Ammann Group Holding AG (stylized as ΛMMΛNN) 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.[1]
As of 2012, the company employs a workforce of about 3,400. It is incorporated in Bern, but its offices are located in Langenthal (canton of Bern).[2]
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. In the 1980s, Ammann Group expanded to Germany and France (joint-venture with Yanmar 1989), and currently has production facilities in eight locations, Langenthal in Switzerland, Alfeld (Leine) and Hennef in Germany, Verona in Italy, Nové Město nad Metují in the Czech Republic, Shanghai in China, Gravatai in Brazil and