| 2201 | Barton, Athol Oil , Inc. | Russell, KS 67665 | Oil Operator | Jul 2001 |
| 2202 | Bartram, I David | Lavalette, WV 25535 | Oil & Gas Operator | Dec 2024 |
| 2203 | Barts Oilfield Servi | | Oil Operator | Apr 2026 |
| 2204 | Baruch Foster Corporation | Oklahoma City, OK 73126-6770 | Oil & Gas Operator | Feb 2001 |
| 2205 | Baruch-Foster Co | | Oil Operator | Apr 1989 |
| 2206 | Bas Production, LLC | | Oil Operator | Nov 2019 |
| 2207 | Basa Resources, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Sep 2026 |
| 2208 | Basal Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Sep 2026 |
| 2209 | Base Petroleum | Houston, TX 77096 | Oil & Gas Operator | Jul 1994 |
| 2210 | Base Petroleum, Inc. | South Charleston, WV 253090000 | Oil & Gas Operator | Dec 2021 |
| 2211 | Baseline Oil & Gas Corp. | Houston, TX 77267 | Oil & Gas Operator | Oct 2010 |
| 2212 | Baseline Operating, LLC | Edmond, OK 73013-0000 | Oil & Gas Operator | May 2026 |
| 2213 | Basf Corporation | Houston, TX 77027 | Oil & Gas Operator | Nov 1992 |
| 2214 | Basgall Oil LLC | Hays, KS 67601 | Oil Operator | Apr 2026 |
| 2215 | Basic Earth Science Sys, Inc | | Oil Operator | May 1987 |
| 2216 | Basic Earth Science Systems, Inc. | Austin, TX 78714 | Oil & Gas Operator | Apr 2010 |
| 2217 | Basic Energy & Affil Res. Inc. | | Oil & Gas Operator | May 2000 |
| 2218 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Sep 2026 |
| 2219 | Basin Energy, Inc | | Oil Operator | Dec 2017 |
| 2220 | Basin Fuels LTD | Farmington, NM 87499 | Oil & Gas Operator | Sep 1996 |
| 2221 | Basin Minerals Inc | Farmington, NM 87402 | Oil & Gas Operator | Mar 2005 |
| 2222 | Basin Minerals LTD | Farmington, NM 87402 | Oil & Gas Operator | Feb 2005 |
| 2223 | Basin Minerals Operating Company | Dripping Springs, TX 78620 | Oil & Gas Operator | Oct 2017 |
| 2224 | Basin Oil & Gas Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Sep 2026 |
| 2225 | Basin Operating Inc. | Albany, TX 76430 | Oil & Gas Operator | Sep 2026 |
| 2226 | Basin Operating Services II LLC | Oklahoma City, OK 73106-5615 | Oil & Gas Operator | Jun 2026 |
| 2227 | Basin Operating Services LLC | Oklahoma City, OK 73106-5615 | Oil & Gas Operator | May 2026 |
| 2228 | Basin Petroleum, Inc. | | Oil & Gas Operator | Jul 1995 |
| 2229 | Basin Petroleum, LLC | | Oil Operator | Dec 2017 |
| 2230 | Basin Resources Corporation | Fair Oaks Ranch, TX 78015 | Oil Operator | May 2013 |
| 2231 | Basin Well Service Of Odessa,Inc | Odessa, TX 79768 | Oil & Gas Operator | Sep 2026 |
| 2232 | Basinski, Gerald S. | Lancaster, NY 14086 | Gas Operator | Dec 2025 |
| 2233 | Basis Resources Group LLC | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2026 |
| 2234 | Bass Energy Co Inc | Richfield, OH 44286 | Oil & Gas Operator | Dec 2025 |
| 2235 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 2236 | Bass Operating Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 1999 |
| 2237 | Bass Petroleum | Austin, TX 78720 | Oil & Gas Operator | Aug 2004 |
| 2238 | Bass Petroleum Inc | Austin, TX 78716 | Oil & Gas Operator | Sep 2026 |
| 2239 | Bass-Franks | | Oil & Gas Operator | Jun 1997 |
| 2240 | Bastrop Energy Group | San Antonio, TX 78231 | Oil & Gas Operator | Sep 2026 |
| 2241 | Bataa Oil Inc | Arvada, CO 80005 | Oil & Gas Operator | Jun 2026 |
| 2242 | Batco Oil Company | Edmond, OK 73083 | Oil & Gas Operator | Feb 2002 |
| 2243 | Bateman Frank | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1995 |
| 2244 | Bateman'S Bay Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2026 |
| 2245 | Bates Creek Oil | | Oil Operator | Dec 1986 |
| 2246 | Bates Lew Jr | Lewis Center, OH 43035 | Oil & Gas Operator | Dec 2002 |
| 2247 | Bates Oil | | Oil Operator | Feb 2020 |
| 2248 | Bates Oil & Gas Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1992 |
| 2249 | Bates* James Edward | | Oil & Gas Operator | Jul 2017 |
