024 |
| 910 | Bastrop Energy Group | San Antonio, TX 78231 | Oil & Gas Operator | Nov 2024 |
| 911 | Bataa Oil Inc | Greeley, CO 80634 | Oil & Gas Operator | Sep 2024 |
| 912 | Bateman'S Bay Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Aug 2024 |
| 913 | Batie, Patricia | Odessa, TX 79764 | Oil Operator | Nov 2024 |
| 914 | Batson Ent Ventures L.L.C. | Batson, TX 77519 | Oil Operator | Nov 2024 |
| 915 | Battlecat Oil & Gas, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2017 |
| 916 | Battlecat Operating Company, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2019 |
| 917 | Batton Oil & Gas, LLC | Spearman, TX 79081 | Oil & Gas Operator | Nov 2024 |
| 918 | Baxter, D. B. Inc. | Midland, TX 79708 | Oil & Gas Operator | Nov 2024 |
| 919 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 920 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 921 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 922 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Nov 2024 |
| 923 | Bay Tan Operating, LP | Odessa, TX 79765 | Oil & Gas Operator | Nov 2024 |
| 924 | Bay-Tech Operating Co., Inc. | Tyler, TX 75713 | Oil & Gas Operator | Mar 2024 |
| 925 | Bayer, Arthur | Muenster, TX 76252 | Oil & Gas Operator | Nov 2016 |
| 926 | Bayer, J.H. & Sons Inc | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2008 |
| 927 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2024 |
| 928 | Bayou Bend Petroleum Corporation | Austin, TX 78734 | Oil & Gas Operator | Sep 2006 |
| 929 | Bayou Oil Co. | Los Angeles, CA 90036 | Gas Operator | Nov 1996 |
| 930 | Bayou Operating Company, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2024 |
| 931 | Bayridge Texas Corp. | Big Spring, TX 79720 | Oil & Gas Operator | Jul 2004 |
| 932 | Bayshore Exploration LLC | Bellville, TX 77418 | Oil & Gas Operator | Dec 2016 |
| 933 | Bayshore Operating Co. | Ingleside, TX 78362 | Oil & Gas Operator | Mar 2009 |
| 934 | Bayshore Operating Corp., L.L.C. | Luling, TX 78648 | Oil Operator | Nov 2024 |
| 935 | Bayswater Operating Company LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2024 |
| 936 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 937 | Baytex Energy USA, Inc. | Houston, TX 77084 | Oil & Gas Operator | Nov 2024 |
| 938 | Baytex USA Development, LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2017 |
| 939 | Baytide Petr. Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 1997 |
| 940 | BB & D Exploration, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jan 2009 |
| 941 | BB-Southtex, LLC | San Antonio, TX 78259 | Oil & Gas Operator | Nov 2024 |
| 942 | BBC Production Company Inc. | Pottstown, PA 19464 | Oil Operator | Nov 2024 |
| 943 | BBC&D Enterprises, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2024 |
| 944 | Bbe Production Co. | Haskell, TX 79521 | Oil & Gas Operator | May 1997 |
| 945 | Bbe Production, LLC | Haskell, TX 79521 | Oil Operator | Nov 2024 |
| 946 | BBHP Oilfield Services LLC | Kilgore, TX 75662 | Oil Operator | Nov 2024 |
| 947 | BBL Operating Company LLC | Colleyville, TX 76034 | Oil & Gas Operator | Nov 2024 |
| 948 | BBS Oil Field Services Inc | Post, TX 79356 | Oil & Gas Operator | Nov 2024 |
| 949 | BBX Operating, L.L.C. | Austin, TX 78738 | Oil & Gas Operator | Nov 2024 |
| 950 | BC Exploration, LLC | Dallas, TX 75201 | Gas Operator | Nov 2024 |
| 951 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Nov 2024 |
| 952 | Bce-Mach II LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2024 |
| 953 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2024 |
| 954 | BCL Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Nov 2024 |
| 955 | BCM Energy Operating LLC | Lafayette, LA 70503 | Oil Operator | Jun 2015 |
