Civil Engineering in
Gossau SG

HASTAG St. Gallen Bau AG, Zweigniederlassung Gossau

Since 2002 · 21–50 empl.·4.7(18)

HASTAG St. Gallen Bau AG, Zweigniederlassung Gossau provides civil engineering (Tiefbau) services and operates a concrete plant and a transfer/handling site. The HASTAG group also offers specialist deep foundation work, geothermal (ground-source) services, aggregates (kies) and waste disposal.

Alder-Zani AG

Since 1981 · 11–20 empl.·4.2(10)

The core activity of Alder-Zani AG is road construction and civil engineering.

HOLENSTEIN AG, Bauunternehmung

Since 1973 · 11–20 empl.·5.0(1)

The core activity of Holenstein AG is construction, particularly in the areas of: building construction, civil engineering, renovations and extensions, customer work, and skip container services. The company thus offers a wide range of construction services, from new buildings to renovations and refurbishments to specialized services such as skip container services.

Rohner Erdbau AG

Since 2025 · 1–10 empl.

Rohner Erdbau AG provides services in earthworks and landscaping. Its service portfolio includes new installations, planting, and paving work.

Depko AG

Since 2004 · 1–10 empl.

Stybohr GmbH

Since 2007 · 1–10 empl.

Baucon Schweiz AG

Since 2024 · 1–10 empl.