Civil Engineering in
Diepoldsau

6 companies in Civil Engineering based in Diepoldsau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 6 companies in Diepoldsau

MELAG GmbH Strassen- und Tiefbau Logo

MELAG GmbH Strassen- und Tiefbau

Since 1998 · 1–10 empl.4.3(6)

The core activity of Melag GmbH is road and civil engineering, including excavation, site preparation and environmental works.

Civil Engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
J. Meyer Strassenbau GmbH Logo

J. Meyer Strassenbau GmbH

Since 1996 · 1–10 empl.5.0(4)

The core activity of J. Meyer Strassenbau GmbH encompasses road and civil engineering, including the construction and renovation of roads and squares, the laying of sewage and meteorological lines, the execution of environmental works and landscaping, as well as the construction of utility lines.

Civil EngineeringRoads & squaresSewerage & stormwater drainageSite works & landscaping
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #2
Weder Logo

Weder

Since 1998 · 1–10 empl.

The core activity of A. Weder Bauunternehmung is the execution of construction projects in the fields of civil engineering, structural engineering, renovation and refurbishment of residential and ancillary buildings, including the construction of single-family and multi-family homes, extensions, excavation work, pipeline and sewer installation, surfacing work, forecourt, parking and retaining wall construction, as well as renovations and refurbishments of residential buildings and individual rooms.

Building Construction
No score yet
CT

Christof Thurnherr GmbH

Since 2014 · 1–10 empl.

Civil Engineering
No score yet
RU

Reparatur- und Sanierungstechnik Nord AG, Zweigniederlassung Diepoldsau

Since 2016 · 1–10 empl.

Civil Engineering
No score yet
KO

Kluser Oberriet AG, Zweigniederlassung Diepoldsau

Since 2020 · 1–10 empl.

Civil Engineering
No score yet

Civil Engineering in Diepoldsau

6Civil EngineeringCommercial register (Zefix) · as of October 6, 2026
2014Median year of registrationCommercial register (Zefix) · as of October 6, 2026
314in the Canton of St. GallenCommercial register (Zefix) · as of October 6, 2026
3,396in SwitzerlandCommercial register (Zefix) · as of October 6, 2026
Locations

Civil Engineering in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 6, 2026