Building installation in the
Canton of St. Gallen
234 companies in Building installation based in the Canton of St. Gallen — name and year of registration from the commercial register.
50 of 234 companies

SYMA-SYSTEM AG
Since 1967 · 51–100 empl.4.6(20)
SYMA-SYSTEM AG, based in Kirchberg SG, is a Swiss provider of trade fair construction and modular aluminum system technology. SYMA plans and implements individual as well as modular trade fair booths, stand construction and space concepts for exhibitors and organizers. The range of services extends from consulting, design and technical planning to production, logistics, assembly and storage. In addition, SYMA develops and distributes its own modular aluminum systems for trade fair construction, events, showrooms, museums, display cases and industrial applications. Projects are implemented in Switzerland and internationally.
Klarer Fenster AG
Since 1965 · 51–100 empl.4.8(37)
The company's core activity is the production and distribution of windows and doors made from various materials such as wood, metal and plastic.
bbinsektenschutz GmbH
Since 2007 · 1–10 empl.5.0(88)
The bb insektenschutz GmbH company offers insect protection solutions for windows, doors, and light shafts. The core activities include: on-site consulting and measurement, installation of insect protection products such as fly screens, swing doors, roller shutters, and cat nets, repair and maintenance of insect protection products, and sales of insect protection products such as fly curtains, indoor pleats, and insect sprays. The company offers a wide range of insect protection solutions and focuses on consulting, installation, and maintenance of insect protection products for private customers.
Visuell-Akustik AG
Since 2006 · 11–20 empl.4.8(28)
Visuell-Akustik AG plans, sells and installs sound, video and multimedia systems for public buildings, businesses and private customers. Its services also include conference technology and assistive listening systems for hearing-aid users.
SYMA INTERCONTINENTAL AG
Since 1970 · 51–100 empl.4.6(20)
SYMA INTERCONTINENTAL AG provides exhibition stand construction and modular stand systems, offering design, rental and sale of stands as well as profile-based products such as showcases, lighting and ready-made furniture for events.
Stebro AG
Since 1993 · 11–20 empl.4.9(27)
The core activity of Stebro AG is the planning, installation and maintenance of gate and drive products, particularly garage doors, front doors, frames and drives of the Hörmann brand. The company also offers a 24-hour emergency service and distributes additional products such as machine houses and garden boxes.
Litex AG
Since 1959 · 21–50 empl.4.4(34)
The core activity of LITEX AG is the development and implementation of advertising technology solutions, particularly in the field of outdoor and indoor advertising, including illuminated advertising, digital signage, screen printing, industrial solutions, rebranding, and service and maintenance. The company offers a wide range of services, from consulting and planning to the implementation and maintenance of advertising media, as well as the complex handling of advertising and rebranding projects.
HiFi - TV Kirchhofer AG
Since 2007 · 1–10 empl.4.8(31)
The company HiFi-TV Kirchhofer AG primarily deals with the planning, consulting, installation, and maintenance of audio and video technology as well as surveillance systems for various application areas, including: private homes (image, sound, music in all rooms, music on the go), business premises (business, technology, meeting and conference rooms, trade and commerce), churches and public institutions (churches, sports and leisure facilities), and surveillance systems (surveillance, internet and WLAN, reception technology). The company also offers rental equipment and performs repairs and digitization.
Feuz Gebäudetechnik GmbH
Since 2006 · 21–50 empl.4.6(29)
The core activity of Feuz GmbH is building technology, particularly the planning, installation and maintenance of heating, sanitary and photovoltaic systems, as well as the provision of services in the field of building technology.
A. Wissekerke Tor- und Türsysteme AG
Since 2016 · 1–10 empl.4.9(42)
The company specializes in the manufacture and distribution of gates, doors, windows and roller shutters. In particular, it offers a wide range of front doors, side doors, garage doors, sectional doors and windows in various materials such as wood, aluminum and plastic. Additionally, the company also offers gate drives and a variety of services such as renovations, new construction, service and repairs.
Tiro Ofenbau AG
Since 1986 · 11–20 empl.4.7(46)
The company's core activity is the construction of fireplaces, particularly the planning, consulting and installation of individual heating solutions such as tile stoves, storage heaters and fireplaces, with a focus on sustainability, energy efficiency and design.
