Crafts & Trades

Travelletti & Biner SA 

Blignou (Ayent) · Since 2015

Travelletti & Biner SA is a building-technology company providing sheet metalwork (ferblanterie), roofing, façades and waterproofing, together with sanitary, heating and ventilation installations. The company also provides photovoltaic installations, energy consulting and after-sales services.

Trümpy Elektro AG 

Weisslingen · Since 2008

The core activity of Trümpy Elektro AG is the provision of electrical services.

Tschudin AG Spenglerei und sanitäre Anlagen 

Waldenburg · Since 1981

The core activity of Tschudin AG Waldenburg is the provision of services and works in the field of sheet metal work and sanitary technology, including: sheet metal work (e.g. flat roof, pitched roof, solar technology, special manufacturing), sanitary work (e.g. installations, repairs, maintenance), well construction, water pipe installations, rainwater and wastewater management, and renovation and new construction work. The company also offers apprenticeships for sheet metal workers and sanitary installers.

Vansende Peinture 

Les Acacias · Since 2022

The company's core activity is the provision of services in the field of painting, decoration and renovation, particularly using ecological products and methods. This includes the application of various painting techniques such as Stucco, Crépis, Peinture éponge, Scandatex and Vario lisse, as well as the use of ecological materials like Enduit chaux. The company offers its services in the Geneva region.

Viktor Wyss AG 

Flumenthal · Since 2024

Viktor Wyss AG is a plastering and building‑finishes company offering plaster and stucco work, dry and lightweight construction, facade insulation and renovation, and wall and floor coatings including seamless systems. The company also provides fire‑protection and acoustic solutions, an electrosmog protection offering (accuraum®), and coordination services for new‑build, renovation and refurbishment projects.

Vinox GmbH 

Niederuzwil · Since 2023

The core activity of Vinox GmbH is the planning, consulting, sales and execution of refrigeration, air conditioning and heat pump solutions, as well as the implementation of installation work, pipe construction and CNS welding processes in the field of refrigeration and air conditioning technology in Switzerland.

Vito Serratore AG 

Dörflingen · Since 1990

The core activity of Vito Serratore AG is the plastering trade, specifically the execution of plastering work and related services.

Vogt Heiz- und Energiesysteme GmbH 

Tuggen · Since 2021

The core activity of VOGT Heiz- und Energiesysteme GmbH encompasses the planning, consulting, installation, and maintenance of heating systems, photovoltaic and solar thermal systems, sanitary technology, as well as the integration of energy storage systems and charging stations for electric vehicles. The company also provides specialized coordination and expertise in the field of building technology and energy systems.

Weigand Fenster- u. Wintergartentechnik GmbH, Lottstetten (D), Zweigniederlassung Marthalen 

Marthalen · Since 2021

The company's core activity is the planning, manufacturing, delivery and installation of winter gardens, patio roofs, windows, doors and sun protection systems, particularly made of aluminum, wood and plastic, for the private residential sector.

WET Schaper Suisse GmbH 

Zeiningen · Since 2020

The core activity of W. E. T. Schaper GmbH is the cleaning, disinfection and maintenance of drinking water systems, tanks, filters and wells, as well as the performance of chemical and chemico-physical analyses, risk assessments and the provision of accredited water samples. The company also offers consulting services for drinking water installations and supply, and has a network of partners for global and sustainable solutions.