Zünd Präzisionsoptik AG and Optivac AG in Diepoldsau combine plan optics, micro-optics and optical coating expertise under one roof. For over 50 years, we have manufactured high-precision compact and micro prisms, filters, mirrors and custom bonding systems for medical technology, industry, metrology, laser optics and telecommunications. Optivac provides 200+ coating processes, from anti-reflective layers to mirror and beamsplitter coatings. With cutting-edge technology and Swiss precision, we deliver prototypes and high-volume production.

Meine Mutter (90) hat sich bei Ebneter Optik eine neue Brille gekauft. Die Beratung und Information war sehr angenehm und würde dieses Geschäft gerne weiterempfehlen.

Keller + Hofer AG is a trusted provider of heating and sanitary solutions. The company specializes in efficient heating systems, heat pumps, solar and wood-based technologies, as well as high-quality sanitary installations. Services include planning, installation, modernization, maintenance, repairs, and emergency support for new builds and renovations. The focus: reliable, sustainable building technology delivered with technical expertise, clean execution, and strong customer commitment.