Specialized Construction Installations

Wasatech GmbH 

Frauenfeld · Since 2006

The core activity of WASAtech GmbH is the sale, trade and manufacture of LED light products, particularly also consulting on LED lighting solutions and the production of LED ALU profile lights.

Wasner AG 

Uetendorf · Since 1988

The core activity of Wasner AG is the revision, renovation and dismantling of tanks, in particular heating oil tanks, as well as the installation of new tank systems and the performance of maintenance and repair services in the field of tank technology.

Water Energy Engineering SA 

Lugano · Since 2015

The core activity of WEESA (Water Energy Engineering SA) is the development and distribution of solutions for the areas of cooling, heating, insulation and solar energy. In particular, the company offers products and technologies for indoor and outdoor cooling, heating, insulation of hot and cold systems, as well as solar panels.

Weibel Haustechnik AG 

Schwyz · Since 2007

Weibel Haustechnik AG provides planning, installation and maintenance services for building technology, focusing on sanitary systems, heating (including heat pumps, wood/pellets, oil and solar), and sun shading (awnings, blinds, insect protection). The company also offers service and maintenance, garage doors and a sanitary shop.

Weibel Storen AG 

Schwyz · Since 1983

Weibel Storen AG provides consulting, planning and implementation of sanitary, heating and sun‑protection systems, and offers maintenance and repair services. Its product range includes awnings, blinds, insect screens, garage doors and a sanitary shop.

Werner Rhyner 

Schindellegi · Since 1999

Werner Rhyner is a stove builder and tiling specialist providing consultation, planning, installation and renovation services for wood-burning stoves, masonry stoves, fireplaces and related components such as fireplace glazing and heating inserts.

Werz Allroundservice 

Waldkirch · Since 2022

The core activity of Werz Allroundservice is the provision of craft and installation services, particularly in the following areas: electrical installations (new cabling, electrical outlets, distributors, etc.), assembly and installation work (furniture assembly, installation of industrial equipment, etc.), general repairs and maintenance work (repair of drywall, residential buildings, etc.), construction (general construction work, demolition work, clearance, etc.), and locksmithing and carpentry services. The company thus offers a comprehensive range of craft and installation services for private and business customers in Switzerland.

Wigasol AG, succursale Yverdon-les-Bains 

Yverdon-Les-Bains · Since 2022

Wilhelm Schetter AG 

Bronschhofen · Since 2006

The core activity of Wilhelm Schetter AG is the planning, construction and maintenance of building technology systems, particularly in the areas of: heating technology, ventilation and air conditioning technology, refrigeration technology, measurement, control and regulation technology (MSR), and media supply. The company also offers services such as planning, plant construction, maintenance and repair, and specializes in systems for industry and commerce.

Willisch GmbH 

Mörel · Since 1997

The core activity of Willisch GmbH encompasses the development, production, and distribution of advertising technology products, particularly: Light advertisements and illuminated signs, Signage and labeling systems, Signage and guidance systems, Facade advertising and tensioning systems, Vehicle lettering, LED and textile frames, Acrylic glass products. The company also offers services such as consulting, planning, and execution of large-scale projects.

Wilm-Air SA 

Monte Carasso · Since 1985

The core activity of WILM-AIR SA consists of planning, installing and maintaining systems for air conditioning, ventilation, heating, renewable energy, heat pumps and photovoltaic systems, as well as solar panels.

Win & Doors GmbH 

Neuenegg · Since 2015

The core activity of Win & Doors GmbH is the distribution and servicing of windows and doors, particularly from the brands Veka, Feal and Schüco.

WKE-Energie GmbH 

Oberwil Bl · Since 2018

The core activity of WKE-Energie GmbH is the planning, execution and commissioning of district heating, district cooling and steam networks, as well as consulting and implementing projects in the field of renewable energies. The company specializes in the development and realization of energy supply systems that focus on the use of waste heat and renewable energies to reduce CO2 emissions.

WOBAMONT GmbH 

Wollerau · Since 2006

Wolfgang B. GRAF GmbH 

Hedingen · Since 2019

Wolfgang B. Graf GmbH is a specialist provider of smoke and heat extraction systems, fire-protection curtains and smoke curtains. The company sells Actulux RWA systems, actuators, fire-protection curtains, smoke curtains and EXIT emergency lighting, and provides installation, maintenance, repair and troubleshooting services.

Wolfgang Meier lichtdesign-schweiz.ch 

Bülach · Since 2017

The core activity of the company "Lichtdesign-Schweiz" is the planning, consulting, sales and rental of lighting solutions for various areas, including residential, office, educational, healthcare, presentation, sales, technical, industrial, hotel, gastronomy, art, cultural, monument and sacred buildings. The company also offers lighting control, light sources and light objects, and manufactures precise and custom-made products for individual customer requests.

WORLAG AG 

Wängi · Since 1980

WORLAG AG supplies, installs and services garage and industrial doors as well as associated drives and accessories. Products include sectional, up-and-over, sliding, roller, swing and high-speed doors and front doors; services cover new and replacement installations, maintenance, repairs, motor service and consultation.

xaxada AG 

Wilen (Sarnen) · Since 1990

The core activity of xaxada AG is the development and provision of building automation solutions, including the control of lighting, heating, ventilation, shading and access control for various types of buildings, such as residential homes, office buildings, hotels and industrial facilities.

XTEGRASOL Kälte AG 

Gais · Since 2021

The core activity of Xtegrasol GmbH is the planning, sale and installation of building technology solutions, particularly: underfloor heating, chilled ceilings, renovation systems, energy generators and rental cooling systems. The company also offers project management and coordination for these solutions.

ZASAG AG 

Eglisau · Since 1985

The core activity of Zasag AG is the execution of plumbing, flat roof work and sanitary and heating installations. The company thus offers services in the field of building technology and facility management.