Specialized Construction Activities

REGIO TANK AG 

Zug · Since 2011

REGIO TANK AG provides services in tank technology, including tank cleaning, tank inspections, tank dismantling and neutral tank decommissioning, together with device maintenance and energy consultancy.

Rizzi Pittura Sagl 

Losone · Since 2004

The core activity of Rizzi Pittura Sagl includes the provision of services in the field of road marking, maintenance and safety, including: Horizontal Road Signage (Segnaletica Stradale Orizzontale), Vertical Road Signage (Segnaletica Stradale Verticale), Thermal Insulation (Isolazioni Termiche), Building Painting (Pitture Edili), Concrete Restoration (Risanamento Beton), and Tunnel and Gallery Treatment (Trattamento Gallerie). The company is a member of the Swiss Specialist Associations for Road Safety (SISTRA) and focuses on ensuring safety and quality in road traffic.

Rolf Friedli Ofenbau AG 

Unterwasser · Since 2006

The core activity of Friedli Ofenbau is the manufacture and installation of tiled stoves, plastered stoves, small storage and chimney stoves, as well as the execution of conversion and renovation work, particularly in the area of plastering and paneling.

Rope Access Solutions Bartoc 

Lausanne · Since 2021

The core activity of Rope Access Solutions is the execution of work in difficult-to-access areas, particularly at heights or in confined spaces, using rope techniques. The specific services include: * Cleaning of glass surfaces, roofs, facades and other surfaces at heights * Maintenance and repair of buildings, bridges and other infrastructure * Safety services, such as the installation of safety nets and ropes * Work in confined spaces and hard-to-reach areas * Specialized cleaning services, such as the removal of bird droppings and other deposits.

Rymann & Widmer AG 

Baden · Since 1999

Rymann & Widmer AG provides heating, ventilation and sanitary services, including planning, installation and maintenance of heating, ventilation and sanitary systems. The website states the company offers environmentally oriented solutions such as residential ventilation, heat systems and related consultancy and service.

Savarioud SA 

Grolley · Since 2012

Savarioud SA provides services in sanitary installations, heating systems and maintenance/repair. Services listed on the website include bathroom renovations, renovations and new construction, water supply and treatment, compressed air and gas systems, heat pumps, pellet boilers and solar thermal panels, as well as boiler descaling, leak detection and unblocking.

Schadstoffcheck GmbH 

Zug · Since 2024

The core activity of Schadstoffcheck GmbH is asbestos remediation and building inspection, including consulting, assessment and remediation of buildings with asbestos and other pollutants.

Siano Pavimentazioni Sagl 

Cadro · Since 2023

The core activity of Siano Pavimentazioni is the planning and execution of paving works, in particular: natural and artificial stone paving, laying of bitumen and lime mixtures, preparation of substrates and planing works, construction of walls and other structures, and the creation of outdoor paving and asphalt surfaces. The company offers its customers a comprehensive service, ranging from consulting and planning to the execution of the works.

Steinhauer Do Vale Fernandes 

Regensdorf · Since 2008

The core activity of Steinhauer Fernandes is the provision of services in the construction sector, particularly in the areas of construction management, paving, concrete work and renovations. The company offers comprehensive services, from planning and calculation to execution and completion of construction projects.

Stöckli AG Stans 

Stans · Since 2000

The core activity of Stöckli AG Stans is the restoration and conservation of works of art, monuments and buildings, including reconstruction, historical painting techniques and gilding, as well as building investigation, consulting and concepts for maintenance, documentation and monitoring.

Stutz Storenbau 

Rümlang · Since 2020

The core activity of Stutz Storenbau is the manufacture, assembly and repair of sun and weather protection systems, particularly roller shutters, awnings, louvre shutters, insect protection systems, glass roof systems, conservatory shading, aluminium window shutters and other shading solutions for indoor and outdoor areas.

Swissbohr Spezialtiefbau AG 

Hinwil · Since 2005

The core activity of Swissbohr Spezialtiefbau AG is the provision of services in the field of specialized deep foundation construction, particularly in the following three areas: 1. **Shoring and excavation support**: Securing excavations and trenches for construction projects. 2. **Pile foundations**: Creating pile foundations for buildings to ensure a secure foundation. 3. **Engineering services**: Providing engineering services, particularly in the field of geotechnics, such as consulting, project studies, optimization, and execution of construction projects. These activities encompass the planning, execution, and optimization of construction projects in specialized deep foundation construction.

Teichparadies GmbH 

Neuenegg · Since 2023

The core activity of Teichparadies GmbH is the planning, consulting, construction and maintenance of pond systems, including pond construction, pond maintenance, water analysis and fish diseases. The company also offers services in the field of EPDM pond liners and roof liners.

U. Brunner AG 

Neunkirch · Since 1982

U. Brunner AG carries out pitched and flat roofing, sheet-metal and flashing work, façade cladding and insulation. The company also provides maintenance, waterproofing, roof penetrations, green roofs and solutions such as solar roof tiles.

Verancolor S. à r.l. 

Reconvilier · Since 1998

The core activity of Verancolor sàrl is the design and realization of verandas and pergolas, particularly those made of aluminum, verandas with flat roof structures and habitable verandas. The company also offers a complete service from project study to realization, including installation and completion by its own specialized personnel.

wasserbau.plus GmbH 

Greppen · Since 1961

wasserbau.plus GmbH performs civil and underwater construction work, including diving operations, seawall and boathouse works, pile driving and ship salvage. Services include project planning, maintenance, dredging, algae removal and remote-operated vehicle (ROV) inspections.

Stauffer Schienen- und Spezialfahrzeuge Service AG 

Frauenfeld · Since 2025

Stauffer Schienen- und Spezialfahrzeuge Service AG provides maintenance, servicing and repairs for rail vehicles and two-way vehicles and sells spare parts via an online shop. Its services include vehicle and aggregate overhauls, train protection system inspection and repair, fabrication of main air and supply lines, transports and crane operations, and the sale and rental of vehicles and special tools; the company holds ECM certification.

4B AG 

Hochdorf · Since 1962

4B AG designs and manufactures windows, doors and façade systems and provides services such as spare parts, maintenance and customer consulting. The product range includes wood–metal window systems, sliding and entrance doors, and post-and-beam façade systems, and the company offers planning resources (CAD/BIM) for architects and planners.

AA Asbest Altlasten Sanierungen GmbH 

Birmensdorf Zh · Since 2013

The company's core activity is the remediation and disposal of pollutants, particularly asbestos, in buildings and industrial facilities. This includes the planning, execution and monitoring of remediation measures, the removal of asbestos and other pollutants, as well as the disposal of these materials in accordance with applicable legal regulations.

ABAT TECH Sàrl 

Reconvilier · Since 2000

The core activity of Abat Tech Sàrl consists of carrying out specialized work in the field of surface treatment, cleaning and stabilization of various materials and structures, including: metal and wood structure stripping (decoating), cryogenic cleaning, sandblasting of wood and other materials, stabilization of rock faces and slopes, thermography (thermal imaging), core drilling investigations, and cleaning of retaining walls. The company offers these services for various applications, including building renovation, rock face securing, and industrial plant cleaning.