Specialized Construction Activities in the
Canton of St. Gallen

Bichler + Partner AG

Since 2013 · 11–20 empl.·5.0(15)

Bichler + Partner AG provides services in building technology, automation, IT and household appliances. Its offerings include electrical installations, building automation, photovoltaics, heating and e‑mobility solutions plus smart‑home systems, together with IT and network services, video surveillance, and sales, installation and repair of household appliances.

Bichler + Partner AG

Since 2013 · 11–20 empl.·5.0(15)

Bichler + Partner AG provides building-technology, IT and automation services as well as household-appliance sales and service, covering planning, installation, maintenance and repair. Services include heating and energy systems, photovoltaic and storage systems, smart‑home and e‑mobility installations, network and surveillance solutions, and control-cabinet construction.

Ammann + Thürlemann AG Fassadentechnik

Since 2000 · 51–100 empl.·4.6(22)

The core activity of Ammann & Thürlemann AG (A&T) is the planning, design, manufacture and installation of facades for buildings. The company offers a comprehensive range of services, from planning and design to plate processing, sheet metal processing and locksmithing, to the installation of facades.

Bichler + Partner AG

Since 2019 · 11–20 empl.·5.0(15)

Bichler + Partner AG provides services in building technology, IT, industrial automation and household appliances. Offerings include planning, installation, maintenance and repair for areas such as building automation, photovoltaics, e‑mobility charging, network and server solutions, video surveillance and control cabinet construction, as well as appliance sales and service.

A. Diem AG

Since 1995 · 11–20 empl.·4.3(33)

The core activity of A. Diem AG is the powder coating, painting and processing of metal parts for various industries such as industry, construction and private customers. This also includes sandblasting and the application of paints and coatings on different materials.

Burlet-Immo GmbH

Since 2011 · 1–10 empl.·4.7(12)

The core activity of Burletbau includes the planning, construction and installation of: 1. Facades (facade construction), 2. Solar systems (photovoltaic systems), and 3. Sheet metal processing (metalworking). The company thus offers services in the construction and metal industries, with a focus on renewable energy and building envelopes.

Ibatec AG

Since 1986 · 11–20 empl.·4.5(17)

The core activity of Ibatec AG includes the planning, implementation and maintenance of swimming pool facilities, as well as the coating and rehabilitation of tank facilities and containers. This also includes the manufacture and assembly of glass fibre reinforced grid gratings and profiles, as well as the execution of pipeline construction work. The company also offers services in the field of water treatment, swimming pool service and repairs.

Bichler + Partner AG

Since 2020 · 11–20 empl.·5.0(15)

Bichler + Partner AG is a company providing building services engineering, IT and automation and a house‑appliances business; it delivers planning, installation, maintenance and repair services as well as products and systems for photovoltaics, smart‑home, e‑mobility, security and network infrastructure.

Stieger Ofenbau AG

Since 1993 · 1–10 empl.·4.8(8)

Stieger Ofenbau AG designs, manufactures and installs stoves, fireplaces and stove systems for whole-house heating. The company also provides tile and wall cladding installations, metalwork services, outdoor fire features, and planning with 3D visualizations, including delivery and assembly.

UBM Bischofberger GmbH

Since 2004 · 1–10 empl.·5.0(16)

UBM Bischofberger GmbH provides crane work, transport services and glass installation. The company uses truck cranes, crawler and mini cranes and transport vehicles for crane-assisted assemblies, glass replacements and related transport tasks.

Ivo Giger AG

Since 1999 · 1–10 empl.·4.4(15)

The core activity of Ivo Giger AG is the manufacture, assembly and servicing of shutters and roller shutters, including slat shutters, roller shutters, vertical awnings, interior shading systems and insect screens.

Stieger Heizungen

Since 1999 · 1–10 empl.·4.8(8)

The core activity of Stieger Ofenbau is the manufacture and construction of ovens, fireplaces, soapstone ovens, chimney ovens, whole-house heating systems, as well as related products and services such as tile cladding, wall cladding, metalwork and outdoor fireplaces.

