Plumber in
Widnau

9 companies in Plumber based in Widnau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 9 companies in Widnau

Gebrüder Amann GmbH Logo

Gebrüder Amann GmbH

Since 2012 · 11–20 empl.5.0(39)

The core activity of Gebrüder Amann GmbH is the planning, installation and maintenance of building technology systems, particularly in the areas of heating, plumbing, ventilation and renewable energies. The company offers comprehensive solutions for private, commercial and industrial customers, from consulting and planning to execution and project support.

PlumberHeatingPlumbingClimate & Ventilation
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
B+S Projekt GmbH Logo

B+S Projekt GmbH

Since 2015 · 1–10 empl.5.0(43)

B+S Projekt GmbH provides construction consultancy, construction management and general contracting services, and supports project development, residential and commercial construction, renovations and land transactions.

General contractorConstruction managementGeneral contractorProject development
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
IMT Armaturen AG Logo

IMT Armaturen AG

Since 1972 · 51–100 empl.

The core activity of IMT ARMATUREN AG is the development, manufacture and distribution of valves and fittings, particularly for the heating, sanitary, solar and industrial sectors. The company produces a wide range of products, including safety valves, non-return valves, pressure reducing valves, shut-off valves and filters, which are used in various industries such as construction, industry and energy production.

PlumberValves for heating, sanitary and solar installationsShut-off valvesSafety and filling valves
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Maichen Tankschutz GmbH Logo

Maichen Tankschutz GmbH

Since 2010 · 1–10 empl.5.0(5)

The core activity of Maichen Tankschutz GmbH encompasses the execution of tank revisions, tank refurbishments and tank dismantling, including the cleaning and maintenance of tank facilities, as well as the adaptation and repair of tanks according to customer specifications.

PlumberTank inspection / tank cleaningTank rehabilitationDismantling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Gebr. Lüchinger AG Logo

Gebr. Lüchinger AG

Since 1980 · 1–10 empl.5.0(4)

The core activity of Gebr. Lüchinger AG is the planning, installation and maintenance of sanitary facilities, heating systems and ventilation systems. The company offers comprehensive services in these areas, including consulting, planning, execution and service, to provide efficient and innovative solutions for building technology systems.

MetalworkHeating installations, service and modernizationHeat pump systemsVentilation systems
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #5
PN

Pooltech Nüesch

Since 2018 · 1–10 empl.

Plumber
No score yet
EG

eqtec gmbh

Since 2024 · 1–10 empl.

Engineer
No score yet
RU

Rhein Umbau GmbH

Since 2024 · 1–10 empl.

Renovation
No score yet
BG

BALIE GmbH

Since 2026 · 1–10 empl.

Construction manager
No score yet

Plumber in Widnau

9PlumberCommercial register (Zefix) · as of November 5, 2026
2015Median year of registrationCommercial register (Zefix) · as of November 5, 2026
532in the Canton of St. GallenCommercial register (Zefix) · as of November 5, 2026
8,138in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Plumber in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026