Ammann

Ammann Group Holding AG is a Swiss mechanical engineering company specialised on machines for the building industry and road construction. The group of companies employs around 3,000 people and generated sales of CHF 900 million in 2020.
As of 2012, the company employs a workforce of about 3,400. It is incorporated in Bern, but its offices are located in Langenthal.
The company is a family business founded in 1869 by Jakob Ammann. Ammann developed an internal-combustion powered Road roller in 1911. From 1931, the company also acted as representative of Caterpillar Inc. in Switzerland.