- B&H Photo Video – named after Blimie Schreiber and her husband, company founder Herman Schreiber.
- B&Q – from the initials of its founders, Richard Block and David Quayle
- Babolat – named for its founder, Pierre Babolat
- Bahco – from the name B.A. Hjort & Company. Founder Berndt August Hjort signed a deal to distribute the tools of inventor Johan Petter Johansson.
- Bang & Olufsen – from the names of its founders, Peter Bang and Svend Olufsen, who met at a School of Engineering in Denmark.
- Bally – originally Lion Manufacturing, the company changed its name to Bally after the success of its first popular pinball machine, Ballyhoo.
- Banesto – from Banco Español de Crédito (Spanish Credit Bank)
- BAPE – A Bathing Ape is a cult clothing company founded by Tomoaki "Nigo" Nagao in 1993. The name is derived from a Japanese saying, "A Bathing Ape In Lukewarm Water", which Nigo says is "a reference to the young generation being spoiled, pampered and too complacent."
- BASF – from Badische Anilin und Soda Fabriken. Anilin and Soda were the first products. Badisch refers to the location in the state of Baden, Germany (Black Forest region).
- Bauknecht – founded as an electrotechnical workshop in 1919 by Gottlob Bauknecht, and now a Whirlpool brand.
- Bayer – named after Friedrich Bayer, who founded the company in 1863.
- BBC – British Broadcasting Corporation, originally British Broadcasting Company.
- BBVA – Banco Bilbao Vizcaya Argentaria, a Spanish banking group formed in 1999 from the merger of Banco Bilbao Vizcaya and Argentaria.
- BCC Research – from the company's former name, Business Communications Company.
- BEA Systems – from the first initial of each of the company's three founders: Bill Coleman, Ed Scott and Alfred Chuang.
- BEML – Bharat Earth Movers Limited, a government of India company.
- Ben & Jerry's – named after Ben Cohen and Jerry Greenfield, who founded an ice cream parlor in 1978 after completing a correspondence course on ice cream making from Pennsylvania State University. The company, Ben & Jerry's Homemade Holdings, Inc. was later taken over by Unilever.
- BenQ – Bringing Enjoyment and Quality to life
- BHP – Broken Hill Proprietary, named after the town of Broken Hill, where BHP was founded (now BHP Billiton)
- BIC Corporation – the pen company was named after one of its founders, Marcel Bich. He dropped the final h to avoid a potentially inappropriate English pronunciation of the name.
- Black & Decker – named after founders S. Duncan Black and Alonzo G. Decker.
- Blaupunkt – Blaupunkt ("Blue dot") was founded in 1923 under the name "Ideal". Its core business was the manufacturing of headphones. If the headphones came through quality tests, the company would give the headphones a blue dot. The headphones quickly became known as the blue dots or blaue Punkte. The quality symbol would become a trademark and the trademark would become the company name in 1938.
- BMW – Bayerische Motoren Werke (Bavarian Motor Works).
- Bo-Dyn Bobsled – Geoff Bodine and Chassis Dynamics, the bobsled maker that the NASCAR driver teamed with. The company name is pronounced the same as that of Bodine himself /boʊˈdaɪn/.
- Boeing – named after founder William E. Boeing. It was originally called Pacific Aero Products Co.
- Bosch – named after founder Robert Bosch. Robert Bosch GmbH (full company name) is a German diversified technology-based corporation.
- Bose Corporation – named after founder Amar Bose.
- BSNL – from Bharat Sanchar Nigam Limited (India Communications Corporation Limited).
- BP – formerly British Petroleum, now BP. (The slogan "Beyond Petroleum" has incorrectly been taken to refer to the company's new name following its rebranding effort in 2000.)
- BRAC – Bangladesh Rural & Advancement Committee, world's largest NGO (non governmental organization).
- Bridgestone – named after founder Shojiro Ishibashi. The surname Ishibashi (石橋) means "stone bridge", or "bridge of stone".
- Brine, Corp. – sporting goods company named after founder, W.H. Brine. It was taken over by New Balance in 2006.
- Brooks Sports – an anglicized version of Bruchs, the maiden name of the wife of founder Morris Goldenberg.
- BSA – Birmingham Small Arms Company.
- BT – formerly British Telecom (from BT Group, formerly British Telecommunications plc.)
- Buick – Named for its founder, David Dunbar Buick. The company was the original focal point for General Motors, established in 1908 as a holding company for Buick plus other companies acquired by William C. Durant. Buick survives to this day as a GM brand.
- Bull – Compagnie des machines Bull was founded in Paris to exploit the patents for punched card machines taken out by Norwegian engineer Fredrik Rosing Bull.
- Burroughs Corporation – founded in 1886 as the American Arithmometer Company and later renamed after the adding machine invented by William Seward Burroughs. The company took over Sperry Corporation and became Unisys.
- Bultaco – Spanish company of motorcycles, which disappeared in the 1980s. Its name is based on the name of its founder, Paco Bultó.
- BHEL – Bharat Heavy Electricals Limited, a government of India company.
Read more about this topic: List Of Company Name Etymologies