DIAGER was founded in 1953 in Paris as a small producer of cutting tools. In 1968 it moved to Poligny, Jura region. The industrial site was progressively developed with the construction of new buildings.In the 70s Diager was already represented in 50 countries. The first digitally controlled tool was designed and constructed by Diager. In 1992 Diager became the first European manufacturer of concrete drills to obtain ISO 9002 and also ISO 14001 (a certificate based on the respect for the environment).