| 2301 | Buffalo Resources Co. | Rosenberg, TX 77471 | Oil & Gas Operator | Sep 2000 |
| 2302 | Buffalo Resources LLC | Woodward, OK 73801 | Oil & Gas Operator | Aug 2025 |
| 2303 | Buffalo Tournament Club, Inc. | Lancaster, NY 14086 | Gas Operator | Dec 2025 |
| 2304 | Buffalo Xxii Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2026 |
| 2305 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 2026 |
| 2306 | Bugington Energy, LLC | Odessa, TX 79768 | Oil & Gas Operator | Apr 2018 |
| 2307 | Bulinski Richard | Wetumka, OK 74883-0056 | Oil & Gas Operator | Jan 2004 |
| 2308 | Bull Dog Oil | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2025 |
| 2309 | Bull Oil Company, LLC | Livingston, TX 77351 | Oil & Gas Operator | Sep 2026 |
| 2310 | Bull Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Sep 2026 |
| 2311 | Bull Run Energy LLC | Warren, PA 16365-2215 | Oil & Gas Operator | Dec 2017 |
| 2312 | Bull Run Resources LLC | Warren, PA 16365 | Oil & Gas Operator | Dec 2025 |
| 2313 | Bullard Bros Production Co Inc | Comanche, OK 73529-0637 | Oil Operator | Mar 2015 |
| 2314 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 2315 | Bullard Oil Company LLC | Tuttle, OK 73089-8375 | Oil Operator | May 2026 |
| 2316 | Bullards Oilfield Service Inc | Ardmore, OK 73401-3646 | Oil Operator | Sep 1999 |
| 2317 | Bulldog Disposal Inc | Laverne, OK 73848 | Oil Operator | Apr 2026 |
| 2318 | Bulldog Exploration, LP | Houston, TX 77090 | Oil & Gas Operator | Apr 2011 |
| 2319 | Bulldog Operating Company | Artesia, NM 88211 | Oil & Gas Operator | Sep 2026 |
| 2320 | Bulldog Operating Company LLC | Shreveport, LA 71101-3680 | Oil & Gas Operator | Jun 2015 |
| 2321 | Bulldog Production Inc | Seminole, OK 74868 | Oil Operator | Nov 2024 |
| 2322 | Bullet Development, LLC | Abilene, TX 79601 | Oil & Gas Operator | Sep 2026 |
| 2323 | Bullin, R. E. Operating Inc. | Levelland, TX 79336 | Oil & Gas Operator | Sep 2026 |
| 2324 | Bullin, R.E. | Levelland, TX 79336 | Oil & Gas Operator | May 1994 |
| 2325 | Bullitt Energy LLC | Peaster, TX 76485-5317 | Oil & Gas Operator | Dec 2025 |
| 2326 | Bullitt Oil | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2016 |
| 2327 | Bullock A O | Casper, WY 82604 | Oil & Gas Operator | Apr 2026 |
| 2328 | Bullock Gladys C Trust | | Oil & Gas Operator | Dec 1999 |
| 2329 | Bullseye Oilfield Service | Cunningham, KS 67035 | Oil Operator | Apr 2023 |
| 2330 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | May 2026 |
| 2331 | Bullseye Petrole | | Oil Operator | Oct 1992 |
| 2332 | Bullseye Petroleum, Inc. | Wichita, KS 67230 | Oil Operator | Apr 2026 |
| 2333 | Bulwark Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 2334 | Bummer Bruce L | Casper, WY 82602 | Oil & Gas Operator | Dec 2007 |
| 2335 | Bump, Derek M. And Karrie L. | Batavia, NY 14020 | Gas Operator | Dec 2025 |
| 2336 | Bunker Oil Corp. | | Oil & Gas Operator | Dec 1994 |
| 2337 | Bunkirt J J Oil & Gas Corporation | Powell, WY 82435 | Oil & Gas Operator | Jul 2026 |
| 2338 | Buntin Ronnie | Maramec, OK 74045-4500 | Oil & Gas Operator | Sep 2019 |
| 2339 | Bunyard Jerry L | Stroud, OK 74079 | Oil & Gas Operator | Oct 2024 |
| 2340 | Buonadonna Oil LLC | Luling, TX 78648 | Oil Operator | Sep 2026 |
| 2341 | Burch Exploratio | | Oil Operator | Mar 1991 |
| 2342 | Burchett Natural Gas, Inc. | Williamson, WV 25661 | Gas Operator | Dec 2016 |
| 2343 | Burchfield Margaret S Dba Nu-Hope Oil Company | Earlsboro, OK 74840 | Oil & Gas Operator | May 2026 |
| 2344 | Burdett, Alfred | Sedan, KS 67361 | Oil Operator | Aug 2008 |
| 2345 | Burdette & Wilma A Sedler | Girard, PA 16417-9102 | Gas Operator | Dec 2014 |
| 2346 | Burdette Robert S | Pomeroy, OH 45769 | Oil Operator | Dec 2025 |
| 2347 | Burdette, L W Etal LLC | Parkersburg, WV 261021485 | Oil & Gas Operator | Dec 2021 |
| 2348 | Burdick, Jeffery H | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2025 |
| 2349 | Burgard, Harold H. | Clymer, NY 14724 | Gas Operator | Dec 2025 |
