production and manufacturing

Erich Keller AG is a Swiss company with a production site in Sulgen, Thurgau canton. The machinery is state of the art. This lets the company guarantee the best quality and cost-effective implementation as well as adherence to the agreed delivery dates. Our long-standing employees take responsibility for their work and realise projects with skill and passion. The processing and combination of a wide range of materials with wood – including in new and unusual ways – drives us to deliver outstanding results.


– Superbly trained specialists
– Extensive know-how in the processing of a wide range of materials.
– Producing from data (CIM, CAP and CAM)
– State-of-the-art production facilities
– Short lead times
– Just-in-time production
– Quality management system certified to ISO 9001 / ISO 14001