Kember, Stephen – StephenT. P. Kember ltd – Specialist in antique cylinder and disc musical boxes restoration service.

Hack, Dick – Manufacturer of rolls for the Mills Violano. Restorer of mechanical musical instruments.

Eric, Kathleen/Christian – Specialists in the professional restoration of quality musical pieces.

Dream Factory – Retonio Breitenmoser – Semi-annual auctions held in Swizterland.

DeBence Museum – Lynn Zilmer – The See and Hear Museum.