| 2250 | Bateson Donald Jr | | Oil Operator | Dec 2025 |
| 2251 | Batie, Patricia | Odessa, TX 79764 | Oil Operator | Nov 2024 |
| 2252 | Batista Mark F | Kane, PA 16735 | Oil Operator | Dec 2025 |
| 2253 | Batista Oil SVC | Kane, PA 16735-9003 | Oil Operator | Dec 2008 |
| 2254 | Batson Ent Ventures L.L.C. | Batson, TX 77519 | Oil Operator | Sep 2026 |
| 2255 | Battlecat Oil & Gas, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2017 |
| 2256 | Battlecat Operating Company, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2019 |
| 2257 | Battles Energy Corporation | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 2258 | Batton Oil & Gas, LLC | Spearman, TX 79081 | Oil & Gas Operator | Sep 2026 |
| 2259 | Bauer Bros | | Oil Operator | Jun 2026 |
| 2260 | Bauer Oil Investment LLC | Cleveland, MO 64734 | Oil Operator | Apr 2026 |
| 2261 | Bauer, James E. | Wyoming, NY 14591 | Gas Operator | Dec 2025 |
| 2262 | Baugh Allan L | Drumright, OK 74030-5914 | Oil & Gas Operator | Jun 2026 |
| 2263 | Baulch Enterprises | Ada, OK 74820-8623 | Oil Operator | Dec 1999 |
| 2264 | Baumann Resources Inc | | Oil Operator | Jul 1999 |
| 2265 | Baxter And Associates Inc | Ada, OK 74820 | Oil & Gas Operator | May 2026 |
| 2266 | Baxter Drill. & Explor., Inc. | | Oil Operator | Jun 1997 |
| 2267 | Baxter Randall H | Tulsa, OK 74136-0908 | Oil & Gas Operator | Apr 2020 |
| 2268 | Baxter, D. B. Inc. | Midland, TX 79708 | Oil & Gas Operator | Sep 2026 |
| 2269 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 2270 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 2271 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 2272 | Bay City Minerals, Inc. | | Gas Operator | May 1990 |
| 2273 | Bay Coquille, Inc. | | Oil & Gas Operator | Jun 2023 |
| 2274 | Bay Gas, LLC | | Oil & Gas Operator | Jun 2026 |
| 2275 | Bay Oaks Resources LLC | Fort Smith, AR 72913-3129 | Gas Operator | Feb 2018 |
| 2276 | Bay Petroleum Corporation | Lakewood, FL 34202-2852 | Oil & Gas Operator | Mar 2015 |
| 2277 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Sep 2026 |
| 2278 | Bay Tan Operating, LP | Odessa, TX 79765 | Oil & Gas Operator | Sep 2026 |
| 2279 | Bay-Tech Operating Co., Inc. | Tyler, TX 75713 | Oil & Gas Operator | Mar 2024 |
| 2280 | Bayer Brokerage Company, Inc. | | Oil & Gas Operator | Dec 2021 |
| 2281 | Bayer, Arthur | Muenster, TX 76252 | Oil & Gas Operator | Nov 2016 |
| 2282 | Bayer, J.H. & Sons Inc | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2008 |
| 2283 | Bayless Producer LLC* Robert L | | Oil & Gas Operator | May 2026 |
| 2284 | Bayless Robert L Producer | Denver, CO 80293 | Oil & Gas Operator | Sep 2003 |
| 2285 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Sep 2026 |
| 2286 | Bayonet Petroleum LLC | Moran, KS 66755 | Oil Operator | Apr 2026 |
| 2287 | Bayou Bend Petroleum Corporation | Austin, TX 78734 | Oil & Gas Operator | Sep 2006 |
| 2288 | Bayou Bouillon Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 2289 | Bayou Carencro Oil Co. Inc. | | Oil Operator | Apr 2022 |
| 2290 | Bayou Choctaw, Inc. | | Oil & Gas Operator | Jun 2004 |
| 2291 | Bayou Company, The | Refugio, TX 78377 | Oil & Gas Operator | Sep 2026 |
| 2292 | Bayou Couba Oil Company | | Oil & Gas Operator | May 2002 |
| 2293 | Bayou Drilling Fluids, Inc. | | Gas Operator | Jul 2020 |
| 2294 | Bayou Exploration, Inc. | | Oil & Gas Operator | Aug 1989 |
| 2295 | Bayou Gas Company Of Monroe La | | Gas Operator | Apr 2009 |
| 2296 | Bayou L'Ours Oil & Gas Co. | | Gas Operator | Mar 1988 |
| 2297 | Bayou Oil Co. | Los Angeles, CA 90036 | Gas Operator | Nov 1996 |
| 2298 | Bayou Oil LLC | Ardmore, OK 73401 | Oil & Gas Operator | May 2026 |
| 2299 | Bayou Operating Company, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Sep 2026 |
| 2300 | Bayou Production Company, Inc. | | Oil & Gas Operator | Apr 1993 |