Colt International Limited

For 75 years Colt has been providing healthy, comfortable and safe working conditions in both industrial and commercial buildings. Colt's products and services are so designed that people can live and work within an environment where they feel safe and comfortable.

 

D+H Mechatronic AG

With over 35 years of manufacturing experience in smoke and heat vent systems, natural ventilation systems as well as automatic driving systems for windows, D+H is one of the leading providers of innovative ventilation and smoke extraction concepts in modern buildings.