Plumbing & Building Services in
Rorschach
9 companies in Plumbing & Building Services based in Rorschach — name and year of registration from the commercial register. The list below shows them all.
Companies
All 9 companies in Rorschach
Mayer Haustechnik AG
Since 2003
Sanitary installationsBathroom planning and bathroom renovationSheet metal work
View profile4.9(38)
Hydro Plus Engineering GmbH
Since 2012
Building Services Engineering DesignEnergy Concepts and ConsultingSolar Installations
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DINAG GmbH
Since 2014
Sanitary installationsHeating installationsBathroom and kitchen renovations
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R. Forster Spenglerei-Sanitär
Since 2018
ConsultingSanitary RefurbishmentsSheet-metal Work
View profile5(2)
Comoltech Comolli
Since 2023
HLS consulting, planning and specialist supervisionHeat generation system designHeat distribution system design
View profile
MGMarktplatz Garage GmbH
Since 1996
View profile
ASApp Sanitär-Technik
Since 1997
View profile
KTKEK Technik GmbH
Since 2022
View profile
AHARI Haustechnik GmbH
Since 2022
View profile
Plumbing & Building Services in Rorschach
9Plumbing & Building ServicesCommercial register (Zefix) · as of September 23, 2026
2014Median 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
Industry axis
Plumbing & Building Services across SwitzerlandPlumbing & Building Services in other places
St. Gallen68Jona19Buchs SG18Wil SG18Gossau SG14St. Margrethen SG13Flawil13Au SG12Altstätten SG10Wittenbach10Oberuzwil10Widnau9Goldach9Sargans9Uznach8Rapperswil SG8Sennwald7Abtwil SG7Eschenbach SG7Rorschacherberg6Bad Ragaz6Mels6Flums6Niederuzwil6Benken SG6Diepoldsau5Berneck5Balgach5Rheineck5Thal5Oberriet SG5Staad SG5Mörschwil5Grabs5Schwarzenbach SG5Bütschwil5
By canton
Canton of Zurich1,172Canton of Bern780Canton of Vaud766Canton of Aargau586Canton of St. Gallen529Canton of Geneva490Canton of Ticino460Canton of Valais428Canton of Lucerne363Canton of Fribourg340Canton of Basel-Country301Canton of Thurgau286Canton of Solothurn240Canton of Grisons233Canton of Zug183Canton of Schwyz169Canton of Neuchâtel155Canton of Jura92Canton of Schaffhausen79Canton of Appenzell Outer Rhodes71Canton of Nidwalden50Canton of Glarus40Canton of Obwalden38Canton of Uri22Canton of Appenzell Inner Rhodes16
Place axis
All companies in RorschachOther industries in Rorschach
Restaurants59Property Management36Management Consulting31Fiduciary Offices28Cultural & Educational Organizations26Hair Salons23Holding Companies23Real Estate Project Development22IT Consulting & Services20Real Estate Brokerage20Online Shops19Advertising Agencies18Wholesale - General Specialty Trade18NGOs & NPOs17Retail - Textiles & Clothing17Painting & Plastering16Coaching & Personal Development15Recruitment & HR Consulting15Technical Consulting & Engineering14Trade Fair & Event Organizers14Beauty Salons14Retail - General Specialty Trade14Catering14General Contractors13Software Development13Facility Management & Cleaning12Automotive & Vehicle Trade12Construction & Project Management11Other Service Industries10Electrical Planning & Installation10Flooring & Tiling10Building Maintenance9Solar & Photovoltaics9Retail - Food & Luxury Items9Repair of Consumer Goods8Financial Services8Insurance Brokerage & Consulting8Architecture Firms7Interior Construction7Joinery7Metal Construction7Psychiatry & Psychotherapy7Continuing Education Institutes7Retail - Bicycles & Sports Equipment7Clubs, Bars & Event Venues7Photography6Building Construction6Horticulture & Landscaping6