Rotor is a design cooperative that investigates the organisation of the material environment.

RotorDC is the place to buy salvaged building components. They source, process and sell reuse materials and building elements.

useagain.ch is an online marketplace for building materials, a connection hub of experts, and an information source of simple solutions for avoiding waste and reusing materials. useagain is an important player in Switzerland, driving reuse and a more sustainable construction industry.

Wick Reuse AG is the initiating firm behind Wiederverwekle and Roto Baumarkt. Wiederverwerkle salvages valuable construction elements, components, materials, machines and anything else that can be reused or repurposed without the loss of quality. A wide range of this material is offered for sale at the Roto Baumarkt store in Winterthur-Hegi.

baubüro in situ has been involved in the conversion, appropriation and renovation of buildings and the reuse of architectural elements for more than 25 years. The name of the firm indicates that they do not practise architecture from the office, but they are a construction firm which builds on site.

Component exchanges markets store building components that have been dismantled and repaired to promote component reuse and circular construction. They are called Bauteilbörsen in German-speaking Switzerland.