Construction & Architecture

H + S Montagen GmbH 

Buchs Lu · Since 2010

The core activity of H+S Montagen GmbH is the production and trade of building material products, in particular wood, gypsum and metal products, as well as the construction of single-family homes and prefabricated houses, specifically Fullwood prefabricated houses. The company also provides consulting and solutions for special customer requests in the construction industry.

Hürlimann Bautenschutz AG 

Illnau · Since 2005

The core activity of Hürlimann Bautenschutz AG is the renovation of buildings, particularly in the areas of sealing, coating, concrete repairs, reinforcement, mold damage remediation and leak detection. The focus is on renovating residential and commercial buildings in the Zurich region and Eastern Switzerland.

Hüsser Innenausbau AG 

Bremgarten Ag · Since 2004

The core activity of Hüsser Innenausbau is interior construction, particularly the planning, organization and implementation of individual interior construction projects for living spaces, offices and other objects, including the manufacture and installation of furniture, doors, bathrooms and other interior construction elements.

Huusart. AG 

Brunnen · Since 1999

The core activity of Huusart AG is the planning and realization of construction projects, including architecture, planning, execution and project management, with a focus on new construction, renovation and conversion, monument preservation, competition and land acquisition.

IISO BAU GmbH 

Basel · Since 2024

The core activity of IISO BAU GMBH is construction management for commercial and residential projects.

In8 AG 

Chur · Since 2017

The core activity of IN8 AG is the planning, consulting, sales and installation of individual kitchen concepts. The company offers its customers a comprehensive service, from consulting and planning to installation and execution of kitchen projects.

Ingenieurbüro Vincenz SA 

Laax Gr · Since 2019

Ingenieurbüro Vincenz SA provides electrical installations and related services, including building automation, photovoltaics, electromobility, telematics and communication cabling. Services also include installation inspections, appliance repair and sales, tool rental and an on-site electrical retail shop.

Inova Partner AG 

Wetzikon Zh · Since 1991

Inova Partner AG provides architectural and planning services and collaborates with Hirzel Generalunternehmung AG on turnkey building projects. Its services include project development, execution planning, fire‑protection planning, architecture and construction management, and participation in general‑contractor (GU) and total‑contractor (TU) assignments.

ISR Injectobohr SA 

Chavornay · Since 1988

ISR Injectobohr SA specializes in special civil-engineering works. Its services include excavation enclosures (shoring), consolidation/injection works, special foundations, underground retaining walls, shafts and drains.

Janitsch Holzbau AG 

Ersigen · Since 1995

The company's core activity is wood processing and construction, particularly: planning and consulting, contract cutting and cutting technology, timber construction and timber structures, element construction, frame construction and prefabricated houses, conversions, renovations and restorations, interior finishing work, traditional timber construction and monument preservation. The company thus offers a wide range of services in the field of wood processing and construction, from planning to the execution of construction projects.

JJH - CUISINES DIFFUSION SA 

Crissier · Since 2003

JJH - CUISINES DIFFUSION SA designs, supplies and renovates kitchens and provides project follow-up and installation services. The company is an authorised dealer for Forster steel kitchens and also distributes Podium wooden kitchens, offering products and accessories for new-build and renovation projects.

J.-L. Ratti-Blanc S.A. 

Moudon · Since 1985

The core activity of J.-L. Ratti-Blanc SA is the provision of services in the construction industry, particularly in the areas of building construction (Hochbau) and civil engineering (Génie civil). The company offers planning, execution and project management for construction projects, thereby covering the entire lifecycle of a construction project.

JM Sanitaire SA 

Lausanne · Since 2018

The core activity of JM Sanitaire SA includes the installation, maintenance, and repair of sanitary facilities, heating systems, and drainage systems. This includes, among other things: installation and maintenance of heating systems, including radiators, boilers, and pumps; repair and maintenance of sanitary facilities, including fittings, pipes, and sanitary appliances; drainage and cleaning of sewage pipes and systems; inspection and repair of leaks and damage to sanitary facilities and heating systems; and installation and maintenance of gas pipes and systems. The company also offers emergency services and maintenance contracts to ensure that its customers' facilities and systems function properly.

Jörg Bolliger AG 

Gontenschwil · Since 1973

The core activity of Schreinerei Bolliger AG is the manufacture and distribution of wood products, particularly interior fittings, windows, doors, kitchens, cabinets, bathroom furniture and flooring. In addition, the company also offers repair and assembly services for these products.

J. Rebmann AG 

Kaisten · Since 1985

The core activity of J. Rebmann AG is the construction industry, particularly building construction, civil engineering, renovation, custom building, commercial building and public building. The company provides comprehensive services in these areas and advises customers on the planning and implementation of construction projects.

Karl Morf AG 

Oberglatt Zh · Since 1984

The company's core activity is the provision of services in the field of marking and signage, particularly: * Marking of roads, parking lots, sports fields, industrial halls and other areas * Signage, including traffic signs, barriers, traffic space design, symbols and logos * Installation and removal of markings and signage * Creation of individual solutions for customers The company offers its services in various markets, including road and transport infrastructure, public transport, cities, municipalities, industrial and commercial areas, sports facilities and private real estate developments.

KIBAG Bauleistungen AG 

Chur · Since 2024

KIBAG Bauleistungen AG provides civil engineering and construction services including road and track construction, excavation and demolition, and water and specialist foundation works. Other services include contaminated-site remediation, sewer and drainage services, drilling and geothermal probe installations, vacuum-excavation, sealing and gussasphalt works, vehicle restraint systems and construction support.

KIBAG Bauleistungen AG 

St. Moritz · Since 2024

KIBAG Bauleistungen AG provides a wide range of construction services, including roadworks, civil and demolition works, marine and specialist deep‑foundation works, and contaminated‑site remediation. Other services include sewer services, drilling, geothermal boreholes, vacuum‑excavation, waterproofing and mastic asphalt, joint technology, airfield construction, turnkey/general contractor solutions and site support; the business units operate regionally and hold ISO certification.

KIBAG Bauleistungen AG 

Kreuzlingen · Since 2001

KIBAG Bauleistungen AG provides a wide range of construction services, including road and track substructure works, civil and demolition works, water and special foundation engineering, contaminated-site remediation and sewer services. Its operations also cover drilling, geothermal-probe installation, vacuum-excavation, sealing and mastic works, airfield construction and general/total contractor services; the units are regionally active and ISO-certified.

KIBAG Bauleistungen AG 

St. Gallen · Since 2001

KIBAG Bauleistungen AG provides construction services for infrastructure and civil engineering, including road and track works, demolition and excavation, water and special deep engineering, contaminated-site remediation and sewer services. The company’s services also include drilling, geothermal probes, vacuum-excavation, sealing and cast asphalt, vehicle restraint systems, joint technology, airfield construction, general/total contractor services and on-site construction support.