Stolz

About

Founded in 1962, Stolz is a private headquartered in Bludenz, Austria with approximately 500-1000 employees specializing in Solar, Biomass, Geothermal.

Stolz is a family-owned building services company founded in 1962 by Markus Stolz. Operating across Austria with over 800 employees and 15 branch locations, it is the country's largest commercial installation company for building and house technical systems. The company serves private, public, and industrial sectors. Stolz positions itself as a pioneer in alternative and regenerative energy, offering photovoltaic systems, biomass, heat pumps, and geothermal energy installations alongside traditional heating, sanitation, climate control, and electrical services. The company operates a specialized switchboard manufacturing workshop and provides 24/7 emergency service and maintenance. With 121 apprentices, it operates Austria's largest vocational training program in the building trades.