| 2301 | Basal Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Dec 2025 |
| 2302 | Base Petroleum | Houston, TX 77096 | Oil & Gas Operator | Jul 1994 |
| 2303 | Base Petroleum, Inc. | South Charleston, WV 25309-0000 | Oil & Gas Operator | Dec 2021 |
| 2304 | Baseline Oil & Gas Corp. | Houston, TX 77267 | Oil & Gas Operator | Oct 2010 |
| 2305 | Baseline Operating, LLC | Edmond, OK 73013-0000 | Oil & Gas Operator | Oct 2025 |
| 2306 | Basf Corporation | Houston, TX 77027 | Oil & Gas Operator | Nov 1992 |
| 2307 | Basgall Oil LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 2308 | Basic Earth Science Sys, Inc | | Oil Operator | May 1987 |
| 2309 | Basic Earth Science Systems, Inc. | Austin, TX 78714 | Oil & Gas Operator | Apr 2010 |
| 2310 | Basic Energy & Affil Res. Inc. | | Oil & Gas Operator | May 2000 |
| 2311 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Dec 2025 |
| 2312 | Basin Energy, Inc | | Oil Operator | Dec 2017 |
| 2313 | Basin Fuels LTD | Farmington, NM 87499 | Oil & Gas Operator | Sep 1996 |
| 2314 | Basin Minerals Inc | Farmington, NM 87402 | Oil & Gas Operator | Mar 2005 |
| 2315 | Basin Minerals LTD | Farmington, NM 87402 | Oil & Gas Operator | Feb 2005 |
| 2316 | Basin Minerals Operating Company | Dripping Springs, TX 78620 | Oil & Gas Operator | Oct 2017 |
| 2317 | Basin Oil & Gas Operating LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2025 |
| 2318 | Basin Operating Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 2319 | Basin Operating Services II LLC | Oklahoma City, OK 73106-5615 | Oil & Gas Operator | Oct 2025 |
| 2320 | Basin Operating Services LLC | Oklahoma City, OK 73106-5615 | Oil & Gas Operator | Oct 2025 |
| 2321 | Basin Petroleum, Inc. | | Oil & Gas Operator | Jul 1995 |
| 2322 | Basin Petroleum, LLC | | Oil Operator | Dec 2017 |
| 2323 | Basin Resources Corporation | Fair Oaks Ranch, TX 78015 | Oil Operator | May 2013 |
| 2324 | Basin Well Service Of Odessa,Inc | Odessa, TX 79768 | Oil & Gas Operator | Dec 2025 |
| 2325 | Basinski, Gerald S. | Lancaster, NY 14086 | Gas Operator | Dec 2024 |
| 2326 | Basis Resources Group LLC | Oklahoma City, OK 73112 | Oil & Gas Operator | Jun 2025 |
| 2327 | Bass Energy Co Inc | Richfield, OH 44286 | Oil & Gas Operator | Dec 2024 |
| 2328 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 2329 | Bass Operating Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 1999 |
| 2330 | Bass Petroleum | Austin, TX 78720 | Oil & Gas Operator | Aug 2004 |
| 2331 | Bass Petroleum Inc | Austin, TX 78716 | Oil & Gas Operator | Dec 2025 |
| 2332 | Bass-Franks | | Oil & Gas Operator | Jun 1997 |
| 2333 | Bastrop Energy Group | San Antonio, TX 78231 | Oil & Gas Operator | Dec 2025 |
| 2334 | Bataa Oil Inc | Arvada, CO 80005 | Oil & Gas Operator | Oct 2025 |
| 2335 | Batco Oil Company | Edmond, OK 73083 | Oil & Gas Operator | Feb 2002 |
| 2336 | Bateman Frank | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1995 |
| 2337 | Bateman'S Bay Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Oct 2025 |
| 2338 | Bates Creek Oil | | Oil Operator | Dec 1986 |
| 2339 | Bates Lew Jr | Lewis Center, OH 43035 | Oil & Gas Operator | Dec 2002 |
| 2340 | Bates Oil | | Oil Operator | Feb 2020 |
| 2341 | Bates Oil & Gas Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1992 |
| 2342 | Bates* James Edward | | Oil & Gas Operator | Jul 2017 |
| 2343 | Bateson Donald Jr | | Oil Operator | Dec 2024 |
| 2344 | Batie, Patricia | Odessa, TX 79764 | Oil Operator | Nov 2024 |
| 2345 | Batista Mark F | Kane, PA 16735 | Oil Operator | Dec 2024 |
| 2346 | Batista Oil SVC | Kane, PA 16735-9003 | Oil Operator | Dec 2008 |
| 2347 | Batson Ent Ventures L.L.C. | Batson, TX 77519 | Oil Operator | Dec 2025 |
| 2348 | Battle Creek Gas Co | | Gas Operator | Mar 1996 |
| 2349 | Battlecat Oil & Gas, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2017 |
