Crafts & Trades

Dominik Gasser Haustechnik GmbH 

Lungern · Since 2006

The core activity of Dominik Gasser Haustechnik GmbH is the provision of services in the field of building technology, particularly in the areas of plumbing, heating and sheet metal work.

DR Tech GmbH 

Oberarth · Since 2003

The core activity of DR Tech GmbH is the planning, delivery and installation of window and door systems, conservatories and interior fittings, including the renovation of old buildings and the construction of new buildings.

Duplan Sartori Peinture Sàrl 

St-Imier · Since 2023

The core activity of Duplan Sartori Peinture Sàrl is painting and related services, including the execution of painting work and the provision of after-sales services (SAV) for customers.

Dupper Sanitär und Heizung GmbH 

Steinach · Since 2001

Dupper Sanitär und Heizung GmbH is a plumbing and heating craft company that provides planning, installation and maintenance services for bathrooms and heating systems. Services listed on the website include 3D bathroom planning, renovations and new-build installations for residential and industrial buildings, water treatment and softening, boilers, heat pumps, solar systems and service calls.

Dups AG 

Liestal · Since 1988

The core activity of Dups AG is the planning, installation, maintenance and repair of electrical systems and installations in various areas, including: building installations (power and low-voltage systems), smart home solutions, lighting systems, energy efficiency solutions, telecommunications systems, and device testing and maintenance. The company also provides consulting and planning services for these areas.

Dürrenberger Maler AG 

Basel · Since 2017

The core activity of the company "Dürrenberger Maler AG" is the execution of painting work, particularly in the areas of new and renovation construction, facade renovation, special coatings, acoustics, and custom plastering. The company offers its services to both private clients and public and commercial construction projects, including hotels, restaurants, retail spaces, and banks.

DVG Sàrl 

Crissier · Since 2002

The core activity of DVG Sàrl consists in the planning and execution of technical installations in buildings, industrial facilities and laboratories, particularly in the areas of: sanitary installations (water, wastewater and rainwater pipes), heating systems (gas central heating, pellet stoves, heat pumps), gas installations (natural gas, propane, medical gases) and laboratory installations (gas systems, water and wastewater pipes). The company also provides services as a technical trustee and collaborates with partners to offer comprehensive solutions.

E3 HLK AG 

St. Gallen · Since 2010

E3 HLK AG plans, installs and maintains heating, ventilation and cooling systems for building services engineering. The company also provides service, maintenance, operational optimisation, contracting and other energy engineering and plant construction services.

E3 Zentralschweiz AG 

Kriens · Since 2024

The core activity of E3 Zentralschweiz AG is the planning, consulting and implementation of solutions for building technology, particularly for a comfortable indoor climate, including refrigeration and heating technology, as well as service and maintenance for long-term efficiency.

Ecoresina di Ferrara Mario 

Agno · Since 2013

The core activity of EcoResina is the application of ecological resins and other materials for the renovation and design of buildings, particularly in the area of floors, walls and ceilings. The company offers services such as the installation of floors and wall coverings, the application of microcement, the execution of renovations and the renewal of silicone seals.