André Bioley, Yverdon (1926-1987)
G. Olivier, La Tour-de-Peilz (information wanted)
Schaffhauser Keramik
Frick Keramik
Jakob Stucki, Langnau
Willy Steinlin, St. Gallen
Heimberg Pottery
Various: Clarens Pottery/Valcera - Wallis
Claude Albana-Presset (1934)
Orchis, Lausanne
Sylvia Pernet (information wanted)
Lanz pottery, Gwatt
Haas brothers, Schaan (Friedrich Haas)