Sulzer: Bioplastics Sulzer, a Swiss industrial engineering and manufacturing firm, was founded in 1834 by Johann Jakob Sulzer in Winterthur, Switzerland. In recent years, Sulzer has increasingly directed its attention towards sustainable technologies, with a notable emphasis on bioplastics. A significant proportion of the bioplastics production is based on technology developed by Sulzer and as such it is a key global player and stakeholder in the bioplastics market. Sulzer: Bioplastics