| 2301 | Brunton Expl Co, Inc | Littleton, CO 80127 | Oil Operator | Dec 2023 |
| 2302 | Brush Country Energy, L.L.C. | Reno, NV 89503 | Oil & Gas Operator | Nov 1998 |
| 2303 | Brushy Creek Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Dec 2025 |
| 2304 | Bruxoil, Inc. | | Oil & Gas Operator | Sep 2025 |
| 2305 | Bryan Eugene W S | | Oil & Gas Operator | Nov 1995 |
| 2306 | Bryan Exploration Company | Panhandle, TX 79068 | Gas Operator | Aug 1993 |
| 2307 | Bryan, Dorothy J. | Canton, KS 67428 | Oil & Gas Operator | Nov 2000 |
| 2308 | Bryan, Paul L Mineral Trust | Daytona Beach Shores, FL 32118 | Gas Operator | Dec 2021 |
| 2309 | Bryant & Carr, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 1994 |
| 2310 | Bryant & White Oil Co. | Whiteface, TX 79379 | Oil & Gas Operator | Nov 2012 |
| 2311 | Bryant - Chase Energy Corp. | Tyler, TX 75701 | Oil & Gas Operator | Aug 2004 |
| 2312 | Bryant D G And Company | Midlothian, TX 76065-3628 | Oil & Gas Operator | Jul 2025 |
| 2313 | Bryant Expl And Prod Co Inc | Elk City, OK 73648-0827 | Oil & Gas Operator | Apr 2014 |
| 2314 | Bryant Investors, A General Partnership | Lyons, KS 67554 | Oil Operator | Oct 2009 |
| 2315 | Bryant Joe | Helena, OK 73741 | Oil & Gas Operator | Apr 1998 |
| 2316 | Bryant Oil | Levelland, TX 79336 | Oil & Gas Operator | Dec 2025 |
| 2317 | Bryant Oil & Gas Corporation | | Oil & Gas Operator | Mar 1987 |
| 2318 | Brymer Contracting Incorporated | Pleasanton, TX 78064 | Oil & Gas Operator | Dec 2025 |
| 2319 | Brymer, Jack Contr. Serv. | George West, TX 78022 | Oil Operator | Dec 2025 |
| 2320 | BS&W Solutions LLC | | Oil Operator | Jun 2014 |
| 2321 | Bsand Operating Co., LLC | Graham, TX 76450 | Oil Operator | Dec 2025 |
| 2322 | BSB Oil And Gas, LLC | | Oil & Gas Operator | Dec 2021 |
| 2323 | Bse Production Co. | Victoria, TX 77903 | Oil & Gas Operator | Dec 2025 |
| 2324 | Bsfi Western E & P, Inc. | | Oil & Gas Operator | Jun 2005 |
| 2325 | Bsi Operating, LLC | | Oil & Gas Operator | Dec 2019 |
| 2326 | Bso Inc | Cleveland, OK 74020 | Oil & Gas Operator | Oct 2025 |
| 2327 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
| 2328 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 2329 | Bta Operating | Edmond, OK 73083 | Oil & Gas Operator | May 2020 |
| 2330 | Bto Venture, Inc. | Wichita Falls, TX 76309 | Oil & Gas Operator | Nov 2012 |
| 2331 | Bubba Lynn Crude | San Marcos, TX 78666 | Oil Operator | Dec 2025 |
| 2332 | Bubenik, Ronnie, Inc. | Mineral Wells, TX 76067 | Oil & Gas Operator | Dec 2025 |
| 2333 | Buccaneer Alaskan Operations, LLC | | Oil & Gas Operator | Dec 2014 |
| 2334 | Buccaneer Operating LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 2335 | Buccaneer Petrol | | Oil Operator | Jan 1988 |
| 2336 | Buccaneer Petroleum Inc | Tonkawa, OK 74653-2513 | Oil & Gas Operator | Jan 2013 |
| 2337 | Buchanan Wayman W | San Antonio, TX 78212 | Oil & Gas Operator | Sep 1990 |
| 2338 | Buchanan, Billy R. | Coahoma, TX 79511 | Oil & Gas Operator | Dec 2025 |
| 2339 | Bucher Exploration L.L.C. | Buckhannon, WV 26201-0000 | Gas Operator | Dec 2021 |
| 2340 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 2341 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 2342 | Buck Creek Freight Inc | Lusk, WY 82225 | Oil Operator | Nov 2025 |
| 2343 | Buck Energy, Inc. | | Oil & Gas Operator | May 1996 |
| 2344 | Buck Enterprises LLC | Oklahoma City, OK 73150-6111 | Oil Operator | Oct 2025 |
| 2345 | Buck Exploration | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1991 |
| 2346 | Buck Management Co. L.L.C. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Dec 2025 |
| 2347 | Buck Paul J | | Oil & Gas Operator | Feb 1995 |
| 2348 | Buck Production Co LLC | Bristow, OK 74010 | Oil & Gas Operator | Sep 2023 |
| 2349 | Buck Production Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Dec 2025 |
| 2350 | Buck Wheat Resources, L.P. | Eastland, TX 76448 | Oil & Gas Operator | Dec 2025 |
