Bauindustrie in Steyr (Stadt)

+43 (0)732 38905-0 office@h-f.at http://www.h-f.at

+43 4762620 0 0663/9101239 pr@bauholding.at https://www.strabag.at

+43 (0732) 69 71-0 office@swietelsky.at http://www.swietelsky.at