Plumbing & Building Services in
Widnau

6 companies in Plumbing & Building Services based in Widnau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 6 companies in Widnau

IMT Armaturen AG

Since 1972

Valves for heating, sanitary and solar installationsShut-off valvesSafety and filling valves

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Gebr. Lüchinger AG

Since 1980

Heating installations, service and modernizationHeat pump systemsVentilation systems

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Maichen Tankschutz GmbH

Since 2010

Tank inspection / tank cleaningTank rehabilitationDismantling

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B+S Projekt GmbH

Since 2015

Construction managementGeneral contractorProject development

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Gebrüder Amann GmbH

Since 2018

HeatingPlumbingClimate & Ventilation

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Pooltech Nüesch

Since 2018

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Plumbing & Building Services in Widnau

6Plumbing & Building ServicesCommercial register (Zefix) · as of August 26, 2026

2015Median year of registrationCommercial register (Zefix) · as of August 26, 2026

419in the Canton of St. GallenCommercial register (Zefix) · as of August 26, 2026

6,597in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Plumbing & Building Services in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

St. Gallen52 Jona17 Wil SG14 Au SG12 Buchs SG11 Flawil11 Gossau SG10 St. Margrethen SG9 Altstätten SG9 Rorschach8

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Other industries in Widnau

All companies in Widnau

Property Management27 Real Estate Project Development24 Management Consulting21 Holding Companies21 Real Estate Brokerage20 IT Consulting & Services19 Architecture Firms18 Automotive & Vehicle Trade16 Metal Construction14 Hair Salons14 Mechanical Engineering Industry14 Restaurants14 Medical Technology Industry12 Technical Consulting & Engineering11 Painting & Plastering11 Online Shops11 Construction & Project Management10 General Contractors10 Beauty Salons10 Software Development10 Metal Industry9 Advertising Agencies9 Auto Repair Shops9 Retail - Textiles & Clothing9 Wholesale - Machinery & Technical Equipment9 Interior Construction8 Electrical Planning & Installation8 Logistics & Transport Companies8 Building Construction7 Building Maintenance7 Horticulture & Landscaping7 Flooring & Tiling7 Solar & Photovoltaics7 Fiduciary Offices7 Textile & Clothing Industry7 Retail - Food & Luxury Items7 Hotels7 Coaching & Personal Development6 Photography6 Specialized Construction Installations6 Wellness & SPA Facilities6 Electrical Industry6 General Goods Production6 Packaging Industry6 Facility Management & Cleaning6 Retail - Health & Cosmetics6 Recruitment & HR Consulting5 Civil Engineering Firms5