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.

ABT Elsener GmbH Kanalreinigungen & Sanierungen

Since 2001 · 1–10 empl.·4.0(13)

The core activity of ABT Elsener GmbH is sewer rehabilitation and sewer cleaning, including related services such as sewer TV inspection, tightness testing, robotic rehabilitation, shaft rehabilitation and various rehabilitation methods (e.g. Inliner rehabilitation, Kurzliner rehabilitation, Flutgel process).

Dosch GmbH

Since 2021 · 1–10 empl.·5.0(9)

The core activity of dosch gmbh is the 3D surveying of buildings, landscapes and other objects using terrestrial laser scanners and drones. The services include the creation of accurate plans, inventory surveys, condition documentation and 3D models for various fields of application such as building surveying, facade and roof surveying, landscape and environmental planning as well as mining and tunnel construction.

Walo Bertschinger AG Ostschweiz

Since 1971 · 101–500 empl.

Walo Bertschinger AG Ostschweiz is a total construction company providing services across construction markets, including road and civil engineering, rail construction, concrete remediation, water engineering, building construction, landfill and remediation, and seamless floor coverings. The company also offers material processing, laboratory services, photovoltaics and real estate development.

Walo Bertschinger AG Ostschweiz

Since 1972 · 1–10 empl.

Walo Bertschinger AG Ostschweiz is a branch of Walo Bertschinger that provides construction and infrastructure services. Its offerings include road and civil engineering, wall and floor coverings and related construction services.

Walo Bertschinger AG Ostschweiz

Since 1984 · 1–10 empl.

Walo Bertschinger AG Ostschweiz is a construction total contractor providing services including road and civil engineering, water engineering, rail construction, concrete repair and wall and floor coverings.

Intemann AG

Since 1988 · 51–100 empl.

The company provides services and solutions in the field of building technology and industrial systems, including planning, maintenance, service, ventilation/climate control, renewable energy, energy resource management, and prefabrication. It supports customers in optimizing their systems and processes to achieve a sustainable and efficient solution.

S. Keller AG

Since 1992 · 11–20 empl.

The core activities of S. Keller AG include: * The manufacture and distribution of mailbox systems * The development and construction of safe rooms and safe room equipment. The core activities of the subsidiary Halos Logistics AG include: * The rental of storage space to third parties. The core activities of the subsidiary Halos Invest AG include: * The acquisition and development of properties, in particular the construction of multi-family houses.

IPG Technik GmbH

Since 1992 · 11–20 empl.

The core activity of IPG Technik GmbH is the construction of petrol stations and the development and distribution of manhole covers, in particular the original SERMATIC® manhole covers, which are designed for use in petrol stations.

Vetsch Hans

Since 1997 · 1–10 empl.

Vetsch Hans is listed on the Wässerten AG website as the contact for real estate and office matters; the site describes services such as natural stone walls, landscaping, crane work/transports and natural stone trading.

KOWA Baumontagen AG

Since 1997 · 51–100 empl.

KOWA Baumontagen AG provides planning, fabrication and assembly services and operates an in-house metalworking shop. Offerings include installations for storage and conveyor systems, shopfitting, mast and antenna assembly, container assembly, steel and metal construction, and fabrication/installation of stairs, railings, balconies and floor/underfloor channels. The company also supplies piping works, coating services, maintenance and height-access work.

Belicontrol GmbH

Since 1997 · 1–10 empl.

The core activity of Belicontrol GmbH is building drying and the prevention of building damage, particularly in the area of 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.

Niederer + Pozzi Umwelt AG

Since 2002 · 11–20 empl.

The company provides services in the field of environmental technology and hydraulic engineering, particularly in the areas of: * Flood protection and natural hazard management * Revitalization of water bodies * Environmental technology * Bed load and driftwood management * Water use and hydrology The company offers a wide range of services, including: * Numerical modeling * Flood risk assessments * Expert consulting and expertise * Planning * Data collection and visualization The company specializes in developing sustainable solutions that are ecologically, socially, and economically viable.

