Plumbing & Building Services in Widnau

Companies

All 9 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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Gebrüder Amann GmbH

Since 2012

HeatingPlumbingClimate & Ventilation

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B+S Projekt GmbH

Since 2015

Construction managementGeneral contractorProject development

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PN

Pooltech Nüesch

Since 2018

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EG

eqtec gmbh

Since 2024

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RU

Rhein Umbau GmbH

Since 2024

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BG

BALIE GmbH

Since 2026

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Plumbing & Building Services in Widnau

9Plumbing & Building ServicesCommercial register (Zefix) · as of September 24, 2026

2015Median year of registrationCommercial register (Zefix) · as of September 24, 2026

529in the Canton of St. GallenCommercial register (Zefix) · as of September 24, 2026

8,053in SwitzerlandCommercial register (Zefix) · as of September 24, 2026

Locations

Plumbing & Building Services in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 24, 2026

Largest places

St. Gallen68 Jona19 Buchs SG18 Wil SG18 Gossau SG14 St. Margrethen SG13 Flawil13 Au SG12 Altstätten SG10 Wittenbach10

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Other industries in Widnau

All companies in Widnau

Property Management63 Real Estate Project Development57 Management Consulting45 Holding Companies44 Real Estate Brokerage39 IT Consulting & Services34 Wholesale - General Specialty Trade25 Automotive & Vehicle Trade23 Technical Consulting & Engineering22 Building Maintenance21 Architecture Firms20 Restaurants20 General Contractors17 Painting & Plastering17 Mechanical Engineering Industry17 Wholesale - Machinery & Technical Equipment17 Coaching & Personal Development16 Construction & Project Management16 Metal Construction16 Hair Salons15 Software Development15 Facility Management & Cleaning15 Advertising Agencies14 Auto Repair Shops14 Online Shops14 Logistics & Transport Companies14 Beauty Salons13 Medical Technology Industry13 Other Service Industries12 Interior Construction12 General Goods Production11 Retail - Textiles & Clothing11 Building Construction10 Electrical Planning & Installation10 Retail - Food & Luxury Items10 Recruitment & HR Consulting9 Trade Fair & Event Organizers9 Horticulture & Landscaping9 Sealing & Insulation9 Flooring & Tiling9 Joinery9 Solar & Photovoltaics9 Fiduciary Offices9 Metal Industry9 Textile & Clothing Industry9 Retail - General Specialty Trade9 Photography8 Repair of Machinery & Electronic Devices8

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Plumbing & Building Services inWidnau

All 9 companies in Widnau

Plumbing & Building Services in the region

Plumbing & Building Services in other places

Other industries in Widnau

Plumbing & Building Services in
Widnau