Truls H. Toggenburger

Misapor AG manufactures and sells foam glass applications. Its foam glass gravel is used in the thermal insulation under foundation slabs, lightweight aggregate, roof insulation, slope reinforcement, soil exchange, frost foundations and use in cement mixtures. The firm's wall bags are used in the building construction and vertical insulation in cellars. The company was founded in 1982 and is headquartered in Landquart, Switzerland.

Toggenburger AG operates cement and gravel factories. It also provides services such as excavation works and demolition works. The firm also operates landfills. The company was founded by Emil Toggenburger in 1928 and is headquartered in Winterthur, Switzerland.

Optimo Service AG provides service solutions in the areas of production, logistics, and data management. It services include international and warehouse logistics, national transportations, maintenance, information technology, tools sharpening, riveting tools, and occupational safety. The company was founded in 2001 and is headquartered in Winterthur, Switzerland.