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- Haro Bikes - USA, owns the Masi brand.
- Harry Quinn - UK (defunct)
- Hase bikes - Germany
- Head - Norway, managed by SykkelSport Engros
- Helkama - Finland
- Heinkel - Germany (defunct)
- Henley Bicycle Works - USA (defunct)
- Hercules - UK (defunct)
- Hercules - Germany
- Hero Cycles Ltd - India
- René Herse - France
- Hetchins - UK
- Hillman - UK (defunct)
- Hoffmann - Germany (defunct)
- Holdsworth - UK (defunct)
- Huffy - USA
- Humber - UK (defunct)
- Hurtu - France (defunct)
- Husqvarna - Sweden (no longer a bicycle manufacturer)
Read more about this topic: List Of Bicycle Brands And Manufacturing Companies