Allreal Home AG Allreal Office AG Allreal Toni AG Allreal Vulkan AG Allreal West AG Apalux AG Hammer Retex AG Eggbühlstrasse 15, 8050 Zürich | | Allreal Generalunternehmung AG Eggbühlstrasse 15, 8050 Zürich Viaduktstrasse 42, 4051 Basel Zieglerstrasse 53, 3007 Bern Sinserstrasse 67, 6330 Cham Gaiserwaldstrasse 14, 9015 St. Gallen | | Hammertor AG Hammer Retex AG Sinserstrasse 67, 6330 Cham |