Civil Engineering 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 pipe construction and provides services for gas 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 is a construction company offering road construction, civil engineering, garden landscaping and transport services. Services include excavation and sewer works, slope stabilization, natural stone walls, demolition, recycling and snow clearing.

Kluser Oberriet AG

Since 2011 · 21–50 empl.·5.0(2)

The core activity of Kluser Oberriet AG is road and civil engineering, including specialized services such as special foundation work, environmental work, demolition, earthwork, hydraulic engineering, recycling, construction services and shaft construction.

KÜHNIS AG

Since 1974 · 1–10 empl.·5.0(4)

Kühnis AG is a construction company specializing in sustainable energy production and environmentally friendly construction projects. It generates energy using solar power and feeds excess energy into the grid. The company also offers consulting services in this field.

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)

The core activity of Schlegel Tankanlagen & Rohrleitungsbau AG is the planning, prefabrication, assembly and maintenance of tank station systems, pipelines and shaft covers for the construction of filling stations, industry and sewage treatment plants. The company offers complete system solutions for the construction of filling stations, including the installation of fuel systems, pipeline construction and plant and equipment construction.

K. + R. Schöb GmbH

Since 2026 · 1–10 empl.