List of companies named after people

This is a list of companies named after people. For other lists of eponyms (names derived from people) see Lists of etymologies. All of these are named after founders, co-founders and partners of companies, unless otherwise stated.

#

 * 20th Century Fox – William Fox

A

 * A. G. Edwards – Albert Gallatin Edwards
 * A&M Records – Herb Alpert and Jerry Moss
 * A&W Restaurants – Roy Allen and Frank Wright
 * Abbott Laboratories – Wallace Calvin Abbott (1888)
 * Abercrombie & Fitch – David T. Abercrombie and Ezra Fitch
 * Abrams Air Craft – Talbert Abrams
 * Abt Sportsline – Johann Abt
 * Adidas – Adi Dassler (Adolf Dassler)
 * Aditya Birla Group – Ghanshyam Das Birla
 * Agusta – Giovanni Agusta
 * AGV – Gino Amisano (Amisano Gino Valenza)
 * Air Jordan – Michael Jordan
 * Aitken Spence – Patrick Gordon Spence, Edward Aitken and S.R. Aitken
 * Ajo Motorsport – Aki Ajo
 * ALAN – Alberto and Annamaria, children of founder Falconi Lodovico
 * Albert Heijn and Ahold (Albert Heijn Holdings) – Albert Heijn
 * Albertsons – Joe Albertson
 * Aldi – Theo and Karl Albrecht (Albrecht Discount)
 * Alessi – Giovanni Alessi
 * Alex von Falkenhausen Motorenbau – Alex von Falkenhausen
 * Alltech — Aoife Louise Lyons, daughter of company founder Pearse Lyons
 * Alza – Alex Zaffaroni
 * Amdahl Corporation – Gene Amdahl
 * AMG – Hans Werner Aufrecht and Erhard Melcher (Aufrecht Melcher Großaspach)
 * Amon – Chris Amon
 * Amstrad – Alan Sugar (Alan Michael Sugar Trading)
 * Anatra – Artur Antonovich Anatra
 * Andrea Moda Formula – Andrea Sassetti
 * Angi (originally Angie's List) – Angie Hicks
 * Anheuser-Busch – Lilly and Eberhard Anheuser, and Adolphus Busch
 * Ann Summers – Annice Summers, secretary of founder Michael Caborn-Waterfield
 * Ansaldo – Giovanni Ansaldo
 * The Anschutz Corporation – Philip Anschutz
 * Ansett Australia – Reg Ansett
 * Ansett Pioneer – Reg Ansett
 * Antonov – Oleg Antonov
 * Arai Helmet – Hirotake Arai
 * Archer Daniels – George A. Archer and John W. Daniels
 * Armani – Giorgio Armani
 * Arrows – Franco Ambrosio, Alan Rees, Jackie Oliver, Dave Wass, and Tony Southgate
 * ARTA – Aguri Suzuki (Autobacs Racing Team Aguri)
 * Arzani-Volpini – Egidio Arzani and Gianpaolo Volpini
 * AS Watson – Alexander Skirving Watson
 * Aston Butterworth – Bill Aston and Archie Butterworth
 * Aston Martin – Lionel Martin
 * Audemars Piguet - Jules Louis Audemars and Edward Auguste Piguet
 * Audi – August Horch (audi is Latin for horch which means listen in English)
 * Austin Motor Company – Herbert Austin
 * Avery Dennison Corporation – R. Stanton Avery
 * AviaBellanca Aircraft – Giuseppe Mario Bellanca

B

 * B&H Photo Video – Blimie and Herman Schreiber
 * B&Q – Richard Block and David Quayle
 * Babolat – Pierre Babolat (1842–1892)
 * Bacardi – Facundo Bacardi
 * Baedeker's – Karl Baedeker
 * Bajaj Auto – Jamnalal Bajaj, India
 * Baker Curb Racing – Gary Baker and Mike Curb
 * Baker International (to Baker Hughes) – Reuben C. Baker
 * Baldwin Locomotive Works – Matthias W. Baldwin
 * Balenciaga – Cristóbal Balenciaga
 * Ball Corporation – the Ball Brothers
 * Ballet Rambert – Dame Marie Rambert
 * Balmain - Pierre Balmain
 * Bandini Automobili – Ilario Bandini
 * Bang & Olufsen – Peter Bang and Svend Olufsen
 * Bankable Productions – Tyra Banks
 * Bannatyne – Duncan Bannatyne
 * Banta Corporation – George Banta, Sr.
 * Barclays – James Barclay
 * Barilla Group – Pietro Barilla
 * Barings Bank – Francis Baring and John Baring
 * Barnardo's – Thomas John Barnardo
 * J. M. Barnardo & Son – John Michael 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
 * Bauknecht – Gottlob Bauknecht
 * 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
 * Bechtel – Warren A. Bechtel
 * Beckman Coulter – Arnold O. Beckman
 * Beck's – Heinrich Beck (1873)
 * Beecham Group – Thomas Beecham
 * Behra – Jean Behra
 * Beiersdorf – Paul Carl Beiersdorf
 * Belk – William Henry Belk
 * 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
 * Bentalls – Frank Bentall
 * Bentley – W. O. Bentley
 * Benz & Cie. (later Daimler-Benz) – Karl Benz
 * Beretta – Bartolomeo Beretta
 * Beriev – Georgy Beriev
 * Bertelsmann – Carl Bertelsmann
 * Berluti – Alessandro Berluti
 * Berton – Pieter Bervoets and Ron Ton
 * Bertone – Giovanni Bertone
 * Bialetti – Alfonso Bialetti
 * Bianchi Bicycles – Edoardo Bianchi
 * Bic – Marcel Bich
 * Bickerton – Harry Bickerton
 * Bimota – Valerio Bianchi, Giuseppe Morri, and Massimo Tamburini
 * Bing Lee – Bing Lee (company founder)
 * Bird's Custard – Alfred Bird
 * Birds Eye – Clarence Birdseye
 * 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
 * Blumhouse Productions – Jason Blum
 * Boardman Bikes – Chris Boardman
 * Bob Bondurant School of High Performance Driving – Bob Bondurant
 * Bocar – Bob Carnes
 * Boddingtons – Henry Boddington
 * The Bodley Head – in honour of Thomas Bodley, whose bust stood above the founders' shop
 * Boehringer Ingelheim – Alb. Boehringer
 * Boeing – William Boeing
 * Bölkow – Ludwig Bölkow
 * Bombardier Inc. – Joseph-Armand Bombardier
 * Bomgar – Joel Bomgaars
 * Bonhams – Walter Bonham
 * Bonnier Group – Gerhard Bonnier
 * Boolell Advisory Mauritius - Aditi Boolell
 * Booth's Gin – John Booth
 * Boots – Jesse Boot
 * Borders Group – Tom and Louis Borders
 * Boro – Bob and Rody Hoogenboom
 * Bosch – Robert Bosch
 * Bose Corporation – Amar Bose, Indian
 * Brabham – Jack Brabham
 * Brabus – Klaus Brackmann and Bodo Buschmann
 * Brad Jones Racing – Brad Jones
 * Brains Brewery – Samuel Arthur Brain
 * Braun – Max Braun (engineer)
 * Brawn GP – Ross Brawn
 * Brentano's – August Brentano
 * Brewco Motorsports – Clarence and Tammy Brewer
 * 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
 * Brooke Bond – Arthur Brooke
 * Brooks Locomotive Works – founded by Horatio G. Brooks
 * Brooks Sports – anglicized version of "Bruchs," the maiden name of founder Morris Goldberg's wife
 * Brun Motorsport – Walter Brun
 * Bryant and May – William Bryant and Francis May
 * Bugatti – Ettore Bugatti
 * Buick – David Dunbar Buick
 * Buitoni – Giovanni Battista Buitoni
 * Bulgari – Italianized version of the family name of company founder Sotirios Voulgaris
 * Bulova – Joseph Bulova
 * Burberry – Thomas Burberry
 * BVD – Messrs. Bradley, Voorhees and Day