John Sanitär AG
Since 2015 · 1–10 empl.4.9(29)
John Sanitär AG carries out plumbing and heating work, including new installations, alterations, renovations, maintenance and repairs. Its services also cover property drainage, sewer inspections and pipe cleaning.
Gilgen Storen AG
Since 2017 · 1–10 empl.5.0(38)
The core activity of Gilgen Storen AG is the planning, manufacture and installation of sun protection systems and shading solutions for buildings, including louvre shutters, roller shutters, window shutters, awnings, glass roof systems, conservatory shading and pergola awnings. The company also offers repair services and custom-made solutions.
Avoro AG
Since 2016 · 11–20 empl.5.0(19)
Avoro AG is an independent building-services partner. Its services include underfloor, wall and ceiling heating, plug-and-play pre-wall elements, prefabrication and installation support, as well as custom fabrication and welding.
TCA Thermoclima AG
Since 1975 · 51–100 empl.4.1(21)
TCA Thermoclima AG distributes air-conditioning and heat-pump systems, as well as chilled-water and commercial refrigeration equipment. Its range also includes ventilation systems and services such as commissioning, maintenance, repairs and spare parts.
Bürge Kaminbau
Since 1996 · 11–20 empl.4.7(25)
The core activity of Bürge AG involves the processing of high-quality pre-fabricated components into complex, high-functional systems, particularly in the areas of geothermal drilling, chimney construction, silencers, residential heating and chimney systems. The company also offers special custom-made products and in-house developments, and has a department dedicated to geothermal drilling.
A - Z Montagen + Kaminbau AG
Since 1988 · 1–10 empl.4.6(29)
A - Z Montagen + Kaminbau AG plans and installs stoves and chimney systems, including soapstone and wood-burning stoves, fireplaces and stainless-steel chimneys. The company also sells whirlpools and provides servicing and repairs for them.
Sanolux GmbH
Since 2002 · 1–10 empl.4.4(28)
The core activity of Sanolux GmbH is the distribution of high-quality wellness products, particularly in the area of bath, shower and whirlpool systems, as well as related products such as steam showers, bathroom heaters, shower partitions and bathroom furniture. This also includes the sale, consulting and installation service for these products.
Arpagaus Storen GmbH
Since 2019 · 1–10 empl.5.0(15)
The core activity of Arpagaus Storen GmbH is the planning, consulting, delivery and installation of sun and weather protection solutions, including awnings, roller shutters, sun awnings, sun sails, window shutters, sun umbrellas, insect screens and indoor products.
Vinox GmbH
Since 2023 · 11–20 empl.5.0(34)
The core activity of Vinox GmbH is the planning, consulting, sales and execution of refrigeration, air conditioning and heat pump solutions, as well as the implementation of installation work, pipe construction and CNS welding processes in the field of refrigeration and air conditioning technology in Switzerland.
Gschwend Kältech GmbH
Since 2020 · 1–10 empl.5.0(43)
Holzöfe Tobias Rutz
Since 2013 · 1–10 empl.5.0(20)
Holzöfe Tobias Rutz designs and builds custom masonry heaters, tiled stoves, wood-burning cookers and fireplaces. Its work includes designs in steel, lime plaster and natural stone, as well as the restoration of historic stoves.
Gebr. Huser AG
Since 1995 · 1–10 empl.4.9(10)
Gebr. Huser AG provides sales and service for tractors, agricultural and municipal machinery, and motor and forestry equipment. The company performs repairs, hay-crane service, hydraulic-hose service, metal fabrication and locksmith work, and sells spare parts and small equipment through its shop.
Kolb Montagen
Since 2016 · 1–10 empl.4.9(15)
Kolb Montagen provides assembly and revision services and offers capabilities in mechanical engineering, metalworking, motor rewinding and electrical control systems. Services include CNC manufacturing, component assembly, engineering support (CAD design) and various surface treatments.
engeler ag Heizung-Sanitär
Since 1977 · 1–10 empl.5.0(8)
The company provides services in the field of building technology, particularly in the planning and execution of energy and building technology systems, as well as in heating technology for new buildings, renovations and refurbishments.
