Specialized Construction Installations in
Altendorf

8 companies in Specialized Construction Installations based in Altendorf — name and year of registration from the commercial register. The list below shows them all.

Companies

All 8 companies in Altendorf

Alpina Klimatechnik GmbH Logo

Alpina Klimatechnik GmbH

Since 2018 · 11–20 empl.4.7(152)

The core activity of Alpina Klimatechnik GmbH is the planning, installation, maintenance and repair of air conditioning systems, refrigeration and climate control systems, air dehumidification and air purification systems for residential and commercial spaces, server rooms, wine cellars and other special applications. The company also offers custom-made products and accessories for climate control devices and has a 365-day emergency service for malfunctions and maintenance.

Specialized Construction InstallationsAir conditioners for homeAir conditioners for offices and commercial spacesServer room cooling
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Kelair GmbH Logo

Kelair GmbH

Since 2002 · 11–20 empl.4.6(20)

The core activity of Kelair GmbH is the planning, execution and maintenance of ventilation and air conditioning systems in various industries, including residential construction, industry, commerce, trade, hospitality, swimming pools and public buildings.

Specialized Construction InstallationsDesign of ventilation and air-conditioning systemsInstallation of ventilation and air-conditioning systemsService and maintenance of ventilation and air-conditioning systems
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Climax Swiss GmbH Logo

Climax Swiss GmbH

Since 2016 · 1–10 empl.

Specialized Construction Installations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
BSH Group GmbH Logo

BSH Group GmbH

Since 2017 · 1–10 empl.

The core activity of BSH Group GmbH encompasses providing solutions and services in the following three main areas: 1. **Monitoring**: Monitoring of private and commercial properties or public spaces using high-resolution, optionally encrypted systems, including motion analysis, visitor flow measurement, and POS analysis. 2. **Communication Solutions**: Interactive communication at and across various locations nationally and worldwide, including presentations, webinars, team meetings, and project discussions. 3. **Lighting Systems**: LED in- and outdoor systems tailored to each customer's individual needs. The company also offers services such as planning, installation, and maintenance to support customers in implementing and maintaining these solutions.

Specialized Construction InstallationsBackup and RecoveryIT Rollout SupportIT Asset and License Management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
SCAN-PRO AG Logo

SCAN-PRO AG

Since 2012 · 1–10 empl.2.3(3)

The core activity of Scan-Pro AG is the marketing and distribution of controlled ventilation systems, in particular products from the brands EXHAUSTO, Aldes and exodraft, which ensure efficient and healthy indoor air quality in various areas such as residential buildings, offices, schools, restaurants and hotels.

Specialized Construction InstallationsVentilation unitsSmoke extractorsFans
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #5
ZC

Zamzam Consulting GmbH

Since 2005 · 1–10 empl.

Specialized Construction Installations
No score yet
AL

AS2 Lüftung GmbH

Since 2021 · 1–10 empl.

Specialized Construction Installations
No score yet
ZG

ZellArktis GmbH

Since 2025 · 1–10 empl.

Specialized Construction Installations
No score yet

Specialized Construction Installations in Altendorf

8Specialized Construction InstallationsCommercial register (Zefix) · as of October 11, 2026
2017Median year of registrationCommercial register (Zefix) · as of October 11, 2026
104in the Canton of SchwyzCommercial register (Zefix) · as of October 11, 2026
3,516in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Specialized Construction Installations in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026