| 3101 | Blanco Oil Co. | San Antonio, TX 78230 | Oil & Gas Operator | Feb 2004 |
| 3102 | Blanco Oil Co., Etal | | Oil Operator | Aug 1985 |
| 3103 | Blanford, Phillip | Sebree, KY 42455 | Oil Operator | Dec 2023 |
| 3104 | Blanke, Richard L. | Pavilion, NY 14525 | Gas Operator | Dec 2025 |
| 3105 | Blanton, James M. | Frankfort, KY 40621 | Gas Operator | Dec 2021 |
| 3106 | Blauser Energy Corporation | Marietta, OH 45750-6964 | Oil & Gas Operator | Dec 2018 |
| 3107 | Blaze Oil & Gas Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 3108 | Blazer Energy Corp. | Alexandria, VA 22314 | Oil & Gas Operator | Dec 2014 |
| 3109 | Blazer Resources, Inc. | Leesburg, TX 75451 | Oil & Gas Operator | Sep 2026 |
| 3110 | Blazer, John A. | Oak Grove, AR 72660 | Oil Operator | Oct 1995 |
| 3111 | BLB Inc | Kingfisher, OK 73750 | Oil & Gas Operator | May 2026 |
| 3112 | Bledsco, Inc. | Holliday, TX 76366 | Oil Operator | Feb 2010 |
| 3113 | Bledsoe Partners, Inc. | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 1995 |
| 3114 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 3115 | Bledsoe, R.K. Trust Oil Operator | Jourdanton, TX 78026 | Oil & Gas Operator | Sep 2026 |
| 3116 | Blessed Operating LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2026 |
| 3117 | Blessing Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Sep 2026 |
| 3118 | Blevins Production LLC | Jacksboro, TX 76458 | Oil Operator | Sep 2026 |
| 3119 | Bligh Petroleum, Inc. | | Oil & Gas Operator | Jun 2004 |
| 3120 | Bliss Pet Corporation | Hobbs, NM BAD ADDR | Gas Operator | Nov 1995 |
| 3121 | BLM Black Gold Properties, LTD. | Decatur, TX 76234 | Oil & Gas Operator | Sep 2026 |
| 3122 | Block "T" Petroleum, Inc. | Tyler, TX 75707 | Oil & Gas Operator | Sep 2026 |
| 3123 | Block T Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 3124 | Blocker Exploration Company | | Oil & Gas Operator | Apr 1983 |
| 3125 | Bloomer & Associates, Inc. | Lago VIsta, TX 78645 | Oil & Gas Operator | Jul 2002 |
| 3126 | Bloomer Well Ser | | Oil Operator | Mar 1995 |
| 3127 | Bloomer Well Service | | Oil Operator | Dec 2009 |
| 3128 | Bloomer, Don C. And Bessie L. Liv. Trust | Rantoul, KS 66079 | Oil Operator | Dec 2025 |
| 3129 | Bloomfield Partners II LLC | | Oil & Gas Operator | Dec 2005 |
| 3130 | Bloomingdale Oil LLC | | Oil Operator | Dec 2025 |
| 3131 | Bloxom, John Tom | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2007 |
| 3132 | BLR Energy LLC | Pawhuska, OK 74056 | Oil Operator | May 2026 |
| 3133 | BLS Oil & Gas LLC | Dubois, PA 15801-0039 | Oil & Gas Operator | Dec 2025 |
| 3134 | BLS Production Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2026 |
| 3135 | BLS Resources, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2001 |
| 3136 | Blu Oil Inc | Fairlawn, OH 44334 | Oil & Gas Operator | Dec 2024 |
| 3137 | Blubaugh Charles | | Oil Operator | Feb 1995 |
| 3138 | Blubaugh David | Danville, OH 43014 | Oil & Gas Operator | Dec 2007 |
| 3139 | Blubaugh Marvin C | Tonkawa, OK 74653-4739 | Oil & Gas Operator | Nov 2014 |
| 3140 | Blubaugh Ronald D | Tonkawa, OK 74653-0066 | Oil & Gas Operator | Sep 2014 |
| 3141 | Bluco Production Co., Inc. | Austin, TX 78716 | Oil & Gas Operator | Sep 2026 |
| 3142 | Blue Arrow Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Sep 2026 |
| 3143 | Blue Bay Oil & Gas, L L C | | Gas Operator | Jan 2018 |
| 3144 | Blue Bear Energy LLC | Coalgate, OK 74538-3898 | Gas Operator | Jun 2026 |
| 3145 | Blue Bison Operating LLC | Chickasha, OK 73018 | Oil & Gas Operator | May 2026 |
| 3146 | Blue Cedar Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Jun 2026 |
| 3147 | Blue Chip Oil Inc | | Oil & Gas Operator | Jun 2026 |
| 3148 | Blue Creek Gas Co. | | Oil & Gas Operator | Jun 2014 |
| 3149 | Blue Creek Inc | Fort Worth, TX 76181 | Oil & Gas Operator | Jul 2002 |
| 3150 | Blue Creek Resources, Inc. | | Oil & Gas Operator | May 1990 |
| 3151 | Blue Darter Energy, LLC | Sunnyvale, TX 75182 | Oil & Gas Operator | Aug 2019 |
