Astin-Weight
August Forster
Auking
Baldwin
Bechstein
Bergman
Bluthner
Bohemia
Bosendorfer
Boston
Breitmann
C. Bechstein
Carl Ebel
Charles R. Walter
Conn
Conover Cable
D. H. Baldwin
Essex
Estonia
Everett
Falcone
Fazioli
George Steck
Grotrian
Gulbransen
Haessler
Hallet Davis
Hamilton
Hazelton Bros.
Hobart M. Cable
Irmler
Kawai
Kemble
Klima
Kohler & Campbell
Mason & Hamlin
Noridiska
Palatino
Pearl River
Perzina
Petrof
Pianova
Pleyel
Pramberger
Remington
Ritmuller
Royale
Samick
Schimmel
Schulze Polmann
Seiler
Sohmer
Sohmer & Company
Steingraeber & Son
Steinway & Sons
Story & Clark
Suzuki
Volgel
Weber
Weinbach
WM. Knabe
Yamaha
Young Chang