C
Dr.Chari's [Sathish Chari]
 * C. H. Robinson Worldwide – Charles Henry Robinson
 * C&A – Clemens and August Brenninkmeijer
 * Cabela's – Dick Cabela
 * Cadbury – John Cadbury
 * Cadillac – Antoine Laumet de La Mothe, sieur de Cadillac, founder of Detroit, Michigan
 * Cagiva – Giovanni Castiglioni (Castiglioni Giovanni Varese)
 * Callaway Cars – Reeves Callaway
 * Callaway Golf Company – Ely R. Callaway Jr.
 * Calvin Klein – Calvin Klein
 * Cammell Laird – Charles Cammell and William Laird
 * Campagnolo – Tullio Campagnolo
 * Campari – Davide Campari
 * Campbell Soup Company – Joseph A. Campbell
 * Canon – see Kwanon
 * Cargill – William Wallace Cargill
 * Carl Zeiss AG – Carl Zeiss
 * Carlyle Group – Thomas Carlyle (indirectly, via the Carlyle Hotel)
 * Casio – Tadao Kashio
 * Cassell – John Cassell
 * Celine – Celine Vipiana
 * Cerruti 1881 – Nino Cerruti
 * Chanel – Gabrielle "Coco" Chanel
 * Charles Schwab Corporation – Charles R. Schwab
 * Charles Wells Ltd (now Wells & Young's Brewery) – Charles Wells
 * Chase National Bank (to Chase Manhattan Bank and JPMorgan Chase & Co.) – Salmon P. Chase
 * Chevrolet – Louis Chevrolet
 * Chip Ganassi Racing – Chip Ganassi
 * Christian Dior – Christian Dior
 * Christian Salvesen – Christian Salvesen
 * Christie's – James Christie
 * Chrysler – Walter Chrysler
 * Citroën – André Citroën
 * Cizeta – Claudio Zampolli
 * CKE Restaurants – founded as Carl Karcher Enterprises
 * Clarks – Cyrus and James Clark
 * Claud Butler – Claud Butler
 * Clif Bar – Clifford Erickson (father of founder Gary Erickson)
 * Cokin – Jean Coquin
 * Coles – George Coles
 * Colgate-Palmolive – William Colgate
 * Collins Radio Company – Arthur A. Collins
 * Colnago – Ernesto Colnago
 * Coloni – Enzo Coloni
 * Colt's Manufacturing Company, Colt Defense, Colt Canada – Samuel Colt
 * Condé Nast Publications – Condé Montrose Nast
 * Connolly Leather – John Connolly
 * Cooper Car Company – Charles and John Cooper
 * Coors Brewing Company, Adolph Coors Company – Adolph Coors
 * Cord Automobile – Errett Lobban Cord
 * Corel – Michael Cowpland (Cowpland Research Laboratory)
 * Costa Coffee – Bruno Costa and Sergio Costa
 * Cosworth – Mike Costin and Keith Duckworth
 * Courage Compétition – Yves Courage
 * Cox Enterprises – James M. Cox
 * Cox Models – Roy Cox
 * Craigslist - Craig Newmark
 * Crane & Co. – Stephen Crane or the Crane family
 * Cray Research – Seymour Cray
 * Crumpler – Stuart Crumpler (co-founder)
 * Cummins – Clessie Cummins
 * Curtiss Aeroplane and Motor Company (to Curtiss-Wright) – Glenn Curtiss
 * Cushman & Wakefield – J.Clydesdale Cushman and Bernard Wakefield

D

 * D. G. Yuengling & Son – David Yuengling
 * Daimler-Benz (later DaimlerChrysler, now Daimler AG) – Gottlieb Daimler and Karl Benz
 * Dallara – Giampaolo Dallara
 * Damiani – Enrico Grassi Damiani
 * Danelectro – Nathan Daniel
 * Dangote Group – Aliko Dangote
 * Danjaq – Dana Broccoli and Jacqueline Saltzman, wives of company founders Albert R. Broccoli and Harry Saltzman
 * d’Antin MotoGP – see Pramac d'Antin
 * Danone – nickname of Daniel, son of Isaac Carasso
 * Dargaud – Georges Dargaud
 * Dassault Group – Marcel Dassault
 * Datsun – Kenjiro Den, Rokuro Aoyama, and Meitaro Takeuchi
 * Dauer Sportwagen – Jochen Dauer
 * David Jones (department store) – David Jones
 * David Lloyd Leisure – David Lloyd
 * David Price Racing – David Price
 * Davis Polk - John W. Davis, a defender of racial segregation and state control of education.
 * DBZ Guitars – Dean B. Zelinsky
 * De Agostini – Giovanni De Agostini
 * De Tomaso – Alejandro de Tomaso
 * Dean & DeLuca – Joel Dean and Giorgio DeLuca
 * Dean Guitars – Dean Zelinsky
 * Debenhams – William Debenham
 * formerly Debenham & Freebody – Debenham and Clement Freebody
 * Deere & Company – John Deere
 * Dell – Michael Dell
 * Deloitte – William Welch Deloitte
 * DeLorean Motor Company – John DeLorean
 * DHL Express – Adrian Dalsey, Larry Hillblom, and Robert Lynn
 * Dick Clark Productions – Dick Clark
 * Dick Johnson Racing – Dick Johnson
 * Dick Smith – Dick Smith
 * Dick's Sporting Goods – Dick Stack
 * Dillard's – William T. Dillard
 * Disney, Walt Disney Pictures, Walt Disney Records, Walt Disney World, Disneyland, Disney Channel, Disney+ – Walt Disney
 * Driscoll's – Dick Driscoll
 * Dodge – John and Horace Dodge
 * Dolby Laboratories – Ray Dolby
 * Dolce & Gabbana – Domenico Dolce and Stefano Gabbana
 * Dollond & Aitchison – John and Peter Dollond and James Aitchison
 * Don Bluth Productions – Don Bluth
 * Double R Racing, formerly Räikkönen Robertson Racing – Kimi Räikkönen and Steve Robertson
 * Douglas Aircraft Company (to McDonnell Douglas) – Donald Wills Douglas, Sr.
 * The Dow Chemical Company – Herbert Dow
 * Dow Jones & Company – Charles Dow and Edward Jones
 * D'Oyly Carte Opera Company – Richard D'Oyly Carte
 * Dr. Bronner's Magic Soaps – Emanuel Bronner
 * Dr. Oetker – August Oetker
 * Ducati – Antonio Cavalieri Ducati (1853–1927)
 * Duesenberg – Fred and August Duesenberg
 * Duke Energy – James Buchanan Duke
 * Duke Video – Peter Duke
 * DuMont Television Network & DuMont Laboratories – Allen B. DuMont
 * Dunlop – John Boyd Dunlop
 * Dunlop Manufacturing – Jim Dunlop
 * DuPont – Eleuthère Irénée du Pont
 * Dürr AG – Paul Dürr
 * Dyson – James Dyson

