Major Harmonica Manufacturers

Seydel Klingenthal, Germany
Widest range of types & tunings, excellent mail order service
Hohner Trossingen, Germany
Best known and easiest to buy over the counter
Lee Oskar Tombo, Japan
Popular for blues and its range of altered tunings
Suzuki Hamamatsu Japan
Wide range including a half-valved 10 hole
Hering Blumemau, Brazil
Some good budget priced models
Huang Shanghai, China
Make many low price models for others as well as own range
Bushman New Palestine, IN, USA
Standard 10 holes with phosphor bronze reeds

Australian On-line suppliers of Harmonicas

bmusic Gawler, SA
Big range, good service, will order in
Ozwinds Ormond, Vic
Good range competitive prices
Blue Tongue Hornsby, NSW
Sales & lessons
 

If there are any other deserving suppliers that have...

A good ordering interface, including available keys etc
A big range, competitive prices and excellent service

Let me know & I will check them out
I don't need a vast list of same, same

  Custom Harmonicas suitable for Celtic styles

Neil Graham Tilba, NSW - Australian customizer, mainly 10 hole
Worked with Jim Conway & Tony Eyres
Brendan Power England - Specializes in Celtic harmonicas
Outstanding player, originator of Paddy Richter tuning

International Harmonica suppliers

Harmonicas Direct Yorkshire, UK
Big range, good service, fair prices, check if the Australian sites don't have what you want
Hobgoblin UK
wide rang of folk instruments. All the usual harmonicas & budget Chinese Jambone & Brazilian Hering
Coast to Coast Ellicot City, MD, USA
Wide range and lots of information & reviews

Only listed if they have something Australian sites don't