C. Kensington (4)
C.G. Hallbergs Guldsmedsaktiebolag (3)
Carl Johan Schoultz (3)
Clinton Engines Corporation (3)
C. Olsen (2)
Carl Edward Johansson CEJ (2)
Carta Mundi (2)
Chrysler Corporation (2)
Cupika Ky (2)
C. Leyton (1)
C. P. Dyrendahl (1)
C. Plath (1)
C.F. Swensson (1)
C.G. Pettersson (1)
C.W. Faulkner & Co. (1)
CTH Ericson (1)
Cannon (1)
Carl Axel Strandberg (1)
Carl Boman (1)
Catcose (1)
Cauldon Ltd (1)
Central Tryckeriet Stockholm (1)
Charles Curry (1)
Charles Heiss LTD (1)
Chicago Pneumatics Tool Co (1)
Chinon Industries Inc. (1)
Clarke Engineering Company (1)
Coalport (1)
Columbia phonograph Company (1)
Cornand & C:e (1)
Coventry-Victor Motor Company (1)
Cronmatch (1)
Crown & Anchor Society (1)