| 956 | BCP Resources, LLC | Midland, TX 79705 | Oil & Gas Operator | Nov 2024 |
| 957 | Bde Energy Solutions LLC | Bedford, TX 76021 | Oil Operator | Nov 2024 |
| 958 | BDH Technology, Inc. | Conroe, TX 77304 | Oil & Gas Operator | Mar 2001 |
| 959 | Bdi Operating, LLC | Addison, TX 75001 | Oil Operator | Nov 2024 |
| 960 | BDR Energy Corporation | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Mar 1998 |
| 961 | Be Anadarko II, LLC | Austin, TX 78731 | Oil & Gas Operator | Nov 2024 |
| 962 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Nov 2024 |
| 963 | Beach Oil & Gas, Inc. | Lubbock, TX 79464 | Oil & Gas Operator | Nov 2024 |
| 964 | Beachtex Oil Company, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Nov 2024 |
| 965 | Beacon E&P Company, LLC | Denver, CO 80202 | Gas Operator | Feb 2016 |
| 966 | Beacon Energy Corporation (1) | Fredericksbrg, TX 78624 | Gas Operator | Sep 2002 |
| 967 | Beacon Petroleum MGMT Inc | Dallas, TX 75244 | Oil & Gas Operator | Oct 2014 |
| 968 | Beaird, R.A. Oil Operating Co. | Merkel, TX 79536 | Oil & Gas Operator | Nov 2024 |
| 969 | Bean & Bean Inc. | Houston, TX 77269 | Oil & Gas Operator | Jan 2023 |
| 970 | Bear Creek Energy, LLC | Sealy, TX 77474 | Oil Operator | Nov 2024 |
| 971 | Bear Creek Operating | Pampa, TX 79066 | Oil & Gas Operator | Nov 2024 |
| 972 | Bear Minerals LLC | Dallas, TX 75214 | Oil Operator | Jul 2024 |
| 973 | Bear Of Texas, Inc. | Grand Rapids, MI 49546 | Oil & Gas Operator | Mar 2008 |
| 974 | Bear Springs Oil & Gas, L.L.C | Gorman, TX 76454 | Oil & Gas Operator | Nov 2024 |
| 975 | Bearco Operating Co., Inc. | Olney, TX 76374 | Oil & Gas Operator | May 2019 |
| 976 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 977 | Beard Oil Company, LLC | Edna, TX 77957 | Oil & Gas Operator | Nov 2024 |
| 978 | Beasley Oil Company | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 2020 |
| 979 | Beasley Well Service Inc. | Tuscola, TX 79562 | Oil Operator | Nov 2024 |
| 980 | Beasley, Kenneth | Abilene, TX 79602 | Oil & Gas Operator | Nov 2024 |
| 981 | Beaver Oil & Gas Operating, LLC | Austin, TX 78746 | Oil & Gas Operator | Nov 2024 |
| 982 | Beaver Oil Company Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2020 |
| 983 | Bebco Parts Industries, Inc. | Monahans, TX 79756 | Oil & Gas Operator | Nov 2024 |
| 984 | Bechel Oil LLC | Maiden Rock, WI 54750 | Oil Operator | Feb 2022 |
| 985 | Bechtel Energy Resources Corp. | Houston, TX 77210 | Oil & Gas Operator | Jun 1996 |
| 986 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Aug 2024 |
| 987 | Becker, Clyde M. | Ponca City, OK 74601 | Oil & Gas Operator | Oct 2009 |
| 988 | Beckham Resources, Inc. | Houston, TX 77010 | Oil & Gas Operator | Mar 2011 |
| 989 | Beckville Disp Operations, LLC | Henderson, TX 75652 | Oil Operator | Nov 2024 |
| 990 | Bedford Oil & Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Nov 2024 |
| 991 | Bedrock Production, LLC | Katy, TX 77449 | Oil & Gas Operator | Nov 2024 |
| 992 | Bee-Jay Energy | Whiteface, TX 79379 | Oil & Gas Operator | Nov 1993 |
| 993 | Bee-Jay Petro, Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 2024 |
| 994 | Beech Resources LLC | Williamsport, PA 17701-6209 | Gas Operator | Sep 2024 |
| 995 | Beeda Oil Company | Merkel, TX 79536 | Oil & Gas Operator | Nov 2024 |
| 996 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 997 | Beekay Company | Dallas, TX 75219 | Oil & Gas Operator | Dec 1996 |
| 998 | Beene, Tommy H. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2005 |
| 999 | Beeson Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Nov 2024 |
| 1000 | Beisch & Hanna | Windthorst, TX 76389 | Oil & Gas Operator | Nov 2024 |