Heinz Dudli

Rhätische Bahn AG operates narrow gauge railways in Switzerland. It provides leisure, commuter and freight transport services. The firm also offers rental of various housing properties along the railway lines. The company was founded in 1888 and is headquartered in Chur, Switzerland.

Edy Toscano AG provides engineering and consultancy services. It specializes in projects in the areas of construction, information technology, automation, security, water, energy, and transportation. The company was founded by Edy Toscano in 1959 and is headquartered in Zurich, Switzerland.