Plumbing & Building Services in St. Margrethen SG

Companies

All 13 companies in St. Margrethen SG

WWS Wärme- Wassertechnik AG

Since 1978

Heating installationsPlumbing installationsPipelines construction

View profile4.9(21)

GRAVAG Energie AG

Since 1979

Natural Gas SupplyBiogas SupplyLiquefied Gas Services

View profile2.4(8)

Walter Bösch AG

Since 1983

Air handling unitsRefrigeration engineeringBuilding automation

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HPA Handel-Planung-Ausführung AG

Since 1992

Drinking water, buffer and combination tankSmall-series manufacturingProduct registration

View profile4.5(15)

TGS Technischer Gebäude Service AG

Since 2015

Building Technology ServiceEnergy SystemsTGS Connect

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LAMBDA Schweiz GmbH

Since 2021

Air/Water Heat Pumps (LAMBDA EUREKA)Service Contract for Heat PumpsTechnical Documents and Commissioning Documents

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ROHRFIX GmbH

Since 2026

Pipe cleaningPipe inspectionPipe rehabilitation (Spraylining)

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HA

Hörburger AG Luft- und Klimatechnik

Since 1989

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WH

Walter Hepp GmbH

Since 2016

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PE

Prusevic EMPRU Haustechnik

Since 2017

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BC

Buhmann Consulting

Since 2017

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NH

Neptun Haustechnik GmbH

Since 2023

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RG

RohrTech GmbH

Since 2025

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Plumbing & Building Services in St. Margrethen SG

13Plumbing & Building ServicesCommercial register (Zefix) · as of September 23, 2026

2016Median year of registrationCommercial register (Zefix) · as of September 23, 2026

529in the Canton of St. GallenCommercial register (Zefix) · as of September 23, 2026

8,055in SwitzerlandCommercial register (Zefix) · as of September 23, 2026

Locations

Plumbing & Building Services in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

St. Gallen68 Jona19 Buchs SG18 Wil SG18 Gossau SG14 Flawil13 Au SG12 Altstätten SG10 Wittenbach10 Oberuzwil10

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Other industries in St. Margrethen SG

All companies in St. Margrethen SG

Restaurants30 Logistics & Transport Companies27 Property Management21 Automotive & Vehicle Trade20 Management Consulting19 Facility Management & Cleaning16 Wholesale - General Specialty Trade16 Real Estate Project Development15 Interior Construction13 Painting & Plastering13 Hair Salons13 Holding Companies13 Technical Consulting & Engineering12 IT Consulting & Services12 Wholesale - Machinery & Technical Equipment11 Metal Construction10 Beauty Salons10 Mechanical Engineering Industry10 Online Shops10 Other Service Industries9 Fiduciary Offices9 Trade Fair & Event Organizers8 Electrical Planning & Installation8 Flooring & Tiling8 Auto Repair Shops8 Retail - Health & Cosmetics8 Vehicle Rental7 Joinery7 Financial Services7 Food Processing7 Textile & Clothing Industry7 Advertising Agencies7 Wholesale - Textiles & Clothing7 Building Maintenance6 Solar & Photovoltaics6 Printing Companies6 Software Development6 Real Estate Brokerage6 Retail - General Specialty Trade6 Construction & Project Management5 Timber Construction & Carpentry5 Tattoo & Piercing Studios5 Retail - Machinery & Technical Equipment5 Wholesale - Construction & Raw Materials5 Wholesale - Health & Cosmetic Products5 Travel Agencies5

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Plumbing & Building Services inSt. Margrethen SG

All 13 companies in St. Margrethen SG

Plumbing & Building Services in the region

Plumbing & Building Services in other places

Other industries in St. Margrethen SG

Plumbing & Building Services in
St. Margrethen SG