Specialized Construction Activities in
St. Gallen

Sanitär LaGo GmbH

Since 2005 · 1–10 empl.·5.0(6)

The core activity of Sanitär LaGo GmbH is the installation, renovation and maintenance of sanitary facilities, heating systems and industrial technology in Eastern Switzerland. This includes in particular: sanitary installations (e.g. renovation or conversion of bathrooms), heating system installations and maintenance, industrial technology (without further specification), and a 24-hour repair service for pipe blockages, heating system failures and water damage.

AS Aufzüge AG

Since 1999 · 21–50 empl.

AS Aufzüge AG provides planning, installation, modernization and maintenance services for passenger, goods and small-item lifts. The company supports multi-brand installations and offers spare-parts logistics, a 24/7 fault-response service and digital planning tools.

Detectro GmbH

Since 2010 · 1–10 empl.

The core activity of Detectro GmbH is leak detection and pipe location, particularly for water and gas pipes, as well as loss detection in pipeline systems. Modern electronic measuring devices are used to efficiently and precisely detect leaks and pipe positions. The company also offers consulting services and measuring devices from leading manufacturers.

Blum Schweiz GmbH

Since 2016 · 1–10 empl.

Blum Schweiz GmbH provides IT services and develops database and software solutions based on FileMaker Pro, including FileMaker Go for mobile access. It supports Mac and mixed environments, uses Synology NAS, and implements iOS/macOS and cloud integrations, and develops solutions for market changes such as the ISDN phase-out and ISO‑20022.

Roman von Schulthess GmbH

Since 2019 · 1–10 empl.

Roman von Schulthess GmbH is a mountain guide and tandem pilot. Services include guided mountain and rock-climbing tours, ski tours and paragliding tandem flights; the website lists base rates (e.g. mountain guide: CHF 800/day) and tandem flight prices (e.g. approx. 15 min gliding: CHF 190).

HAUG Sauer Kompressoren AG

Since 1949 · 51–100 empl.

HAUG Sauer Kompressoren AG manufactures oil-free and gas-tight piston compressors and other air and gas compressors for industrial applications. The company provides OEM compressor solutions and customer services including commissioning, maintenance, repair, spare parts and technical support.

WirCon GmbH

Since 2017 · 1–10 empl.

The core activity of WirCon GmbH is the planning, assembly and installation of various types of sun protection and window solutions, including awnings, roller shutters, roller blinds, interior louvre shutters, patio roofs and insect screens.

HDS Bautenschutz GmbH

Since 2019 · 1–10 empl.·5.0(5)

The core activity of HDS GmbH is the provision of structural protection services, particularly in the areas of: * Floor care and protection (cleaning, maintenance, repair and renovation of floors) * Sealing (crack and joint sealing, surface sealing, groundwater sealing/injections, pool and pond sealing) * Concrete repairs (renovation of damaged or aging concrete) * Static reinforcements (reinforcement of the load-bearing capacity of existing concrete structures with CFRP strips) * Coatings (aesthetic, functional and weather-resistant coatings for floors and walls) The company offers these services for the interior, exterior and industrial sectors and advises customers on site to jointly develop the best solution for their concerns.

K + K Fassaden AG

Since 1991 · 1–10 empl.·4.7(6)

The core activity of K&K Fassaden AG is the planning and execution of ventilated facade claddings for new buildings, renovations and refurbishments.

OPUSFIT GmbH

Since 2016 · 1–10 empl.·5.0(3)

The core activity of OPUSFIT GmbH, also operating under the name Bohr24, is concrete cutting technology, particularly the cutting of concrete, reinforced concrete and masonry using high-performance diamond tools, as well as drilling and sawing of concrete.

RAN GmbH

Since 2023 · 1–10 empl.·5.0(1)

The core activity of RAN GmbH is facade construction, specifically the planning, consulting and execution of facades, roofs and halls in St. Gallen and its surroundings.

DAWAG AG

Since 2025 · 11–20 empl.

DAWAG AG is a roofing and facade construction company. It plans, coordinates and carries out work on flat and pitched roofs, facade cladding, roof windows, roof repairs and setting-out services for construction projects.