Heating installer in
Diepoldsau

5 companies in Heating installer based in Diepoldsau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 5 companies in Diepoldsau

Urs Spirig Heizung und Sanitär AG Logo

Urs Spirig Heizung und Sanitär AG

Since 2003 · 1–10 empl.5.0(3)

Urs Spirig Heizung und Sanitär AG plans, installs, renovates and maintains heating, plumbing and ventilation systems, as well as solar thermal and photovoltaic systems. Its services include consulting, repairs and maintenance for new and existing buildings.

Heating installerPlumbingHeatingSolar systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
Marco Bösch GmbH Logo

Marco Bösch GmbH

Since 2021 · 1–10 empl.

Heating installer
No score yetHZ

H.R. Zellweger AG

Since 1995 · 1–10 empl.

Heating installer
No score yetWW

WWS Wärme- Wassertechnik AG

Since 2021 · 1–10 empl.

Heating installer
No score yetÖG

Öko-Haustechnik GmbH

Since 2023 · 1–10 empl.

Heating installer
No score yet

Heating installer in Diepoldsau

5Heating installerCommercial register (Zefix) · as of November 15, 2026
2021Median year of registrationCommercial register (Zefix) · as of November 15, 2026
299in the Canton of St. GallenCommercial register (Zefix) · as of November 15, 2026
5,147in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Heating installer in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026

Largest places

St. Gallen28Wil SG12St. Margrethen SG9Buchs SG8Oberuzwil8Au SG7Oberriet SG7Gossau SG7Jona7Widnau6
Industry axis

Heating installer in other places

Heating installer across Switzerland
St. Gallen28Wil SG12St. Margrethen SG9Buchs SG8Oberuzwil8Au SG7Oberriet SG7Gossau SG7Jona7Widnau6Goldach6Wittenbach6Abtwil SG6Flawil6Niederuzwil5

By canton

Canton of Zurich723Canton of Bern552Canton of Vaud512Canton of Aargau394Canton of St. Gallen299Canton of Valais295Canton of Ticino279Canton of Fribourg252Canton of Lucerne235Canton of Geneva220Canton of Basel-Country196Canton of Thurgau176Canton of Solothurn174Canton of Grisons171Canton of Zug112Canton of Neuchâtel105Canton of Schwyz104Canton of Jura72Canton of Appenzell Outer Rhodes41Canton of Schaffhausen39Canton of Obwalden25Canton of Glarus24Canton of Nidwalden23Canton of Uri15Canton of Appenzell Inner Rhodes14
Place axis

Other industries in Diepoldsau

All companies in Diepoldsau
Holding company32Management consultant31Real estate company22Property developer18Online shop18Wholesale18Transport company15Mechanical engineering14Software developer12Property management12Car dealership12Architect11Carpenter11Accountant11IT service provider11Cleaning company11Garage10Painter10Engineer9Freight forwarder9Construction manager8Plasterer8Photovoltaics8Real estate agent8Building contractor7Textile manufacturer7Restaurant7Coach6Civil works6Interior fit-out6Window construction6Plumber6CNC machining6General goods production6Metal processor6Continuing education provider6Food wholesaler6Textile wholesaler6Farm5Product designer5Machine repair5Facade construction5Timber construction5Tiler5Beauty salon5Hairdresser5Bakery5Advertising agency5