Plumber in
Trogen

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

Companies

All 6 companies in Trogen

Hofer Sanitär GmbH Logo

Hofer Sanitär GmbH

Since 1999 · 1–10 empl.5.0(7)

Hofer Sanitär GmbH carries out plumbing installations, including work on bathrooms, showers, new builds, renovations and refurbishments. Its services also cover heating systems and water supply infrastructure, such as pipelines, household connections and water treatment facilities.

Heating installerPlumbing installationsHeating installationsWater supply
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
Thür Heizungen AG Logo

Thür Heizungen AG

Since 1991 · 1–10 empl.

The core activity of Thür Heizungen AG is the planning, installation, maintenance and repair of heating systems of all kinds, including conventional systems such as oil heating systems as well as systems with renewable energies such as heat pump systems, photovoltaic and solar systems.

PlumberNo identifiable offerings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Welz Wasser- und Energietechnik AG Logo

Welz Wasser- und Energietechnik AG

Since 2013 · 1–10 empl.

Welz Wasser- und Energietechnik AG advises on, plans and installs heating and plumbing systems as well as building services solutions. Its services include heat pumps, district heating, controlled residential ventilation, heat and cooling exchange systems, and maintenance work.

Air conditioningHeating installationsSanitary installationsClimate systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Bergmichi GmbH Logo

Bergmichi GmbH

Since 2019 · 1–10 empl.5.0(3)

Bergmichi GmbH provides mountain guiding and industrial climbing services. Its services also include sheet-metal and plumbing work, specialist tree felling, and tree climbing.

PlumberSheet-metal and sanitary workSpecialised tree fellingTree climbing
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #4
PK

Peter Knöfler Spenglerei und sanitäre Anlagen

Since 2001 · 1–10 empl.

Plumber
No score yet
BH

Bischof Heizungen und Sanitär AG

Since 2012 · 1–10 empl.

Heating installer
No score yet

Plumber in Trogen

6PlumberCommercial register (Zefix) · as of November 15, 2026
2012Median year of registrationCommercial register (Zefix) · as of November 15, 2026
54in the Canton of Appenzell Outer RhodesCommercial register (Zefix) · as of November 15, 2026
6,065in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Plumber in the region

Point size by number of companies per place.

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