Kobelt AG is a general contractor based in Marbach SG with over 3,000 satisfied customers. The company provides comprehensive services in construction, renovation, and timber construction. Since 2016, Kobelt has also offered specialized renovation services through its Umbau division, supporting property owners in developing their homes with individualized and thoughtful solutions.

Virobas GmbH, located at Schillerstrasse 9 in St. Gallen, specializes in general carpentry work, assemblies, renovations, property maintenance, and care of real estate. The company is active in the production and processing of wooden goods.