- Haake, Karl
- Haddorff
- Haegele of Aalen
- Haessler
- Hagspiel
- Hahn, Alb.
- Hain, Stephan
- Haines Bros.
- Hailun
- Halle & Voight
- Hallet, Davis & Co.
- Hallett & Cumston
- Hallett, Russell
- Hals
- Hamburger
- Hamilton
- Hammond
- Hampton
- Hanlet
- Hannon Hall
- Hansen, A.
- Hansen, Julius
- Hansmann, Gebr.
- Hardman
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- Harrison, V. F.
- Hartge, Henry
- Hartmann, W.
- Harvard
- Harwood
- Hasche
- Hasselaar
- Hasseldieck, Dietrich
- Hastings
- Hauch, J.B.
- Hausmann
- Hautrive
- Hayelson
- Hayt, Babcock & Appleton
- Hayts, Babcock & Appleton
- Hazelton & Brother
- Hazelton Brothers
- Healy
- Hedke, Wilh.
- Hegeler
- Heiden, Carl Von
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- Hellas
- Hellström
- Helmholz
- Heppel & Theilig
- Hermann
- Herrburger
- Herrmann, Alexander
- Herz, Henri
- Herz neveu (Philippe)
- Heyl, Gustav
- Hillgärtner, Heinrich
- Hindsberg
- Hinze
- Hlucháň
- Hobart M. Cable
- Hoek
- Hoepfner
- Hoerr, Franz
- Hoffmann, August
- Hoffmann, Georg
- Hoffmann, W.
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- Hoffmann & Kühne
- Hofmann
- Hofmann & Czerny
- Hofmann, Karl
- Hofmann & Scholz
- Hohner
- Hölling & Spangenberg
- Holzl & Heitzmann
- Hoff & Co.
- Hopkinson
- Hornung & Moeller
- Hörügel
- Howard
- Howard Piano Co.
- Hummel
- Hundt & Sohn
- Hupfeld
- Hupfer Pianos
- Humphrey, London
- Hyfte, van C.
- Hyundai
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