| 2350 | Battlecat Operating Company, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2019 |
| 2351 | Battles Energy Corporation | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 2352 | Batton Oil & Gas, LLC | Spearman, TX 79081 | Oil & Gas Operator | Dec 2025 |
| 2353 | Bauer Bros | | Oil Operator | Sep 2025 |
| 2354 | Bauer Oil Investment LLC | Cleveland, MO 64734 | Oil Operator | Jun 2025 |
| 2355 | Bauer, James E. | Wyoming, NY 14591 | Gas Operator | Dec 2024 |
| 2356 | Baugh Allan L | Drumright, OK 74030-5914 | Oil & Gas Operator | Oct 2025 |
| 2357 | Baulch Enterprises | Ada, OK 74820-8623 | Oil Operator | Dec 1999 |
| 2358 | Baumann Resources Inc | | Oil Operator | Jul 1999 |
| 2359 | Baxter And Associates Inc | Ada, OK 74820 | Oil & Gas Operator | Aug 2025 |
| 2360 | Baxter Casing Pullers, Inc. | Midland, TX 79703 | Gas Operator | Dec 2025 |
| 2361 | Baxter Drill. & Explor., Inc. | | Oil Operator | Jun 1997 |
| 2362 | Baxter Randall H | Tulsa, OK 74136-0908 | Oil & Gas Operator | Apr 2020 |
| 2363 | Baxter, D. B. Inc. | Midland, TX 79708 | Oil & Gas Operator | Dec 2025 |
| 2364 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 2365 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
| 2366 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
| 2367 | Bay City Minerals, Inc. | | Gas Operator | May 1990 |
| 2368 | Bay Coquille, Inc. | | Oil & Gas Operator | Jun 2023 |
| 2369 | Bay Gas, LLC | | Oil & Gas Operator | Sep 2025 |
| 2370 | Bay Oaks Resources LLC | Fort Smith, AR 72913-3129 | Gas Operator | Feb 2018 |
| 2371 | Bay Petroleum Corporation | Lakewood, FL 34202-2852 | Oil & Gas Operator | Mar 2015 |
| 2372 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 2025 |
| 2373 | Bay State Energy (Rob'T P. Evans) | | Oil & Gas Operator | Jul 2002 |
| 2374 | Bay Tan Operating, LP | Odessa, TX 79765 | Oil & Gas Operator | Dec 2025 |
| 2375 | Bay-Tech Operating Co., Inc. | Tyler, TX 75713 | Oil & Gas Operator | Mar 2024 |
| 2376 | Bayer Brokerage Company, Inc. | | Oil & Gas Operator | Dec 2021 |
| 2377 | Bayer, Arthur | Muenster, TX 76252 | Oil & Gas Operator | Nov 2016 |
| 2378 | Bayer, J.H. & Sons Inc | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2008 |
| 2379 | Bayles & White | | Gas Operator | Dec 2013 |
| 2380 | Bayless Producer LLC* Robert L | | Oil & Gas Operator | Sep 2025 |
| 2381 | Bayless Robert L Producer | Denver, CO 80293 | Oil & Gas Operator | Sep 2003 |
| 2382 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2025 |
| 2383 | Bayonet Petroleum LLC | Moran, KS 66755 | Oil Operator | Jun 2025 |
| 2384 | Bayou Bend Petroleum Corporation | Austin, TX 78734 | Oil & Gas Operator | Sep 2006 |
| 2385 | Bayou Bouillon Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 2386 | Bayou Carencro Oil Co. Inc. | | Oil Operator | Apr 2022 |
| 2387 | Bayou Choctaw, Inc. | | Oil & Gas Operator | Jun 2004 |
| 2388 | Bayou Company, The | Refugio, TX 78377 | Oil & Gas Operator | Dec 2025 |
| 2389 | Bayou Couba Oil Company | | Oil & Gas Operator | May 2002 |
| 2390 | Bayou Desiard Corporation | | Gas Operator | Dec 2002 |
| 2391 | Bayou Drilling Fluids, Inc. | | Gas Operator | Jul 2020 |
| 2392 | Bayou Exploration, Inc. | | Oil & Gas Operator | Aug 1989 |
| 2393 | Bayou Gas Company Of Monroe La | | Gas Operator | Apr 2009 |
| 2394 | Bayou L'Ours Oil & Gas Co. | | Gas Operator | Mar 1988 |
| 2395 | Bayou Oil Co. | Los Angeles, CA 90036 | Gas Operator | Nov 1996 |
| 2396 | Bayou Oil LLC | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2025 |
| 2397 | Bayou Operating Company, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Dec 2025 |
| 2398 | Bayou Production Company, Inc. | | Oil & Gas Operator | Apr 1993 |
| 2399 | Bayou Resources Inc | Houston, TX 77056 | Oil & Gas Operator | Jan 2015 |
| 2400 | Bayou Resources, LLC | | Oil & Gas Operator | Dec 2024 |