| 2351 | Buck, George | Laredo, TX 78041 | Oil & Gas Operator | Aug 2003 |
| 2352 | Buck, Paul Jordan | Sedan, KS 67361 | Oil & Gas Operator | Sep 2025 |
| 2353 | Buckeye Corporat | | Oil Operator | Dec 1996 |
| 2354 | Buckeye Crude Expl Inc | Columbus, OH 43216-2671 | Oil & Gas Operator | Dec 1987 |
| 2355 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
| 2356 | Buckeye Energy Resources | Zanesville, OH 43702-1190 | Oil & Gas Operator | Dec 1995 |
| 2357 | Buckeye Franklin Co | Zoarville, OH 44656 | Oil & Gas Operator | Dec 1996 |
| 2358 | Buckeye Oil Producing Co. | Wooster, OH 44691-129 | Oil & Gas Operator | Dec 2024 |
| 2359 | Buckeye Petroleum Company, Inc | | Oil & Gas Operator | Apr 1983 |
| 2360 | Buckeye West LLC | Wooster, OH 44691 | Oil Operator | Sep 2025 |
| 2361 | Buckhorn Oilfield Service Inc | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 2362 | Buckhorn Operating LLC | MT Enterprise, TX 75681 | Oil & Gas Operator | Dec 2025 |
| 2363 | Buckhorn Petroleum | | Oil & Gas Operator | Dec 1983 |
| 2364 | Buckingham Oil Company | Longview, TX 75606 | Oil & Gas Operator | Aug 2004 |
| 2365 | Buckley, Michael T. | Sweetgrass, MT 59484 | Oil & Gas Operator | Jul 2025 |
| 2366 | Bucky LTD | | Oil Operator | Dec 2020 |
| 2367 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Dec 2025 |
| 2368 | Bud'S Drilling Company, Inc. | Brookshire, TX 77423 | Oil & Gas Operator | Dec 2025 |
| 2369 | Bud'S Pumping Service Inc. | | Oil Operator | Dec 1997 |
| 2370 | Buddie Sallee | Humboldt, KS 66748 | Oil Operator | Dec 2002 |
| 2371 | Buds Oil Company | Sperry, OK 74073 | Oil & Gas Operator | Dec 2025 |
| 2372 | Buffalo Oil & Gas LLC | Oxford, KS 67119 | Oil & Gas Operator | Sep 2025 |
| 2373 | Buffalo Oil Corp. | Cotulla, TX 78014 | Oil & Gas Operator | Dec 2025 |
| 2374 | Buffalo Operating Corporation | Westminister, CO 80234 | Oil & Gas Operator | Dec 2001 |
| 2375 | Buffalo Properties LLC | | Oil & Gas Operator | Dec 2003 |
| 2376 | Buffalo Raider Consulting, LLC | Amarillo, TX 79119 | Oil & Gas Operator | Dec 2025 |
| 2377 | Buffalo Resources Co. | Rosenberg, TX 77471 | Oil & Gas Operator | Sep 2000 |
| 2378 | Buffalo Resources LLC | Woodward, OK 73801 | Oil & Gas Operator | Aug 2025 |
| 2379 | Buffalo Tournament Club, Inc. | Lancaster, NY 14086 | Gas Operator | Dec 2024 |
| 2380 | Buffalo Xxii Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2025 |
| 2381 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 2025 |
| 2382 | Buffum & Baker Inc | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1998 |
| 2383 | Buford Oil, Inc | | Oil & Gas Operator | Dec 2010 |
| 2384 | Bugington Energy, LLC | Odessa, TX 79768 | Oil & Gas Operator | Apr 2018 |
| 2385 | Bulinski Richard | Wetumka, OK 74883-0056 | Oil & Gas Operator | Jan 2004 |
| 2386 | Bull Dog Oil | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 2387 | Bull Oil Company, LLC | Livingston, TX 77351 | Oil & Gas Operator | Dec 2025 |
| 2388 | Bull Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Dec 2025 |
| 2389 | Bull Ring Energy LLC | Oklahoma City, OK 73118 | Gas Operator | Oct 2025 |
| 2390 | Bull Run Energy LLC | Warren, PA 16365-2215 | Oil & Gas Operator | Dec 2017 |
| 2391 | Bull Run Resources LLC | Warren, PA 16365 | Oil & Gas Operator | Dec 2024 |
| 2392 | Bullard Bros Production Co Inc | Comanche, OK 73529-0637 | Oil Operator | Mar 2015 |
| 2393 | Bullard Co. | | Gas Operator | Nov 1990 |
| 2394 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 2395 | Bullard Oil Company LLC | Tuttle, OK 73089-8375 | Oil Operator | Jul 2025 |
| 2396 | Bullards Oilfield Service Inc | Ardmore, OK 73401-3646 | Oil Operator | Sep 1999 |
| 2397 | Bulldog Disposal Inc | Laverne, OK 73848 | Oil Operator | Apr 2014 |
| 2398 | Bulldog Exploration Company | Houston, TX 77090 | Oil & Gas Operator | May 2005 |
| 2399 | Bulldog Exploration, LP | Houston, TX 77090 | Oil & Gas Operator | Apr 2011 |
| 2400 | Bulldog Operating Company | Artesia, NM 88211 | Oil & Gas Operator | Dec 2025 |