TK Aufzüge AG, Zweigniederlassung St. Gallen
Since 2001 · 1–10 empl.4.8(5)
TK Aufzüge AG, Zweigniederlassung St. Gallen provides installation, modernization and manufacturer‑independent maintenance and repair services for elevators, escalators and moving walks. The portfolio includes new elevator products (e.g. EOX, TWIN, Momentum), home lifts, emergency call/4G upgrade solutions, digital service tools and a 24/7 fault reporting service.
Kühne Wärmetechnik GmbH
Since 2013 · 1–10 empl.5.0(7)
Kühne Wärmetechnik GmbH installs, maintains and repairs heating systems and burners, and provides a 24-hour emergency service. Its services also include fitting heating systems and stoves, building and renovating chimneys, and chimney sweeping.
KATEC GmbH
Since 1998 · 1–10 empl.4.6(16)
KATEC GmbH works in fireplace and chimney construction and offers wood-fired heating systems, including fireplace stoves, storage stoves, pellet stoves and wood-burning cookers. Its services include consultation, planning, installation and after-sales support.
Helvetherm GmbH
Since 2013 · 1–10 empl.4.9(8)
Helvetherm GmbH imports, brokers and sells heat pumps and heating and hot-water equipment. Its services include consulting, installation, commissioning, maintenance and repairs; its product range includes Panasonic heat pumps, hot-water tanks and buffer tanks.
Engeo AG
Since 1999 · 11–20 empl.4.8(5)
The core activity of Engeo AG is the development, construction and maintenance of geothermal systems, particularly ground-source heat exchanger systems, as well as the provision of engineering services and services in the field of geothermal energy. This includes, among other things: * The development and distribution of test automats and measuring devices for geothermal systems * The planning, execution and maintenance of ground-source heat exchanger systems and brine circuits * The performance of Thermal Response Tests (TRT) and other measurements for the analysis and optimization of geothermal systems * The provision of engineering services, such as the sizing, quality assurance and measurement of geothermal systems * The development of special equipment and solutions for geothermal energy The company positions itself as a specialist in the use of geothermal energy for heating, air conditioning and hot water preparation of buildings.
Bamert Spenglerei GmbH
Since 2004 · 1–10 empl.5.0(4)
Bamert Spenglerei GmbH carries out sheet-metal work, façade construction and flat-roofing, and provides plumbing and heating installations as well as work on chimneys and lightning-protection systems. Its services also include fire protection, fire extinguishers and gas-depot accessories.
KKE AG
Since 2007 · 1–10 empl.5.0(3)
KKE AG is a company in refrigeration and air-conditioning technology, providing design, installation, maintenance and repair of cooling and climate systems. Services also include rental of refrigerated vehicles, technical service and the sale of components, with an online shop announced on the website.
TOL Swiss AG
Since 1981 · 1–10 empl.
The core activity of TOL Swiss AG encompasses various services in the construction industry, particularly: manufacturing and distribution of house doors and garage doors under the proprietary brand swiss-tore.ch; construction and welding work for private and industrial clients; planning and execution of conversions and renovations with in-house specialists; and real estate brokerage and management, including the search for building land and properties for private and business clients.
G. Seiz AG
Since 1987 · 1–10 empl.
The core activity of G. Seiz AG is the planning, installation and renovation of heating, ventilation and sanitary systems, particularly in the area of controlled residential ventilation, pipeline construction, chimney construction and the conversion or renovation of sanitary facilities.
Roja Naturofen AG
Since 1990 · 1–10 empl.
The core activity of Roja Naturofen AG is the manufacture of fireplaces, particularly the planning, production and installation of handmade fireplaces and chimneys tailored to the individual needs and living style of customers.
Keller Lufttechnik AG
Since 1991 · 11–20 empl.
The core activity of Keller Lufttechnik is the development, manufacture and distribution of industrial dust extraction systems, with the aim of providing clean air in the workplace and thus improving the health of employees, the longevity of buildings and systems, and the quality of products.
FEKA-Energiesysteme AG
Since 1992 · 1–10 empl.
FEKA-Energiesysteme AG offers systems that recover heat from wastewater. Its FEKA wastewater heat recovery system uses untreated wastewater and separates solids from greywater with a specialised filter; the systems are intended for buildings with high hot-water demand.
