Civil Engineering in
Sevelen

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

Companies

All 6 companies in Sevelen

Toldo Strassen- und Tiefbau AG Logo

Toldo Strassen- und Tiefbau AG

Since 1995 · 11–20 empl.4.9(8)

Toldo Strassen- und Tiefbau AG provides construction services in road and civil engineering as well as underground and utility line works. Its services include natural stone and paving work, landscaping, demolition/earthworks, construction material recycling and the construction of sports facilities such as tennis courts and multifunctional courts.

Civil EngineeringRoad constructionUnderground and utility pipeline constructionSite development
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Risch reinigt Rohre AG Logo

Risch reinigt Rohre AG

Since 2011 · 11–20 empl.

Risch reinigt Rohre AG provides sewer and pipe cleaning services, including CCTV inspection, sewer rehabilitation, spraylining, street cleaning, cesspit and septic-tank cleaning, skip (mulde) services, and waste disposal/recycling. The company also operates a 24/365 emergency service for blockages, flooding and hazardous spills.

Civil EngineeringSewer cleaningSewer rehabilitationSewer inspection with camera
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
L. Spreiter AG., Hoch- & Tiefbau, Sevelen/SG Logo

L. Spreiter AG., Hoch- & Tiefbau, Sevelen/SG

Since 1967 · 11–20 empl.4.5(11)

L. Spreiter AG is a construction company specializing in building construction and civil engineering. The core activities include planning, execution and renovation of various construction projects, such as single-family homes, multi-family homes, industrial and commercial buildings, public buildings, agricultural buildings, civil engineering, utility lines, sewage systems, springs and water supply, bridges and guardrails.

Building ConstructionBuilding constructionCivil engineeringRenovation & refurbishment
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Foser AG Sevelen Logo

Foser AG Sevelen

Since 1974 · 1–10 empl.5.0(1)

Foser AG Sevelen is a family-owned construction company offering road construction, building construction, civil engineering and paving, producing aggregates and concrete, and applying the RSS liquid‑fill (Flüssigboden) process.

Building ConstructionRoad constructionBuilding constructionCivil engineering
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #4
Dutler Bau GmbH Logo

Dutler Bau GmbH

Since 1998 · 1–10 empl.

The core activity of Dutlerbau GmbH encompasses the realization of high-rise buildings, the execution of civil engineering works, as well as the implementation of demolition and dismantling projects.

Building Construction
No score yet
GN

Gebrüder Nef GmbH

Since 2016 · 1–10 empl.

Civil Engineering
No score yet

Civil Engineering in Sevelen

6Civil EngineeringCommercial register (Zefix) · as of October 10, 2026
1998Median year of registrationCommercial register (Zefix) · as of October 10, 2026
314in the Canton of St. GallenCommercial register (Zefix) · as of October 10, 2026
3,399in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Civil Engineering in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026