E

 * Earnhardt Ganassi Racing with Felix Sabates – Dale Earnhardt (Sr.), Chip Ganassi, Felix Sabates
 * Eastman Kodak – George Eastman
 * Easton – Doug Easton
 * Eatons – Timothy Eaton
 * Eddie Bauer – Eddie Bauer
 * Eddie Jordan Racing – Eddie Jordan
 * Eddie Stobart – see Stobart Group
 * Edelbrock – Vic Edelbrock
 * Edison Records – Thomas Edison
 * Eggenberger Motorsport, Rudi Eggenberger
 * Eli Lilly and Company – Eli Lilly
 * Ellis Briggs – Leonard Ellis and Thomas Briggs
 * Ericsson – Lars Magnus Ericsson
 * Ermenegildo Zegna – Ermenegildo Zegna
 * Ernst Paul Lehmann Patentwerk
 * Estée Lauder Companies – Estée Lauder
 * EuroBrun – Walter Brun

F

 * Fabbri Group – Romolo Fabbri
 * Faber and Faber – Geoffrey Faber
 * Faber-Castell – Kaspar Faber
 * Falabella – Salvatore Falabella
 * Fazer – Karl Fazer
 * FB Mondial – Fratelli Boselli
 * Felt Bicycles – Jim Felt
 * Fender – Leo Fender
 * Fendi – Edoardo Fendi
 * Ferguson Research – Harry Ferguson
 * Ferragamo – Salvatore Ferragamo
 * Ferranti – Sebastian Ziani de Ferranti
 * Ferrari – Enzo Ferrari
 * Ferrero – Pietro Ferrero
 * Ferretti Group – Alessandro and Norberto Ferretti
 * Fielmann – Günther Fielmann
 * Filippi Boats – Filippi Lido
 * Fioravanti – Leonardo Fioravanti
 * Firestone – Harvey S. Firestone
 * Fisher-Price – Herman Fisher and Irving Price
 * Fitch Ratings – John Knowles Fitch
 * Fittipaldi Automotive – Emerson and Wilson Fittipaldi
 * Focke-Wulf – Henrich Focke and Georg Wulf (1895–1927)
 * Fokker – Anthony Fokker
 * Forbes – B. C. Forbes
 * Ford Motor Company – Henry Ford
 * Forti – Guido Forti
 * Fortinos – John Fortino
 * Fortnum & Mason – William Fortnum and Hugh Mason
 * Fox Racing – Geoff Fox
 * Fox Racing Shox – Bob Fox
 * Franck Muller – Franck Muller
 * Frank Williams Racing Cars – Frank Williams
 * Franklin Mint – believed to be named in honor of Benjamin Franklin
 * FranklinCovey – Benjamin Franklin and Stephen Covey
 * Frazer Nash – Archibald Frazer-Nash
 * Fred Flare – Fred Astaire
 * Freisinger Motorsport – Manfred Freisinger
 * Fresenius – Eduard Fresenius
 * Frost French – Sadie Frost and Jemima French
 * Frost and Sullivan – Lore A. Frost and Dan L. Sullivan
 * Fuller, Smith & Turner – John Fuller, Henry Smith and John Turner!

G

 * Galen Institute – health care think tank named after Galen, a prominent Greek physician
 * Galles Racing – Rick Galles
 * Galmer – Rick Galles and Alan Mertens
 * Gannett Company – Frank Gannett
 * Garmin – Gary Burrell and Dr. Min Kao
 * Gartner – Gideon Gartner
 * Garry Rogers Motorsport – Garry Rogers
 * Gemballa – Uwe Gemballa
 * George Dickel – George A. Dickel
 * Gerber Products Company – Daniel Frank Gerber
 * Getty Images – Mark Getty
 * Getty Oil – John Paul Getty
 * Ghirardelli Chocolate Company – Domingo Ghirardelli
 * Giannini – Tranquillo Giannini
 * Gibson Guitar Corporation – Orville Gibson
 * Gibson Motor Sport – Fred Gibson
 * Gilbarco – Charles Gilbert and John Barker (Gilbert & Barker Manufacturing Co.)
 * Gilera – Giuseppe Gilera
 * Gillet – Tony Gillet
 * Gillette – King C. Gillette
 * Girard-Perregaux – Constant Girard and Marie Perregaux
 * Gitzo – Arsène Gitzhoven
 * Givenchy – Hubert de Givenchy
 * Glenn L. Martin Company (to Lockheed Martin) – Glenn Luther Martin
 * Glenn Seton Racing – Glenn Seton
 * Glock Ges.m.b.H. – Gaston Glock
 * GN – H.R. Godfrey and Archibald Frazer Nash
 * Godin – Robert Godin
 * Godrej Group – Ardeshir Godrej and Pirojsha Burjorji Godrej
 * Goldman Sachs – Marcus Goldman and Samuel Sachs
 * Goldwyn Picture Corporation – Samuel Goldfish, Edgar and Archibald Selwyn
 * Goodrich Corporation – Benjamin Goodrich
 * Goodyear Tire and Rubber Company – Charles Goodyear
 * Gordon's Gin – Alexander Gordon
 * Gorman – Lisa Gorman
 * Gottlieb – David Gottlieb
 * Greggs – John Gregg
 * Gresini Racing – Fausto Gresini
 * Gretsch – Friedrich Gretsch
 * Grundig – Max Grundig
 * GT Bicycles – Gary Turner
 * Gucci – Guccio Gucci
 * Guinness – Arthur Guinness
 * Gumpert – Roland Gumpert
 * Guthy-Renker – Bill Guthy and Greg Renker
 * Guzzi – Carlo Guzzi

