イギリス
- Pianoforte Tuners’ Association
- H.J.Fletcher & Newman Ltd.
- Piano parts and tools supplier in England.
- Kawai UK Ltd.
- Coach House Pianos
- Largest quality piano retailer in the UK and over 300 pianos including Bösendorfer, Steinway & Sons, Bechstein, KAWAI, YAMAHA.
ドイツ
- Alfred Jahn GmbH & Co. KG
- Piano parts and tools supplier in Germany.
- HELLERBASS
- Produce high quality bass strings in Germany.
日本
- Progress Co.,Ltd.
- Very skilled piano workshop in Japan.
- Itoshin Musical Incorporated
- Piano parts and tools supplier in Japan.
- Yamaha Music Tokyo/Ginza
香港
- Parsons Music Ltd.
- Kawai, Seiler, Fazioli dealer in Hong Kong