2 Companies in Au SG

Bruno Eugster AG is a Swiss development partner and manufacturer based in Au SG, founded in 1968, specialising in plastic injection moulding components and assemblies. Its core competencies span design, mould and tool making, material selection and component assembly. The company processes standard plastics such as PE, PP, PS and ABS, technical plastics including PA, POM, PET, PBT, PC, PMMA, TPE and TPU, and high-performance plastics such as PEEK, PPS and PEI. It contributes application and process engineering knowledge early in customer projects, supporting competitiveness through integrated development and production of moulded parts.

Interferenz FWT AG is a Swiss SME based in Au SG that has provided complete solutions from a single source for more than 50 years. Its main strengths lie in developing and manufacturing custom optical devices, including laser assemblies, optical assemblies, and vacuum assemblies. Four competencies are networked under one roof: opto-mechanical assemblies, mechanical production, and surface treatment, enabling work from prototype through series production. As an OEM supplier, the company assembles modules and optical systems, if required under cleanroom conditions following cleanroom-compatible component cleaning. High automation in its facilities supports economical series production. Offerings also include precision mechanics and optical designs.