H

 * H-E-B – Howard Edward Butt (founder's son; turned the family grocery store into a supermarket chain)
 * H. J. Heinz Company – Henry John Heinz
 * H.K. Porter, Inc. – Henry Kirke Porter
 * H&R Block – Henry W. Bloch and Richard Bloch
 * Haas Automation – Gene Haas
 * Haas Lola – Carl Haas
 * Haas Outdoors, Inc. – Toxey Haas
 * Hachette Filipacchi Médias – Louis Hachette and Daniel Filipacchi
 * Halliburton – Erle P. Halliburton
 * Halls, Hallmark Cards – Joyce Hall
 * Hamann Motorsport – Richard Hamann
 * Hamish Hamilton – Jamie Hamilton
 * Hamleys – William Hamley
 * Hämmerli – Johann Ulrich Hämmerli
 * Hammond Organ – Laurens Hammond
 * Hanna-Barbera Productions – William Hanna and Joseph Barbera
 * Haribo – Hans Riegel (and produced in Bonn)
 * Harley-Davidson – William S. Harley and Arthur Davidson
 * Harman Kardon – Sidney Harman and Bernard Kardon
 * Haro Bikes – Bob Haro
 * HarperCollins – James Harper and William Collins
 * Harrah's Entertainment – William F. Harrah
 * Harrods – Charles Henry Harrod
 * Hartmann Gruppe – Paul Hartmann (entrepreneur)
 * Harvey Nichols – Benjamin Harvey and James Nichols
 * Harvey Norman – Gerald Harvey and Ian Norman
 * Hasbro – the Hassenfeld Brothers
 * Hasegawa Corporation – Suguro Hasegawa
 * Hasselblad – Victor Hasselblad
 * Hatchards – John Hatchard
 * Heal's – John Harris Heal
 * Hearst Corporation – William Randolph Hearst
 * Heckler & Koch – Edmund Heckler and Theodor Koch
 * Heineken International – Gerard Adriaan Heineken
 * Heinemann – William Heinemann
 * Heinz – Henry J. Heinz
 * Hendrick Motorsports – Rick Hendrick
 * Henkel – Friedrich Karl Henkel
 * Hennessey Performance – John Hennessey
 * Hennessy – Richard Hennessy
 * The Herb Chambers Companies - Herb Chambers
 * Herpa – Wilhelm Hergenröther (Hergenröther und Patente)
 * The Hershey Company – Milton Hershey
 * Hesburger – Heikki Salmela
 * Hesketh Racing, Hesketh Motorcycles – Alexander Fermor-Hesketh, 3rd Baron Hesketh
 * Heuer – see TAG Heuer
 * Hewitt Associates – Ted Hewitt
 * Hewlett-Packard – William Hewlett and David Packard
 * Hillman – William Hillman
 * Hilton Hotels – Conrad Hilton
 * HKS – Hiroyuki Hasegawa and Goichi Kitagawa (plus Sigma Automotive)
 * Hodder & Stoughton – Matthew Hodder and Thomas Wilberforce Stoughton
 * Hohner – Matthias Hohner
 * Holland & Barrett – William Holland and Alfred Slapps Barrett
 * Holman Moody – John Holman and Ralph Moody
 * Honda – Soichiro Honda
 * Honeywell – Mark Honeywell
 * Horlicks – James Horlick and William Horlick
 * Hormel – George A. Hormel
 * Hornby Railways – Frank Hornby
 * Hoshino Impul – Kazuyoshi Hoshino
 * House of Fabergé – Gustav Faberge
 * Hovnanian Enterprises – Kevork Hovnanian
 * Hoyt Archery – Earl Hoyt Sr.
 * Hughes Aircraft, Hughes Tool Company (to Baker Hughes), Hughes Airwest – Howard Hughes
 * Hugo Boss – Hugo Boss
 * Humber – Thomas Humber
 * Huntley and Palmers – Joseph Huntley and George Palmer
 * Hy-Vee – Charles Hyde and David Vredenburg. The company was originally incorporated as Hyde & Vredenburg, Inc.; Hy-Vee was adopted as a marketing brand in 1952 and the corporate name in 1963.

I

 * Icahn Enterprises – Carl Icahn
 * IKEA - Ingvar Kamprad from Elmtaryd in Agunnaryd
 * illy – Andrea Illy
 * Ilmor – Mario Illien and Paul Morgan
 * Ilyushin – Sergey Ilyushin
 * Ind Coope – Edward Ind and Octavius Coope
 * Ingle & Rhode – Tim Ingle and David Rhode
 * Innocenti – Ferdinando Innocenti
 * Irmscher – Günther Irmscher
 * Islabikes – Isla Rowntree
 * Italdesign Giugiaro – Giorgetto Giugiaro

J

 * J. Barbour & Sons – John Barbour
 * J. C. Bamford – Joseph Cyril Bamford
 * JCPenney – James Cash Penney
 * J.J. Newberry – John Josiah Newberry
 * J.P. Morgan & Co. – J. P. Morgan
 * Jack Daniel Distillery – Jack Daniel
 * Jack Link's Beef Jerky – John 'Jack' Link
 * Jackson Guitars – Grover Jackson
 * Jacksons of Piccadilly – Robert Jackson
 * Jacob's – William and Robert Jacob
 * Jacuzzi – the Jacuzzi brothers
 * Jafco – Sidney Z. Jaffe
 * James Purdey and Sons – James Purdey
 * JBL – James Bullough Lansing
 * Jean Coutu Group – Jean Coutu
 * Jil Sander – Heidemarie "Jil" Sander
 * The Jim Henson Company – Jim Henson
 * Jimmy John's – Jimmy John Liautaud
 * JML – John Mills (Limited)
 * Jo-Han – John Hanley
 * Joe Gibbs Racing – Joe Gibbs
 * Joest Racing – Reinhold Joest
 * John Cooper Works – John Cooper
 * John Deere – John Deere
 * John Murray – John Murray I
 * John Player & Sons – John Player
 * John Smith's Brewery – John Smith
 * Johnnie Walker – John Walker
 * Johnson & Johnson – Robert Wood Johnson I, James Wood Johnson, and Edward Mead Johnson
 * Johnson Publishing – John H. Johnson
 * Jones Lang Wootton – last names of its three principal members
 * Jordan Grand Prix – Eddie Jordan
 * JR Motorsports – Dale Earnhardt Jr. (Earnhardt is frequently referred to in NASCAR circles as "Junior")
 * JTG Daugherty Racing – Jodi and Tad Geschickter, and Brad Daugherty
 * Judd – John Judd
 * Junkers – Hugo Junkers

K

 * Kadokawa Shoten – Haruki Kadokawa
 * Kaiser Aluminum, Kaiser Motors, Kaiser Permanente, Kaiser Shipyards, Kaiser Steel – Henry J. Kaiser
 * Kaiser-Frazer – Henry J. Kaiser and Joseph W. Frazer
 * Kaman Corporation – Charles Kaman
 * Kärcher – Alfred Kärcher
 * Karstadt – Rudolph Karstadt
 * Kaspersky Lab – Eugene Kaspersky
 * Kate Spade New York – Kate Spade
 * Kawasaki Heavy Industries – Kawasaki Shōzō
 * Kellogg Company, WK Kellogg Co – Will Keith Kellogg
 * Kelly Racing – John and Margaret Kelly
 * The Kennedy/Marshall Company – Kathleen Kennedy and Frank Marshall
 * Kenwood Limited – Kenneth Maynard Wood
 * Kevin Harvick Incorporated – Kevin Harvick
 * Kimberly-Clark – John A. Kimberly and Charles B. Clark
 * King Kullen – Michael J. Cullen; he replaced the "C" with a "K" for marketing purposes
 * Knight Ridder – John S. Knight (Knight Newspapers, Inc.) and Herman Ridder (Ridder Publications, Inc.)
 * Knorr – Carl Heinrich Theodor Knorr
 * Koch Industries – Fred C. Koch
 * Koch Media – Franz Koch
 * Koei – Kō Shibusawa and Eiji Fukuzawa (non-existent people)
 * Koenigsegg – Christian von Koenigsegg
 * Kogan.com – Ruslan Kogan
 * Kohlberg Kravis Roberts – Jerome Kohlberg Jr., Henry Kravis, and George R. Roberts
 * Kohl's – Max Kohl
 * Kojima Engineering – Matsuhisa Kojima
 * Kojima Productions – Hideo Kojima
 * Konami – Kagemasa Kouzuki, Yoshinobu Nakama, Tatuso Miyasako (another theory was Hiro Matsuda, and Shokichi Ishihara)
 * Konrad Motorsport – Franz Konrad
 * Kraft Foods – James L. Kraft
 * Kremer Racing – Erwin and Manfred Kremer
 * Kroger – Bernard Kroger
 * Kruse International – Russell W. Kruse
 * Kurtis Kraft – Frank Kurtis
 * Kuzma – Eddie Kuzma
 * Kwanon – Kannon (Japanese for the Buddhist bodhisattva Guan Yin)