| 3152 | Blue Devil Exploration LLC | Tulsa, OK 74103-4217 | Oil & Gas Operator | Jan 2024 |
| 3153 | Blue Diamond Drilling, Inc. | | Oil Operator | Nov 1995 |
| 3154 | Blue Diamond Holdings, LLC | Wellsville, KS 66092 | Oil Operator | Dec 2009 |
| 3155 | Blue Diamond Mountain, LLC | Marble Falls, TX 78654 | Oil Operator | Sep 2026 |
| 3156 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jun 2026 |
| 3157 | Blue Dome Operating, LLC | Tulsa, OK 74119 | Gas Operator | Apr 2026 |
| 3158 | Blue Duck Corporation | Mont Belvieu, TX 77580 | Oil & Gas Operator | Sep 2011 |
| 3159 | Blue Energy LLC | Scottsdale, AZ 85250 | Oil & Gas Operator | Dec 2024 |
| 3160 | Blue Flame Energy Corp | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2024 |
| 3161 | Blue Goose Drill | | Oil Operator | Aug 1991 |
| 3162 | Blue Goose Drilling Company, Inc. | Great Bend, KS 67530 | Oil Operator | Apr 2026 |
| 3163 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | May 2026 |
| 3164 | Blue Group Operating, Inc. | Spencer, WV 25276 | Oil & Gas Operator | Nov 2021 |
| 3165 | Blue Jay Operating, LLC | Fort Worth, TX 76107 | Gas Operator | Dec 2009 |
| 3166 | Blue Jay Petroleum, LLC | Whitesville, KY 42378 | Oil Operator | Dec 2024 |
| 3167 | Blue Lake Gas Storage Co | | Oil & Gas Operator | Oct 2016 |
| 3168 | Blue Marble Resources Op, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2019 |
| 3169 | Blue Mill Farms, Inc. | | Oil & Gas Operator | Apr 1992 |
| 3170 | Blue Mountain Company, Inc. | Wichita, KS 67212 | Oil Operator | Feb 1999 |
| 3171 | Blue Oil, Inc. | Burnet, TX 78611 | Oil & Gas Operator | Sep 2026 |
| 3172 | Blue Owl Energy LLC | Canada, 00100 | Oil Operator | Sep 2026 |
| 3173 | Blue Quail Oil & Gas Inc | Yukon, OK 73099 | Oil & Gas Operator | Dec 2004 |
| 3174 | Blue Quail Oil Co. | Midland, TX 79706 | Oil & Gas Operator | Sep 2026 |
| 3175 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 3176 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 3177 | Blue Ridge Operating Company,Inc | Ashland, OR 97520 | Oil & Gas Operator | Oct 1998 |
| 3178 | Blue Ridge Operating LLC | Willis, TX 77378 | Oil Operator | Sep 2026 |
| 3179 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 3180 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Sep 2026 |
| 3181 | Blue Ruby Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Nov 2020 |
| 3182 | Blue Sky Investments LLC | Harper, KS 67058 | Oil Operator | Dec 2009 |
| 3183 | Blue Sky NM, Inc. | Houston, TX 77024 | Oil Operator | Oct 2017 |
| 3184 | Blue Spruce Operating LLC | Pinedale, WY 82941 | Oil & Gas Operator | Jun 2026 |
| 3185 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Sep 2026 |
| 3186 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Sep 2026 |
| 3187 | Blue Star Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 3188 | Blue Steel Investments, LLC | Edmond, OK 73013 | Oil Operator | Dec 2019 |
| 3189 | Blue Tip Castlegate, Inc | Erie, KS 66733 | Gas Operator | Jun 2016 |
| 3190 | Blue Tip Energy Wyoming Inc | Houston, TX 77284 | Oil Operator | Jun 2016 |
| 3191 | Blue Top Crude Oil Co., Inc. | Farlington, KS 66734 | Oil Operator | Mar 2026 |
| 3192 | Blue Top Energy LLC | Westport, CT 06880 | Oil Operator | Dec 2019 |
| 3193 | Blue Valley Petroleum, LTD. | | Oil Operator | Jun 1991 |
| 3194 | Blue Water Resources LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2026 |
| 3195 | Blue Water Solutions LLC | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Jun 2026 |
| 3196 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2026 |
| 3197 | Bluebird Energy, LLC | Billings, MT 59102 | Oil Operator | Jun 2026 |
| 3198 | Bluebird Production, Inc. | Great Bend, KS 67530 | Oil Operator | Nov 2011 |
| 3199 | Bluebonnet Energy Corporation | Englewood, CO 80112 | Oil & Gas Operator | Sep 2015 |
| 3200 | Bluebonnet Exploration Company | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2018 |