Specialized Construction Activities

Reconsa Sanierungs GmbH 

Nürensdorf · Since 1996

The core activity of Reconsa is the execution of renovation and conversion work of all kinds, particularly in the areas of: painting work (interior and exterior coatings), facade renovation, flooring, plastering, masonry, bathroom renovations, and renovation work. The company thus offers comprehensive services in the field of construction craftsmanship and building renovation.

Renesco AG 

Moosseedorf · Since 2000

Renesco AG is an international company specialising in structural waterproofing and injection/grouting services. It provides geomembrane welding and installation, sheet and liquid-applied waterproofing, cementitious and chemical grouting, specialised drilling and anchoring, and rehabilitation services for tunnels, hydraulic structures and other infrastructure projects.

rock & ice GmbH 

Rüthi (Rheintal) · Since 2003

The core activity of rock & ice GmbH includes carpentry assemblies, timber construction, climbing wall services, high-altitude work, as well as the construction of climbing walls, therapy walls, artificial rocks and high-rope courses.

Rusit Bau Immobilien GmbH 

Visp · Since 2021

The core activity of Rusit Bau Immobilien GmbH encompasses a wide range of services in the construction sector, including: plastering, painting, drywall construction, insulation, scaffolding, and construction cleaning. Additionally, the company also buys and sells real estate.

Salgado Naturstein GmbH 

Zurich · Since 2021

The core activity of Salgado Naturstein GmbH encompasses the execution of works with natural and artificial stone, including: monument preservation, modeling, restoration, sandblasting, stone cleaning, concrete renovation, and construction with exposed concrete. The company offers these services primarily for facades and other buildings, positioning itself as a partner for high-quality work in the field of natural and artificial stone.

Sasol AG 

Zofingen · Since 1987

The core activity of SASOL AG is the planning, design and installation of facades for buildings. The company offers specialized services in the field of facade construction, including tendering, design and installation of facades, and gives buildings an individual appearance.

Silent Deckensysteme AG 

Schwerzenbach · Since 2021

The core activity of Silent Deckensysteme AG lies in the areas of ceilings and acoustic solutions. They develop individual solutions for room concepts in close collaboration with architects, planners and builders.

SL impianti e piscine Sagl 

Agno · Since 2024

The core business of SL Impianti & Piscine is the planning, implementation and maintenance of pools and wellness facilities for private and commercial customers.

Stark Gipsergeschäft GmbH 

Schübelbach · Since 2023

The core activity of Stark Gipsergeschäft GmbH is the provision of skilled craftsmanship services in the areas of plastering, renovation and drywall construction, including plastering work, renovations, insulation, facade renovation, old building renovation and specialized plastering work.

Stirnimann Beton-Technik GmbH 

Lucerne · Since 2022

The company's core activity is the provision of specialized structural mechanics services, particularly: core drilling (with diameters from 10 mm to 1000 mm) for creating openings in concrete, reinforced concrete, masonry, granite, and asphalt; wall sawing for creating wall openings, ceiling and floor penetrations; joint cutting for creating expansion joints in fresh concrete, reinforced concrete ceilings and floor slabs; demolition and dismantling work; concrete cutting; reinforcement of concrete structures with CFRP laminates; punching reinforcement and rebar coverage; infrared camera surveys and material and building material testing. The company offers these services to industrial, commercial, and private customers and specializes in structural mechanics for demolition and concrete cutting technology.

STONE DEVELOPMENT Sàrl 

Satigny · Since 2021

The core activity of Stone Development is the processing and transformation of natural stone for various applications, particularly in the construction and restoration of historic buildings. This includes, among others: * Stone cutting (stone processing) * Stone supply (stone deliveries) * Construction and renovation (building and renovation) * Heritage restoration (heritage preservation) * Masonry (masonry work) * Traditional plastering (traditional plastering) * Staircase construction (staircase building) * Ventilated facades (ventilated facades) * Cleaning and sandblasting (cleaning and sandblasting) * Expert advice and consulting (expert advice and consulting) The company also offers specialized services, including the manufacture of stone products, such as: * Staircases (staircases) * Fireplaces (fireplaces) * Gates (gates) * Stone furniture (stone furniture) * Bathrooms (bathrooms) * Kitchens / worktops (kitchens and worktops) Overall, the company focuses on the processing and transformation of natural stone for various applications in construction and heritage preservation.

STUWATEC GmbH 

Kesswil · Since 2004

STUWATEC GmbH provides underwater operations and diving services, waterway and harbour construction, and boatbuilding and repair work, including suction dredging and aquatic vegetation mowing. The company also performs sediment and water sampling (including core freezing) and operates a mechanical workshop for custom fabrications.

STUWATEC Wasserbau GmbH 

Kesswil · Since 2009

STUWATEC Wasserbau GmbH provides services in water engineering and underwater work. Services listed on the website include diving inspections and repairs, salvage operations, shoreline protection and piling, suction dredging, sampling (sediment and water), boat construction and mechanical workshop services.

Suntenau GmbH 

Rüschlikon · Since 2018

Suntenau GmbH provides restoration and repair services for historic buildings, including work on windows, doors, parquet flooring, glass panes and fittings. The company also delivers solutions for sound insulation, fire protection, security and locking systems, as well as window renovation and specialized ceiling systems.

S+Z Bauwerk GmbH 

Wyssachen · Since 2022

The core activity of S+Z Bauwerk GmbH encompasses construction and civil engineering works, including: core drilling, concrete finishing, excavation and demolition works, masonry works (including agricultural buildings, general masonry, and garden design), and environmental works (including natural stone walls, paving stones, garden stairs, and garden design). The company thus offers a wide range of services in the construction sector, from planning to the execution of construction projects.

TILOSUB Sagl 

Ligornetto · Since 2012

The core activity of Tilosub Sagl is the execution of subaquatic works and restorations, in particular: installation and maintenance of harbor and pontile facilities; cleaning and sanitation of shores of abandoned and hazardous structures; installation and maintenance of buoy systems; construction and repair of rails and cranes for boat transport; underwater renovations, wall repairs, dock excavations and underwater excavations; monitoring with ROV vehicles and wreck recovery; maintenance and control of underwater facilities; laying, inspection and maintenance of underwater pipelines and cleaning of suction pipes. Additionally, the company also offers specialized services on land, such as the installation of special lighting for piers, documentation through photography and video, rental of excavators and dumpers, as well as engineering services through collaboration with an engineering firm.

Tradibati Sàrl 

Chexbres · Since 2015

The core activity of Tradibati is traditional construction and the use of natural products, particularly in the restoration, renovation and creation of stone works, using products such as lime, stone and clay. The company also provides consulting services for construction projects, including the selection of sustainable materials and project planning.

Weiss + Appetito Services AG 

Bern · Since 1998

Weiss + Appetito Services AG provides planning, construction, optimization and maintenance of mobile and fixed networks and supplies industrial radio and tailored telecom services for network operators and providers.

Widmer Elevator GmbH 

Dietfurt · Since 2009

The core activity of Widmer Elevator is the maintenance, repair and planning of elevator systems, including new lift construction, modernizations and master builder services. They offer their services independently of manufacturers and brands and serve all types of elevators.

WOLFF Onsite AG 

Cham · Since 2009