L

 * L.L.Bean – Leon Leonwood Bean
 * Lacoste – Jean René Lacoste (1904–1996)
 * Lafarge – Joseph-Auguste Pavin de Lafarge
 * Lagardère Group – Jean-Luc Lagardère
 * Laidlaw – Robert Laidlaw
 * Lamborghini – Ferruccio Lamborghini
 * Lancia – Vicenzo Lancia
 * Lane Bryant – Lena Bryant (first name misspelled by a bank officer when she opened her company's first bank account)
 * Larousse – Pierre Larousse
 * Larrousse – Gérard Larrousse
 * Lauda Air – Niki Lauda
 * Lavazza – Luigi Lavazza
 * Laverda – Pietro Laverda
 * Lay's – Herman Lay
 * Lazard – Alexandre Lazard, Simon Lazard, and Elie Lazard
 * LDS – Louis Douglas Serrurier
 * Leatherman – Timothy S. Leatherman
 * Lee Enterprises – A. W. Lee
 * Lee – Harry David Lee
 * Leeann Chin – Leeann Chin
 * Lehman Brothers – Henry Lehman, Emanuel Lehman, and Meyer Lehman
 * J. Lehrenkrauss Corporation
 * Leica Camera, Leica Geosystems and Leica Microsystems – Ernst Leitz II (Leitz Camera)
 * Leitz – Louis Leitz
 * LeMond Racing Cycles – Greg LeMond
 * Leslie – Donald Leslie
 * Lesney Products – Leslie Smith and Rodney Smith
 * Levi Strauss & Co. – Levi Strauss
 * Li-Ning – Li Ning
 * Liberty – Arthur Lasenby Liberty
 * Lidl – named for Ludwig Lidl
 * Life – Ernesto Vita (surname is Italian for life)
 * Ligier – Guy Ligier
 * Lincoln Motor Company – Abraham Lincoln
 * Lincoln National Corporation – to convey the integrity of U.S. President Abraham Lincoln
 * Linde Group – Carl von Linde
 * Lindt – Rodolphe Lindt
 * Lipton – Thomas Lipton
 * Lisa Frank Incorporated – Lisa Frank
 * Livingston International – Gerry Livingston
 * Liz Claiborne – Liz Claiborne
 * Lloyds Bank – Sampson Lloyd
 * Lloyd's of London – Edward Lloyd
 * Loblaws – Theodore Loblaw
 * Lockheed Corporation (to Lockheed Martin) – Allan Haines Loughead and Malcolm Loughead
 * Loews Theatres and Loews Corporation – Marcus Loew
 * Longman – Thomas Longman
 * Lonsdale – Hugh Cecil Lowther, 5th Earl of Lonsdale
 * Lorillard Tobacco Company – Pierre Abraham Lorillard
 * Lotte – The Sorrows of Young Werther character Charlotte
 * Loud Brothers – Thomas Loud Jr., Philologus Loud, John Loud, and Joseph Loud
 * Louis B. Mayer Pictures (to Metro-Goldwyn-Mayer) – Louis B. Mayer
 * Louis Vuitton – Louis Vuitton
 * Lowe Alpine and its offshoot Lowepro – Greg, Jeff, and Mike Lowe (founders)
 * Lucasfilm – George Lucas
 * LVMH – see separate entries of Louis Vuitton, Moët et Chandon, and Hennessy

M

 * M. D. Moody & Sons, Inc. – Maxey Dell Moody, Sr.
 * Macmillan – Daniel and Alexander Macmillan
 * Macy's – Rowland Hussey Macy
 * Maggi – Julius Maggi
 * Mahindra Group – K.C. Mahindra and J.C. Mahindra, India
 * Maki – Mimur A Kenji
 * Makita – Mosaburo Makita
 * Malaguti – Antonio Malaguti
 * Mamiya – Seichi Mamiya
 * Manfrotto Group – Lino Manfrotto
 * Manion's – Ron Manion
 * Mansory – Kourosh Mansory
 * March Engineering – initials of Max Mosley, Alan Rees, Graham Coaker, and Robin Herd
 * Marchese – Carl Marchese
 * Marconi Company – Guglielmo Marconi
 * Marcus Marshall Motorsport – Marcus Marshall
 * Mark Levinson – Mark Levinson
 * Marks & Spencer – Michael Marks and Thomas Spencer
 * Marriott Corporation (later split into Host Marriott and Marriott International) – J. Willard Marriott
 * Mars, Incorporated – Frank C. Mars
 * Marsh & McLennan Companies – Henry W. Marsh and Donald R. McLennan
 * Marshall Amplification – Jim Marshall
 * Martha Stewart Living Omnimedia – Martha Stewart
 * Martin-Baker – James Martin and Valentine Baker
 * Martini – Tico Martini
 * Martini & Rossi – Alessandro Martini and Luigi Rossi
 * Mary Kay, Inc. – Mary Kay Ash
 * Marzotto – Luigi Marzotto
 * Matsushita Electric Industrial – Konosuke Matsushita
 * Matrox – Branko Matić and Lorne Trottier (and excellence)
 * Mattel – Harold Matt Matson and Elliot Handler
 * Mauser – Wilhelm and Paul Mauser
 * Max Factor – Max Factor, Sr (born Maksymilian Faktorowicz)
 * Maybach – Wilhelm and Karl Maybach
 * Maytag – F. L. Maytag
 * Mazda – Jujiro Matsuda, also possibly inspired by the Zoroastrian god Ahura Mazda
 * MB – Milton Bradley
 * McAfee – John McAfee
 * McCaw Cellular – Craig McCaw
 * McDonald's – Richard and Maurice McDonald
 * McDonnell Aircraft (to McDonnell Douglas) – James Smith McDonnell
 * Todd McFarlane Productions, McFarlane Toys – Todd McFarlane
 * McGraw-Hill – John A. Hill and James H. McGraw
 * McKesson Corporation – John McKesson
 * McLaren – Bruce McLaren
 * McVitie's – Robert McVitie
 * Meijer – Hendrik Meijer
 * Melitta – Melitta Bentz
 * Mellon Financial Corporation – Thomas Mellon
 * Menards – John Menard Jr.
 * Mercedes – named by Emil Jellinek for his daughter Mercédès Jellinek
 * Mercedes-Benz – Karl Benz
 * Merck – Friedrich Jacob Merck
 * Meredith Corporation – Edwin T. Meredith
 * Merriam-Webster – George and Charles Merriam, and Noah Webster
 * Merrill Lynch – Charles E. Merrill and Edmund C. Lynch
 * Merzario – Arturo Merzario
 * Messerschmitt – Willy Messerschmitt
 * Methuen – Algernon Methuen
 * MG Cars – William Morris, 1st Viscount Nuffield (Morris Garages)
 * MGM or Metro-Goldwyn-Mayer – Samuel Goldfish, Edgar and Archibald Selwyn, and Louis B. Mayer
 * Michael Kors Holdings – Michael Kors
 * Michael Waltrip Racing – Michael Waltrip
 * Michelin – André Michelin and Édouard Michelin
 * Miele – Carl Miele
 * Mikoyan – Artem Mikoyan
 * Millarworld – Mark Millar
 * MillenWorks – Rod Millen
 * Minardi – Giancarlo Minardi
 * Miramax Films – Miriam and Max Weinstein (parents of founders)
 * Mitel – Michael Cowpland and Terry Matthews (Mike and Terry's Lawnmowers)
 * Mitsuoka – Akio Mitsuoka
 * Moët et Chandon – Claude Moët and Pierre-Gabriel Chandon de Briailles
 * Molson – John Molson
 * Momo – Giampiero Moretti (Moretti Monza)
 * Mondadori – Arnoldo Mondadori
 * Montague Bikes – David Montague
 * Monteverdi – Peter Monteverdi
 * Moog Music – Dr. Robert Moog
 * Morbidelli – Giancarlo Morbidelli
 * Morgan Motor Company – H.F.S. Morgan
 * Morgan Stanley – Henry S. Morgan and Harold Stanley
 * Morris Motors – William Morris, 1st Viscount Nuffield
 * Morton Salt – Joy Morton
 * Mosler Automotive – Warren Mosler
 * Moto Guzzi – Carlo Guzzi
 * Moto Morini – Alfonso Morini
 * Mr. Gatti's Pizza – Pat Eure, née Gatti, wife of company founder Jim Eure
 * MTM Enterprises – Mary Tyler Moore
 * Murphy's Brewery – James J. Murphy
 * MV Agusta – Vincenzo and Domenico Agusta
 * Myer – Sidney Myer