| 2350 | Burger, F.W. Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 2351 | Burger, Ken | Pampa, TX 79065 | Oil & Gas Operator | Sep 2026 |
| 2352 | Burgess D M Jr And Hall H E And Stinson D E | | Oil Operator | May 2000 |
| 2353 | Burgess Energy, Inc. | South Bend, TX 76481 | Oil & Gas Operator | Sep 2026 |
| 2354 | Burgess Hall Stinson Inc | | Oil Operator | Dec 2009 |
| 2355 | Burgess, Sim E. | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 2356 | Burgess, W. E. | Fort Worth, TX 76147 | Oil & Gas Operator | Sep 2026 |
| 2357 | Burgly Gas & Oil Co Inc | Apollo, PA 15613-0015 | Gas Operator | Dec 2025 |
| 2358 | Burgundy Oil & Gas Of N M Inc | Midland, TX 79701 | Oil & Gas Operator | Jun 2026 |
| 2359 | Burgundy Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2026 |
| 2360 | Buried Hills Prod. Co., Inc. | Midvale, UT 84047 | Oil Operator | Dec 2006 |
| 2361 | Burk George E | Mannford, OK 74044-0593 | Oil & Gas Operator | Oct 2015 |
| 2362 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2026 |
| 2363 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 2364 | Burk-Gunn Oil Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 2365 | Burkan Oil Company | Tulsa, OK 74137 | Oil & Gas Operator | Dec 1995 |
| 2366 | Burkard Petroleum Company | Houston, TX 77056 | Oil & Gas Operator | May 2003 |
| 2367 | Burke Michael | Coolsville, OH 45723 | Oil & Gas Operator | Dec 2025 |
| 2368 | Burke, Harry Petroleum | Houston, TX 77080 | Oil & Gas Operator | Nov 2024 |
| 2369 | Burkett Drilling | Sunray, TX 79086 | Oil Operator | Sep 2026 |
| 2370 | Burkett, J. D. | Archer City, TX 76351 | Oil & Gas Operator | Mar 1994 |
| 2371 | Burkhart Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2002 |
| 2372 | Burkholder, Terry L., Inc. | Pecos, TX 79772 | Oil & Gas Operator | Mar 2002 |
| 2373 | Burkland William S | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2010 |
| 2374 | Burleson Oil Company | Burkburnett, TX 76354 | Oil Operator | Sep 2026 |
| 2375 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 2376 | Burleson Production LLC | Frederick, OK 73542 | Oil & Gas Operator | May 2026 |
| 2377 | Burleson, Jackie A. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2003 |
| 2378 | Burleson, Lewis B. Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2010 |
| 2379 | Burlingame Oil, LLC | Olean, NY 14760 | Oil & Gas Operator | Dec 2025 |
| 2380 | Burlington Oil Company | Ponca City, OK 74602-1304 | Oil & Gas Operator | May 2007 |
| 2381 | Burlington Res O & G Co-McCamey | Midland, TX 79702 | Oil Operator | Mar 2002 |
| 2382 | Burlington Res O & G Co-Midland | Houston, TX 77252 | Oil & Gas Operator | Mar 2020 |
| 2383 | Burlington Res O&G Co-Permian | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 2384 | Burlington Res Offshore Inc | | Oil & Gas Operator | Oct 2002 |
| 2385 | Burlington Res Oil & Gas Co | | Oil & Gas Operator | Dec 2000 |
| 2386 | Burlington Res Oil & Gas LP | | Oil & Gas Operator | Mar 2013 |
| 2387 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 2388 | Burlington Resources Oil & Gas Company L | Gillette, WY 82718 | Oil & Gas Operator | Jan 2022 |
| 2389 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Sep 2026 |
| 2390 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 2391 | Burmaster, Gary | Sheridan, NY 14135 | Gas Operator | Dec 2025 |
| 2392 | Burness, William Steele Jr | Glasgow, KY 42142 | Oil Operator | Dec 2024 |
| 2393 | Burnett Corp. | Amarillo, TX 79105 | Oil & Gas Operator | May 1998 |
| 2394 | Burnett Corporat | | Oil & Gas Operator | Oct 1993 |
| 2395 | Burnett Energy Inc. | | Oil & Gas Operator | Jun 2026 |
| 2396 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2026 |
| 2397 | Burnham & Browning DRLG Co. | | Oil Operator | Oct 1990 |
| 2398 | Burns Eugene | Davis, OK 73030-3112 | Oil Operator | Mar 2006 |
| 2399 | Burns Oil & Gas Expl. | | Oil & Gas Operator | Jan 1985 |
| 2400 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |