B
- B&H Photo Video – Blimie and Herman Schreiber
- B&Q – Richard Block and David Quayle
- Babolat – Pierre Babolat
- Bacardi – Facundo Bacardi
- Baedeker's – Karl Baedeker
- Bajaj Auto – Jamnalal Bajaj
- Baker Curb Racing – Gary Baker and Mike Curb
- Baker International (to Baker Hughes) – Reuben C. Baker
- Baldwin Locomotive Works – Matthias W. Baldwin
- Ball Corporation – the Ball Brothers
- Bandini Automobili – Ilario Bandini
- Bang & Olufsen – Peter Bang and Svend Olufsen
- Bankable Productions – Tyra Banks
- Bannatyne's – Duncan Bannatyne
- Banta Corporation – George Banta, Sr.
- Barilla Group – Pietro Barilla
- Barnardo's – Thomas John Barnardo
- Barnes & Noble – William Barnes and G. Clifford Noble
- Barneys New York – Barney Pressman
- Bashas' – Eddie Basha, Sr.
- Baskin-Robbins – Burt Baskin and Irv Robbins
- Bass & Co – William Bass
- Bausch & Lomb – John Jacob Bausch and Henry Lomb
- Bayer – Friedrich Bayer
- BBS – Heinrich Baumgartner and Klaus Brand (Baumgartner Brand Schiltach)
- BEA Systems – Bill Coleman, Ed Scott, and Alfred Chuang
- Beck's – Heinrich Beck (1873)
- Beckman Coulter – Arnold O. Beckman
- Behra – Jean Behra
- Bell & Ross – Bruno BELamich and Carlos A. ROSillo
- Bell Aircraft – Lawrence Bell
- Bell Telephone Company, Bell System – Alexander Graham Bell
- Bellasi – Guglielmo Bellasi
- Ben & Jerry's – Ben Cohen and Jerry Greenfield
- Benbros – Jack and Nathan Beneson (BENeson BROtherS)
- Benelli – Teresa Benelli
- Benetton Group – Luciano Benetton
- Benz & Cie. (later Daimler-Benz) – Karl Benz
- Beretta – Bartolomeo Beretta
- Beriev – Georgy Beriev
- Berluti – Alessandro Berluti
- Berton – Pieter BERvoets and Ron TON
- Bertone – Giovanni Bertone
- Bianchi Bicycles – Edoardo Bianchi
- Bickerton – Harry Bickerton
- Bimota – Valerio BIanchi, Giuseppe MOrri, and Massimo TAmburini
- Bing Lee – Bing Lee (company founder)
- Black & Decker (to Stanley Black & Decker) – S. Duncan Black and Alonzo G. Decker
- Blohm + Voss – Hermann Blohm and Ernst Voss
- Bloomberg L.P. – Michael Bloomberg
- Bloomingdale's – Joseph and Lyman G. Bloomingdale
- Boardman Bikes – Chris Boardman
- Bob Bondurant School of High Performance Driving – Bob Bondurant
- Bocar – BOb CARnes
- Boeing – William Boeing
- Bölkow – Ludwig Bölkow
- Bombardier Inc. – Joseph-Armand Bombardier
- Bomgar - Joel Bomgaars
- Bonhams – Walter Bonham
- Bonnier Group – Gerhard Bonnier
- Borders Group – Tom and Louis Borders
- Boro – BOb and ROdy Hoogenboom
- Bose Corporation – Amar Bose
- Brabham – Jack Brabham
- Brabus – Klaus BRAckmann and Bodo BUSchmann
- Brawn GP – Ross Brawn
- Brentano's – August Brentano
- Brewco Motorsports – Clarence and Tammy Brewer
- Brad Jones Racing – Brad Jones
- Brian Hart Ltd. – Brian Hart
- Bridgestone – Shojiro Ishibashi; The name comes from a calque translation and transposition of ishibashi, meaning "stone bridge".
- Briggs & Stratton – Stephen Foster Briggs and Harold M. Stratton
- Britek Motorsport – Jason BRIght
- Brooks Locomotive Works – founded by Horatio G. Brooks
- Brooks Sports – An anglicized version of Bruchs, the maiden name of founder Morris Goldberg's wife
- Brun Motorsport – Walter Brun
- Bugatti – Ettore Bugatti
- Buick – David Dunbar Buick
- Bulgari – The Italianized version of the family name of company founder Sotirios Voulgaris.
- Bulova – Joseph Bulova
- BVD – Messrs. Bradley, Voorhees and Day
Read more about this topic: List Of Companies Named After People