N

 * Nakajima Racing – Satoru Nakajima
 * Nakamichi – Etsuro Nakamichi
 * Namco – Masaya Nakamura (Nakamura Manufacturing Company)
 * Nardi – Enrico Nardi
 * Nash Motors – Charles W. Nash
 * Neckermann – Josef Neckermann
 * Neiman Marcus – Herbert Marcus, Sr., Carrie Marcus Neiman, and A. L. Neiman
 * Nero AG – Nero
 * Nestlé – Henri Nestlé
 * Newman/Haas/Lanigan Racing – Paul Newman, Carl Haas, and Mike Lanigan
 * Newman's Own – Paul Newman
 * Nick Bollettieri Tennis Academy – Nick Bollettieri
 * Nielsen – Arthur Nielsen
 * Niki – Niki Lauda
 * Nina Ricci – Nina Ricci
 * Nobel Enterprises – Alfred Nobel
 * Norbert Dentressangle – Norbert Dentressangle
 * Nordstrom – John W. Nordstrom
 * Northrop – Jack Northrop

O

 * Offenhauser – Fred Offenhauser
 * Office Kitano – Takeshi Kitano
 * Öhlins – Kenth Öhlins
 * Oldsmobile – Ransom E. Olds
 * Olin Corporation – Franklin W. Olin
 * Olivetti – Camillo Olivetti
 * Opel – Adam Opel
 * Orton Ceramic Foundation – Edward Orton Jr.
 * Oscar Mayer – Oscar F. Mayer
 * Osella – Enzo Osella
 * Otis Elevator Company – Elisha Otis
 * Otto GmbH – Michael Otto

P

 * Pagani – Horacio Pagani
 * Pamida – Patrick, Michael, and David Witherspoon, sons of company co-founder Jim Witherspoon
 * Panhard – René Panhard
 * Panoz – Don Panoz
 * Papa John's Pizza – "Papa" John Schnatter
 * Patek Philippe & Co. – Antoni Patek and Adrien Philippe
 * Pathé – Charles and Émile Pathé
 * Paul Cruickshank Racing – Paul Cruickshank
 * Paul Frank Industries – Paul Frank
 * Paul K. Guillow, Inc. – Paul K. Guillow
 * Paul Morris Motorsport – Paul Morris
 * Peavey Electronics – Hartley Peavey
 * Peek Freans – James Peek and George Hender Frean
 * Penske Corporation – Roger Penske
 * Penske Media Corporation – Jay Penske, the son of Roger Penske
 * PerkinElmer – Richard Scott Perkin and Charles Elmer
 * Perot Systems – H. Ross Perot Jr.
 * Perrier – Louis Perrier (physician)
 * Perry Ellis International – Perry Ellis
 * Petty Enterprises – Lee Petty
 * Peugeot – Armand Peugeot
 * Pfizer – Charles Pfizer
 * Philip Morris International and Philip Morris USA – Philip Morris
 * Philips – Gerard Philips
 * Piaggio – Rinaldo Piaggio
 * Pinarello – Giovanni Pinarello
 * Pininfarina – Sergio Pininfarina
 * Pirelli – Giovanni Battista Pirelli
 * Pontiac – Chief Pontiac
 * Porsche – Ferdinand Porsche
 * Porsche Design – Ferdinand Alexander Porsche
 * Powell Peralta – George Powell and Stacy Peralta
 * Prada – Mario Prada
 * Pramac d'Antin – Luis d'Antin
 * Pratt & Whitney – Francis A. Pratt, Amos Whitney
 * Pressman Toy Corporation – Jack Pressman
 * PricewaterhouseCoopers – Samuel Lowell Price, Edwin Waterhouse, William Cooper
 * Primanti Brothers – Joe Primanti, Dick Primanti, Stanley Primanti
 * Procter & Gamble – William Procter and James Gamble
 * Promotions Varoussac, original name of the wrestling promotion later known as Lutte Internationale – Frank Valois, André Roussimoff (aka André the Giant), Louis Accocella (aka Gino Brito)
 * Prost Grand Prix – Alain Prost
 * PRS Guitars – Paul Reed Smith
 * Pye – William George Pye

