Construction & Architecture

Losinger Marazzi AG 

Lucerne · Since 2012

Losinger Marazzi AG develops and delivers real estate projects and construction works, including sustainable districts, residential buildings, renovations, and hospital and industrial facilities. The company provides services across the property value chain from project conception to building operation and incorporates sustainability and climate-resilience measures in its projects.

Losinger Marazzi AG 

Bern · Since 1972

Losinger Marazzi AG develops and delivers real estate and construction projects, providing services across the asset lifecycle from concept to operation, including residential and district development, hospital and industrial buildings, and renovation works.

Losinger Marazzi SA 

Satigny · Since 2011

Losinger Marazzi SA is a construction and real estate firm that develops, constructs and operates buildings and urban districts. It provides project and site development, construction execution and facility/property management services, with lifecycle-oriented and sustainability measures integrated into its projects.

Losinger Marazzi SA 

Plan-Les-Ouates · Since 2024

Losinger Marazzi SA is a construction and real estate services company that plans and delivers projects from development through construction to the operation and maintenance of buildings and sites. Its services include project and site development, construction of residential, industrial and hospital buildings, and facility/property management with an emphasis on sustainability and lifecycle approaches.

Losinger Marazzi SA 

Crissier · Since 2011

Losinger Marazzi SA develops and delivers real estate projects and provides services across the entire property value chain, including neighbourhood development, residential construction, renovations, and hospital and industrial building projects.

Michu Witschi GmbH 

Wolfenschiessen · Since 2025

Montana Bausysteme AG 

Villmergen · Since 1963

Montana Bausysteme AG provides complete solutions for metal facades, roofs and ceilings. The company manufactures trapezoidal, corrugated and cladding profiles, liner trays, composite profiles and sandwich panels in steel and aluminium, and supports industrial, commercial/administrative and public building projects from documentation through production, logistics and delivery.

NSNW AG 

Sissach · Since 2008

The company NSNW is primarily active in the field of motorway management and operation. The core activities include the planning, construction and maintenance of motorways, as well as ensuring a smooth flow of traffic. This also includes services such as data management, project planning and the coordination of construction sites.

Ovenstone AG, Gärten und Pools 

Kleinandelfingen · Since 2009

The core activity of Ovenstone AG is the planning, design and maintenance of gardens and pools, including the construction of natural stone installations, water gardens, stone gardens, gazebos, pavilions and pergolas, as well as the maintenance of lawns, trees and shrubs. The company also offers chemical-free pools, film pools, prefabricated pools, natural stone pools and stainless steel pools, and implements projects in the field of garden and pool construction.

Piasio SA 

La Croix-De-Rozon · Since 1961

The core activity of PIASIO HTP is to provide services and solutions in the field of civil engineering, particularly in the areas of: excavation work, soil and groundwater remediation, underground and surface work, material valorization, and excavation, demolition and special works. The company also offers a 24/7 emergency service for all types of sewer and network work.

planerkiste architektur gmbh 

Aarau · Since 2024

The core activity of the company "planerkiste architektur" is the provision of architectural and construction planning services, including construction management and site supervision, for new buildings, renovations and conversions in the areas of residential, commercial, industrial and public construction. The company also offers consulting and support services for real estate buyers and sellers, including purchase advice, valuation and brokerage.

Rölli Gruppe AG 

Pfaffnau · Since 2022

Rölli Gruppe AG is a construction company offering consulting, planning and execution for building extensions, renovations, conversions and densification projects. The group specialises in timber system construction and complete building envelopes, including roofing and sheet-metal work, and cooperates with architects and clients on new and existing buildings.

Rotomag AG 

Sargans · Since 2004

The core activity of Käppeli Bau AG is the provision of services in the construction industry, particularly in the areas of: * Building construction (e.g. new construction, renovation, and refurbishment of buildings) * Civil engineering (e.g. earthworks, engineering construction, and hydraulic engineering) * Road construction (e.g. construction and maintenance of roads and bridges) * Asphalt paving, paving, planing, and repair work. The company also offers specialized services such as interior demolition, industrial and commercial construction, environmental design, and residential construction.

Rudolf Werkhof AG 

Sommeri · Since 2015

The core activity of Rudolf Spielplatz AG is the planning, delivery, installation and maintenance of playground equipment and playgrounds, including theme playgrounds and gymnastics and movement equipment, for public and private institutions.

Rust Fenster Service GmbH 

Zufikon · Since 2021

The core activity of Rust Fenster Service GmbH is the consulting, sales, installation and servicing of windows, doors, insect screens and glass products, particularly in the area of replacement and modernization of windows and doors for residential and commercial buildings.

Scheuchzer SA 

Bussigny · Since 1947

Scheuchzer SA provides rail infrastructure services including rail grinding, maintenance, refurbishment, ballast stabilization and reinforcement systems, and small-scale upkeep. The company plans, coordinates and executes railway-technical projects as a general contractor and offers engineering, development, workshop and repair services.

Schindler Gärten GmbH 

Lucerne · Since 2018

The company's core activity is garden and landscape construction, including the planning, design, creation and maintenance of gardens, terraces, parks and other green spaces. Specific services include: garden construction and design, terrace construction and equipment, landscape construction and maintenance, green space management, maintenance of existing gardens and facilities, renovation and expansion of gardens and facilities, earthworks, natural stone walls, staircase construction, slope stabilization, water features and irrigation and drainage systems.

S. Facchinetti S.A. 

Neuchâtel · Since 1969

S. Facchinetti S.A. is a construction company providing civil engineering and infrastructure services such as road and rail works, asphalt surfacing, utilities and urban development. The company also operates the 'Les Ateliers de la Cernia' natural stone department for stone processing and heritage restoration and runs quarry and recycling operations supplying aggregates and gabions.

Vision+ Generalbauunternehmung GmbH 

Leuggern · Since 2023

Vision+ Generalbauunternehmung GmbH is a general construction company that plans and executes new-build, renovation and refurbishment projects. Services include masonry, bespoke kitchens and windows, pool and whirlpool construction, waterproofing, core drilling, wall and floor works, as well as planning, site management and project coordination.

Wechsler Gerhard AG 

Luthern · Since 2018

The core activity of Wechsler Gerhard AG includes cabling, particularly the expansion of fibre optic networks, as well as the execution of excavation work, water supply, landscape maintenance and the sale of small engine equipment.