Fürer AG

Since 2004 · 21–50 empl.

Fürer AG is a service provider in the field of building technology and energy efficiency. The core activities include consulting and planning, new construction and renovation, heating system renovation, customer service and maintenance of building technology systems, including heating, cooling, ventilation and air conditioning, sanitary and solar/photovoltaic systems.

fiorio fassadentechnik gmbh

Since 2005 · 1–10 empl.

The core activity of Fiorio Fassadentechnik GmbH is the planning and realization of facade, glass and metal construction projects, in particular for various types of buildings such as schools, industrial buildings, shopping centers, office and administrative buildings, residential buildings and various other construction projects.

Geo-Hoehenarbeit AG

Since 2007 · 21–50 empl.

Geo-Hoehenarbeit AG carries out rope-supported and industrial rope-access work, including rock-engineering, dismantling, specialist carpentry and maintenance on bridges, façades and roofs. The company also installs fall-protection and safety nets, supplies and advises on personal protection equipment, and provides training courses for rope access and PSAgA.

Monobeton Speck AG

Since 2009 · 1–10 empl.

The core activity of Monobeton Speck AG is the processing of monobeton, specifically the smoothing and troweling of concrete on construction sites, primarily for construction companies.

Fado Gewerbebau GmbH

Since 2009 · 1–10 empl.

The core activity of fado Gewerbebau GmbH encompasses steel and metal construction, particularly the planning, consulting and execution of: steel structures for industrial and commercial halls, facade construction, including ventilated facades, post-and-beam facades and sandwich elements, metal construction, including the manufacture of doors, windows, railings and stairs made of steel and aluminum, sheet metal work, including the cladding of roofs and walls with sheet metal and panels, consulting and planning of construction projects in the field of steel and metal construction.

Toldo Rückbau AG

Since 2010 · 11–20 empl.

Toldo Rückbau AG performs demolition, interior demolition and earthworks as well as contaminated-site remediation. Services include analysis and consulting, implementation according to certified processes, processing and recycling of recovered construction materials, and proper disposal of contaminated soil and construction waste.

VAS AG

Since 2010 · 11–20 empl.

The core activity of VAS AG is the development, manufacture and distribution of products for civil engineering and construction, particularly in the fields of geotechnics, formwork technology, prestressing technology and reinforcement technology.

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.

Mariacher Montagen GmbH

Since 2011 · 1–10 empl.

The core activity of Mariacher Montagen is the execution of assemblies and installations for containers.

Graf Markus, Bau + Baumontagen

Since 2011 · 1–10 empl.

The core activity of Graf Baumontagen is the provision of services in the field of assembly work, carpentry and renovation work for private and commercial customers. This includes in particular: assembly work of all kinds, such as roller shutters, entrance doors, kitchens and other built-in units; carpentry work, such as kitchen installations, cabinets and repair work; renovation work in the outdoor area, such as the design of seating areas and garage entrances; and the installation of sun and weather protection systems, such as aluminum window shutters, sun awnings and roller shutters. The company positions itself as a versatile provider for all types of construction and assembly work around the house, offering high-quality services with modern equipment and Swiss quality products.

Wässerten AG

Since 2012 · 1–10 empl.

Wässerten AG constructs natural stone walls and performs landscaping and garden/grounds works. The company also provides crane services and specialised transports and operates a natural stone trading business (boulders, broken stone, granite, etc.).

Vertical Pro GmbH

Since 2014 · 1–10 empl.

The core activity of Vertical Pro GmbH is consulting, training, installation, inspection and maintenance of fall protection systems and PSAgA (Personal Protective Equipment against Falls) for companies. This also includes the sale of top-quality brands for fall protection equipment and the performance of inspections and maintenance of PSAgA systems.