Q

 * Quaife – Rod Quaife
 * Qvale – Bruce Qvale

R

 * R. J. Reynolds Tobacco Company (RJR) – R. J. Reynolds
 * Railton – Reid Railton
 * Rainer-Wurz.com – Markus Rainer and Alexander Wurz
 * Ralt – Ron and Austin Lewis Tauranac
 * RAM Racing – Mike Ralph and John Macdonald
 * Rawlings – George and Alfred Rawlings
 * RE Amemiya – Asami Amemiya
 * Rebaque – Héctor Rebaque
 * Reckitt Benckiser - Isaac Reckitt and Johann Benckiser
 * Reed - Alec Reed
 * Reiter Engineering – Hans Reiter
 * Renault – Louis Renault
 * Rensi-Hamilton Racing – Ed and Sam Rensi, and Bobby Hamilton Jr.
 * REO Motor Car Company – Ransom E. Olds
 * Reuters – Paul Reuter
 * Reynard Motorsport – Adrian Reynard
 * Richard Childress Racing – Richard Childress
 * Richard Petty Motorsports – Richard Petty
 * Rickenbacker – Adolph Rickenbacher
 * Riddell – John Tate Riddell
 * Rieger Tuning – Toni Rieger
 * Riese und Müller – Markus Riese and Heiko Müller
 * Riley & Scott – Bob Riley and Mark Scott
 * Riley Motor – William Riley Jr.
 * Riley Technologies – Bob and Bill Riley
 * Rimac Automobili – Mate Rimac
 * Rimmel – Eugène Rimmel
 * Rinspeed – Frank Rinderknecht
 * Ripspeed – Keith Ripp
 * Rizzoli-Corriere della Sera – Angelo Rizzoli
 * RM Auctions – Rob Myers
 * R. M. Williams – Reginald Murray Williams
 * RML Group – Ray Mallock
 * Robert Bosch GmbH – Robert Bosch
 * Robert Yates Racing – see Yates Racing
 * Roberts Radio – Harry Roberts
 * Roche - Adèle La Roche, first wife of Fritz Hoffmann-La Roche
 * Rockefeller Group – John D. Rockefeller Jr.
 * Rockwell International, North American Rockwell, Rockwell Semiconductor – Willard Rockwell
 * Rod Millen Motorsports – see MillenWorks
 * Rod Nash Racing – Rod Nash
 * Rogers Communications – Edward S. "Ted" Rogers
 * Rogers Locomotive and Machine Works – Thomas Rogers
 * Rogers Vacuum Tube Company – Edward S. Rogers, Sr.
 * Rolls-Royce plc, Rolls-Royce Motor Cars – Charles Rolls and Henry Royce
 * Rondel Racing – Ron Dennis and Neil Trundle
 * Rootes Group (now part of Stellantis) – William Rootes
 * Rossetti Architects – Gino Rossetti and Matthew L. Rossetti
 * Rothmans – Louis Rothman
 * Roush Performance, Roush Fenway Racing – Jack Roush
 * Rowntree's – Henry Isaac Rowntree
 * RPG Group – Rama Prasad Goenka, India
 * RSA Security – Ronald Rivest, Adi Shamir, and Len Adleman
 * Rudge-Whitworth – Daniel Rudge
 * Ruf Automobile – Alois Ruf
 * Russell & Bromley – Albion Russell and George Frederick Bromley
 * Ryanair – Tony Ryan

S

 * S.C. Johnson & Son – Samuel Curtis Johnson, Sr.
 * Sainsbury's – John James Sainsbury
 * Saks Fifth Avenue – Andrew Saks
 * Saleen – Steve Saleen
 * Sam's Club – Sam Walton
 * Samsonite – Samson
 * Samuel Smith Old Brewery – Samuel Smith
 * Santoni – Andrea and Rosa Santoni
 * Sauber – Peter Sauber
 * Savoia-Marchetti – Umberto Savoia and Alessandro Marchetti
 * Sbarro (U.S. pizza restaurant chain) – Gennaro and Carmela Sbarro
 * Sbarro (Swiss automaker) – Franco Sbarro
 * Schweppes – Johann Jacob Schweppe
 * Schlecker – Anton Schlecker
 * Schnitzer Motorsport – Josef and Herbert Schnitzer
 * SCHWIND eye-tech-solutions – Herbert Schwind
 * Schwinn Bicycle Company – Ignaz Schwinn
 * Scott – Ed Scott
 * Sears – Richard Warren Sears
 * formerly Sears, Roebuck – Sears and Alvah Roebuck
 * Seeburg Corporation – Justus Sjöberg (Anglicized name)
 * Seecamp – Ludwig Wilhelm "Louis" Seecamp
 * Seedorf Racing – Clarence Seedorf
 * Selfridges – Harry Gordon Selfridge
 * Sennheiser electronic – Fritz Sennheiser
 * Shakespeare Fishing Tackle – William Shakespeare Jr.
 * Shanghai Tang – David Tang
 * Shaw Brothers Studio, Shaw Organisation – Run Run Shaw and Runme Shaw
 * Sheetz – Bob Sheetz
 * Sherwin-Williams Company – Henry Sherwin and Edward Williams
 * Shimano – Shozaburo Shimano
 * Shugart Associates – Alan Shugart
 * Shure Incorporated – Sidney Shure
 * Siemens AG – Werner von Siemens
 * Sikorsky Aircraft – Igor Sikorsky
 * Simpson Performance Products – Bill Simpson
 * Sinclair Broadcast Group – Julian Sinclair Smith
 * Sinclair Radionics, Sinclair Research, Sinclair Vehicles – Clive Sinclair
 * Singer Corporation – Isaac Merritt Singer
 * Singer Motors – George Singer
 * Skip Barber Racing School – Skip Barber
 * Škoda – Emil Škoda
 * Smirnoff – Piotr Arsenieyevich Smirnov
 * Smith and Nephew – Thomas James Smith and nephew Horatio Nelson Smith
 * Smith & Wesson – Horace Smith and Daniel B. Wesson
 * Soennecken – Friedrich Soennecken
 * Sopwith Aviation Company – Thomas Sopwith
 * Sotheby's – John Sotheby
 * Spice Engineering – Gordon Spice
 * Staedtler – Friedrich Staedtler
 * Stanley Black & Decker – Frederick Trent Stanley, S. Duncan Black, and Alonzo G. Decker
 * formerly Stanley Works, named after the aforementioned Stanley
 * Steinway & Sons – Henry E. Steinway
 * Stern – Sam Stern
 * Stewart Grand Prix – Jackie and Paul Stewart
 * Stewart Haas Racing – Tony Stewart and Gene Haas (via Haas Automation)
 * Stewart-Warner – John K. Stewart and Arthur P. Warner
 * Stihl – Andreas Stihl
 * Stillen – Steve Millen
 * Stobart Group – Eddie Stobart
 * Stockmann – Georg Franz Stockmann
 * Stone Brothers Racing – Ross and Jim Stone
 * Strömberg – Gottfrid Strömberg
 * Sturm, Ruger – Alexander McCormick Sturm and William B. Ruger
 * Stutz Motor Company – Harry C. Stutz
 * Suchard – Philippe Suchard
 * Sukhoi – Pavel Sukhoi
 * Sullivan Bluth Studios – Don Bluth and Morris Sullivan
 * Sumitomo Group – Sumitomo Masatomo
 * Super Aguri F1 – Aguri Suzuki
 * Surtees – John Surtees
 * Suzuki – Michio Suzuki
 * Swarovski – Daniel Swarovski

