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

Kelair GmbH

Since 2002

Design of ventilation and air-conditioning systemsInstallation of ventilation and air-conditioning systemsService and maintenance of ventilation and air-conditioning systems

View profile4.6(20)

SCAN-PRO AG

Since 2012

Ventilation unitsSmoke extractorsFans

View profile2.3(3)

BSH Group GmbH

Since 2017

Backup and RecoveryIT Rollout SupportIT Asset and License Management

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Alpina Klimatechnik GmbH

Since 2018

Air conditioners for homeAir conditioners for offices and commercial spacesServer room cooling

View profile4.9(116)

Climax Swiss GmbH

Since 2016

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Zamzam Consulting GmbH

Since 2005

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AS2 Lüftung GmbH

Since 2021

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ZellArktis GmbH

Since 2025

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Specialized Construction Installations in Altendorf

8Specialized Construction InstallationsCommercial register (Zefix) · as of September 23, 2026

2017Median year of registrationCommercial register (Zefix) · as of September 23, 2026

101in the Canton of SchwyzCommercial register (Zefix) · as of September 23, 2026

3,357in SwitzerlandCommercial register (Zefix) · as of September 23, 2026

Locations

Specialized Construction Installations in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

Schindellegi10 Einsiedeln8 Siebnen7 Lachen SZ6 Reichenburg5 Pfäffikon SZ5 Wollerau5 Seewen SZ5 Küssnacht am Rigi5

Place axis

Other industries in Altendorf

All companies in Altendorf

Management Consulting116 Holding Companies112 Property Management105 Real Estate Project Development78 IT Consulting & Services60 Real Estate Brokerage54 Software Development43 Technical Consulting & Engineering35 Fiduciary Offices32 Coaching & Personal Development29 Wholesale - General Specialty Trade27 Trade Fair & Event Organizers25 Advertising Agencies25 General Contractors24 Financial Services23 Construction & Project Management22 Wholesale - Machinery & Technical Equipment22 Mechanical Engineering Industry21 Restaurants20 Automotive & Vehicle Trade19 Recruitment & HR Consulting18 Logistics & Transport Companies18 Auto Repair Shops17 Architecture Firms16 Other Service Industries14 Building Maintenance14 Textile & Clothing Industry13 Online Shops13 Building Construction12 Flooring & Tiling12 Administrative Services11 Research & Development11 Web Portals & Platform Companies11 Wholesale - Health & Cosmetic Products11 Electrical Planning & Installation10 External Asset Management10 Food Processing10 Continuing Education Institutes10 Facility Management & Cleaning10 Private Equity & Venture Capital9 Catering9 Specialized Construction Activities8 Plumbing & Building Services8 Sports & Recreation Instruction8 Solar & Photovoltaics8 Electrical Industry8 Retail - General Specialty Trade8 Travel Agencies8

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Specialized Construction Installations inAltendorf

All 8 companies in Altendorf

Specialized Construction Installations in the region

Specialized Construction Installations in other places

Other industries in Altendorf

Specialized Construction Installations in
Altendorf