ZEISS NEUTRA SA in Osogna was founded in 1975 as a manufacturer of precast concrete sewage treatment plants, for which it is still to this day the leader in Canton Ticino. The company, a member of the MUELLER STEINAG group, offers a full range of products for construction, civil engineering, outdoor furniture under the CREABETON brand, no 1 in Switzerland both in terms of quality and customer service. You can find everything you need with us! Check out our complete catalog. Services LANDSCAPING AND GREEN DESIGN ROAD CONSTRUCTION, ABOVE AND BELOW GROUND NOISE PROTECTION RAILWAY CONSTRUCTION SEWAGE TREATMENT PLANTS