T

 * Taco Bell – Glen Bell
 * Taft Broadcasting – Charles Phelps Taft
 * TAG Heuer – Eduardo Heuer
 * Tamiya – Yoshio Tamiya
 * Tandy Corporation – Dave L. Tandy
 * Tanfoglio – Tanfoglio Giuseppe
 * Taser International – Thomas A. Swift's Electric Rifle
 * Tata Group – Jamsetji Tata, India
 * Tate & Lyle – Henry Tate and Abram Lyle
 * Taylor Wimpey – Frank Taylor and George Wimpey
 * Taylor Woodrow – Frank Taylor and Jack Woodrow
 * Teacher's Highland Cream – William Teacher
 * Team Goh – Kazimuchi Goh
 * Team LCR – Lucio Cecchinello
 * Ten Kate Racing – Gerrit ten Kate, named after his nephew Ronald's motorcycle dealership Ten Kate Motorcycles
 * Terrytoons – Paul Terry
 * Tesco – T.E. Stockwell and Jack Cohen
 * Tesla Motors – Nikola Tesla
 * Testor Corporation – Nils Testor
 * Tetley's Brewery (Joshua Tetley & Sons) – Joshua Tetley
 * Theakston Brewery – Robert Theakston
 * Thomas B. Jeffery Company – Thomas B. Jeffery
 * Thomas Cook Group, Thomas Cook Airlines, Thomas Cook & Son – Thomas Cook
 * The Thomson Corporation – Roy Thomson, 1st Baron Thomson of Fleet
 * Various named after Elihu Thomson:
 * Alstom
 * Thomson-CSF (now Thales Group)
 * Thomson-Houston Electric Company (now General Electric)
 * Thomson SA (now Technicolor SA)
 * Thorn Electrical Industries – Jules Thorn
 * Thorntons (British chocolatier) – Joseph William Thornton
 * Thorntons (U.S. convenience store chain) – James H. Thornton
 * Thrupp & Maberly (former coachbuilders) – George Thrupp and George Maberly
 * THX – Tomlinson Holman
 * ThyssenKrupp – Thyssen family and the Krupp family
 * Tiffany & Co. – Charles Lewis Tiffany
 * Tiffen – Sol Tiffen
 * Tim Hortons – Tim Horton
 * Timken Company – Henry Timken
 * Tinsley & Hull – Fleming Davies Tinsley and Daniel B. Hull
 * Toblerone – Theodor Tobler
 * Tokuma Shoten – Yasuyoshi Tokuma
 * Toleman – Ted Toleman
 * Tom Walkinshaw Racing – Tom Walkinshaw
 * Tommy Hilfiger – Tommy Hilfiger
 * Tommy Kaira – Yoshikazu Tomita and Kikuo Kaira
 * TOM'S – Nobuhide Tachi and Kiyoshi Oiwa (Tachi Oiwa Motor Sport)
 * Tom's of Maine – Tom and Kate Chappell
 * Toni & Guy – Giuseppe "Toni" and Gaetano "Guy" Mascolo
 * Tony Roma's – Tony Roma
 * Towers Perrin – John Towers and Charles Perrin
 * Toyota Industries – Sakichi Toyoda
 * Toyota Motor – Kiichiro Toyoda
 * Trane – James and Reuben Trane
 * Triple F Racing – Paul, Todd, and Dean Fiore
 * Trump Organization – Fred Trump
 * Trump Shuttle, Trump Entertainment Resorts, Trump Taj Mahal Casino Resort – Donald Trump
 * Tupolev – Andrei Tupolev
 * Tupperware Brands – Earl Tupper
 * Turner Broadcasting System, TNT (formerly Turner Network Television), Turner Classic Movies, Turner South (defunct pay-TV network), TBS (formerly Turner Broadcasting System) – Ted Turner
 * TVR – Trevor Wilkinson
 * TVS Motors, TVS Electronics – T.V. Sundaram Iyengar, India
 * Twinings – Thomas Twining
 * Tyrrell Racing – Ken Tyrrell

U

 * Ukrop's – Joseph Ukrop
 * Umbro – Harold and Wallace Humphreys (Humphrey Brothers)
 * Unilever – Lever Brothers

V

 * Valentino – Valentino Garavani
 * Vanwall – Tony Vandervell (and Thinwall bearings)
 * VDL Bova – J.D. Bova
 * Veilside – Hiranao Yokomaku; "yoko" translates as "side" and "maku" as "veil"
 * Vel’s Parnelli Jones Racing – Velco "Vel" Miletich and Parnelli Jones
 * Versace – Gianni Versace
 * Verville Aircraft Company – Alfred V. Verville
 * Vibram – Vitale Bramani
 * Vicks – John Vick
 * Vroom & Dreesmann – Willem Vroom and Anton Dreesmann

W

 * W.B. Mason – William Betts Mason
 * W H Smith – William Henry Smith
 * W. R. Grace and Company – William Russell Grace
 * W. W. Norton – William Warder Norton
 * Waitrose – Wallace Waite and Arthur Rose
 * Walmart – Sam Walton
 * Walgreens – Charles Rudolph Walgreen
 * Walkinshaw Andretti United – Tom Walkinshaw, Michael Andretti
 * Wall's (ice cream) and Wall's (meat) – Richard Wall
 * The Walt Disney Company – Walt Disney
 * Walther – Carl Walther
 * Walter Wolf Racing – Walter Wolf
 * Wang Laboratories – An Wang
 * Warburtons – Ellen and Thomas Warburton
 * Warner Bros. – Jack L. Warner, Sam Warner, Harry Warner, and Albert Warner
 * Wegmans – John and Walter Wegman
 * Wells Fargo – Henry Wells and William Fargo
 * Wendy's – Dave Thomas' daughter Melinda "Wendy" Thomas
 * Weslake – Harry Weslake
 * Westinghouse Electric – George Westinghouse
 * Whitbread – Samuel Whitbread
 * Whyte & Mackay – James Whyte and Charles Mackay
 * Wiesmann – Martin and Friedhelm Wiesmann
 * Wilkinson Sword – James Wilkinson
 * Wilko (formerly Wilkinson) – James Kemsey Wilkinson
 * Will Vinton Productions – Will Vinton
 * Willi Betz – Willi Betz
 * William Hill plc – William Hill
 * Williams Grand Prix Engineering – Frank Williams
 * Williams Manufacturing Company, (to) Williams Electronics – see WMS Industries
 * Williams Sonoma – Chuck Williams (author)
 * Wilson Combat – Bill Wilson
 * Winchester, Winchester Repeating Arms – Oliver Winchester
 * Winning Appliances – John Winning and the Winning family
 * WMS Industries, WMS Gaming – Harry E. Williams
 * Wolfram Research - Stephen Wolfram
 * Wood Brothers Racing – Glen, Leonard, Delano, Clay, and Ray Lee Wood
 * Woolworths – F. W. Woolworth
 * Worthington Brewery – William Worthington
 * Wright Company, Wright Aeronautical (to Wright-Martin) – Orville and Wilbur Wright
 * Wrigley Company – William Wrigley Jr.
 * Würth – Adolf Würth

Y

 * Yakovlev – Alexander Sergeyevich Yakovlev
 * Yamaha Corporation – Torakusu Yamaha
 * Yates Racing – Robert Yates
 * Yokomo – Tomoaki Yokobori (spun off from a model shop named Yokobori Model Shop)
 * Young's (now Wells & Young's Brewery) – Charles Young
 * Yuke's – Yukinori Taniguchi
 * Yves Saint Laurent – Yves Saint Laurent

Z

 * Zagato – Ugo Zagato
 * Zakspeed – Erich Zakowski
 * Zend Technologies – Zeev Suraski & Andi Gutmans
 * Zeiss – Carl Zeiss
 * Ziff Davis – William Bernard Ziff Sr. and Bernard George Davis
 * Zust – Roberto Züst