Frigel AG
Since 1994 · 51–100 empl.
Frigel AG plans and installs cold rooms, refrigeration systems and air-conditioning systems, and provides servicing and maintenance. The company also sells refrigeration and freezer equipment and offers solutions for sectors including food production, hospitality and pharmaceuticals.
CV AG
Since 1996 · 1–10 empl.
The core activity of CV AG is the provision of industrial services and assembly, particularly in the field of plant construction. This includes the execution of assembly, repair and maintenance services, as well as revisions during downtime, maintenance and the execution of turnkey projects in various industries such as metallurgy, cement industry, paper and pulp industry, food industry, hydro, KVA and nuclear power plants.
Heliobus AG
Since 1999 · 11–20 empl.
The core activity of Heliobus AG is the planning and distribution of daylight systems, in particular the development, manufacture and installation of mirror shafts and other daylight-based solutions for cellar construction and building lighting.
Zimmermann Messtechnik AG
Since 1999 · 1–10 empl.
Zimmermann Messtechnik AG provides measurement services and technical support for cleanroom systems. Its services include particle and pressure measurements, cleanroom qualification and requalification, and maintenance of ventilation systems.
Fliesenpool GmbH
Since 2000 · 21–50 empl.
The company is a craft business specializing in the areas of tiles, natural stones, renovation, oven construction, ceramic facades, wellness and service. The core activity of the company consists of planning, consulting, sales and installation of high-quality products and services in the areas of bathrooms, kitchens and living rooms.
Micro-Epsilon (Swiss) AG
Since 2000 · 11–20 empl.
The core activity of Micro-Epsilon is the development, production and distribution of sensor products and measurement technology solutions for various industries, particularly automation, battery production, semiconductors and other industrial applications. The company focuses on transforming high-tech into industrial series products and offers solutions for quality assurance, predictive maintenance, process and machine monitoring, as well as advanced automation.
Euroda GmbH
Since 2001 · 21–50 empl.
The company Euroda is engaged in the development, manufacture and distribution of fire protection and facade solutions, including daylight systems, smoke extraction systems, building envelopes, controls and drives. They also offer services such as maintenance, consulting and planning, and develop individual solutions for special requirements in the field of fire protection and facade technology.
STARDUST, Eggenberger Hanspeter
Since 2002 · 1–10 empl.
The core activity of Stardust is the manufacture, assembly, repair and maintenance of gates, drives and weather protection systems, including sun and weather protection systems, for garages and industrial buildings.
Ofe-Hannes GmbH
Since 2002 · 1–10 empl.
Ofe-Hannes GmbH plans and builds tiled stoves, wood-burning stoves and fireplaces. It also installs floor and wall tiles, including in bathrooms and on staircases, and provides consultation, repairs, servicing, cleaning and maintenance.
RS-Montagen AG, Quarten
Since 2003 · 1–10 empl.
The company's core activity primarily involves the planning, manufacturing, assembly and maintenance of industrial plants and pipelines, including steel construction, mechanics and general metalworking. This also includes the execution of revisions, conversions and service deployments, as well as the production of pipelines and plant components made from various materials such as steel, stainless steel, PVC and PP.
W. Meier & Co. GmbH
Since 2004 · 1–10 empl.
W. Meier & Co. GmbH plans and installs ventilation and air conditioning systems for residential, commercial, and industrial buildings. The company covers project planning, execution, and servicing, including controlled apartment ventilation, underground car parks, restaurants, and technical rooms.
Trunz Luftkanalsysteme AG
Since 2004 · 11–20 empl.
The core activity of Trunz Luftkanalsysteme AG is the development, production and marketing of ventilation duct systems, air duct and ventilation pipe materials as well as custom-made products for the building services and climate technology sector. The company offers a comprehensive range of standardized components and complex sheet metal parts in chrome steel.
Strulik GmbH
Since 2005 · 21–50 empl.
Strulik GmbH develops, plans and supplies systems for ventilation, smoke extraction, pressurisation and fire protection in buildings. Its products include air diffusers, fire and smoke dampers, and custom air distribution systems.
Building installation in the Canton of St. Gallen
Building installation in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
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