Window construction in
Diepoldsau

6 companies in Window construction based in Diepoldsau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 6 companies in Diepoldsau

Bruno Frei-Kuster AG Logo

Bruno Frei-Kuster AG

Since 1996 · 1–10 empl.5.0(58)

Bruno Frei-Kuster AG carries out carpentry and timber construction work, including the installation of windows and other joinery. Its services include windows, doors, shutters, gates, sun protection, interior fitting, custom-made furniture, installation and maintenance.

Timber constructionWindowsDoorsShutters
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
EgoKiefer AG Logo

EgoKiefer AG

Since 1932 · 101–500 empl.4.2(21)

EgoKiefer AG offers windows, balcony and sliding doors, and entrance doors made from wood, plastic and aluminium. Its services include accessories, advice, delivery, installation, maintenance and repairs.

Window constructionWindowsFront doorsSliding doors
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
AZ

ADI Zargen- & Fenstermontagen GmbH

Since 2005 · 1–10 empl.

Window construction
No score yetTI

TTF Immobilien GmbH

Since 2012 · 1–10 empl.

Window construction
No score yetE-

eco - fenster / Domzalski

Since 2018 · 1–10 empl.

Window construction
No score yetSF

Sahin Fenstertechnik

Since 2020 · 1–10 empl.

Window construction
No score yet

Window construction in Diepoldsau

6Window constructionCommercial register (Zefix) · as of November 15, 2026
2012Median year of registrationCommercial register (Zefix) · as of November 15, 2026
113in the Canton of St. GallenCommercial register (Zefix) · as of November 15, 2026
1,414in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Window construction in the region

Point size by number of companies per place.

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

Largest places

St. Gallen17
Industry axis

Window construction in other places

Window construction across Switzerland
St. Gallen17

By canton

Canton of Ticino168Canton of Bern130Canton of Zurich126Canton of Aargau125Canton of St. Gallen113Canton of Vaud110Canton of Thurgau84Canton of Lucerne73Canton of Valais71Canton of Basel-Country59Canton of Fribourg46Canton of Geneva46Canton of Solothurn42Canton of Neuchâtel33Canton of Grisons32Canton of Zug30Canton of Schwyz26Canton of Appenzell Outer Rhodes21Canton of Jura18Canton of Schaffhausen9Canton of Obwalden7Canton of Glarus6Canton of Appenzell Inner Rhodes5Canton of Uri5Canton of Nidwalden5
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-out6Plumber6CNC machining6General goods production6Metal processor6Continuing education provider6Food wholesaler6Textile wholesaler6Farm5Product designer5Machine repair5Facade construction5Timber construction5Heating installer5Tiler5Beauty salon5Hairdresser5Bakery5Advertising agency5