Civil works in
Oberriet SG

Bruno Mattle AG

Since 2010 · 21–50 empl.·5.0(8)

The core activities of Bruno Mattle AG include the following services: excavation and civil engineering, demolition of buildings, hydraulic engineering and environmental protection (e.g. construction of dams for flood protection or natural ponds), gravel processing (with mobile screening plant), and environmental work (e.g. implementation of customer requests and projects). The company thus offers a wide range of services in the fields of construction and environmental technology.

Wüst Herbert AG

Since 1999 · 1–10 empl.

Wüst Herbert AG carries out pipeline and industrial installation work. The activities listed on its website include pipeline construction, service-station construction, tank systems and district heating.

E. Thurnherr AG, Altstätten, Zweigniederlassung Oberriet SG

Since 2014 · 1–10 empl.

E. Thurnherr AG, Altstätten, Zweigniederlassung Oberriet SG works in road construction and civil engineering. Its activities also include garden design, transport, snow clearing, recycling and waste disposal.

Kluser Oberriet AG

Since 2011 · 21–50 empl.·5.0(2)

Kluser Oberriet AG is a construction company specialising in road and civil engineering. Its services include utility and sewer construction, specialist foundation engineering, earthworks, demolition, soil improvement and the recovery of excavated material.

KÜHNIS AG

Since 1974 · 1–10 empl.·5.0(4)

KÜHNIS AG is a construction company working in building construction and civil engineering. Its services include residential, industrial and agricultural buildings, drainage and pipeline construction, road substructures, bridges, renovations and piling work.

Marquart AG

Since 1999 · 1–10 empl.·5.0(1)

The core activity of Marquart AG is the execution of construction contracts, particularly in the fields of civil engineering, road construction, hydraulic engineering, environmental design, demolition and on-site concrete construction. The company carries out construction work in secured quality and on schedule, focusing on continuity and reliability.

Schlegel Tankanlagen & Rohrleitungsbau AG

Since 2007 · 1–10 empl.·5.0(1)

Schlegel Tankanlagen & Rohrleitungsbau AG plans and builds filling stations and tank installations, supplying complete systems, tanks, dispensers and piping. Its services include prefabrication, installation, maintenance and repair, as well as pipeline construction for industrial and wastewater treatment facilities and plant and apparatus engineering.

K. + R. Schöb GmbH

Since 2026 · 1–10 empl.