Crafts & Trades

R. Gerber AG Sanitär/Heizungen 

Felben-Wellhausen · Since 1989

R. Gerber AG Sanitär/Heizungen provides planning, supply, installation and maintenance of sanitary installations and heating systems. Services include gas, water and wastewater piping, boiler and underfloor heating systems, oil/wood/gas heating, solar energy and heat recovery solutions, water softening and rainwater use, as well as repair and maintenance work.

RhV Services AG 

Altstätten Sg · Since 2015

The core activity of rhv elektrotechnik ag encompasses the planning, installation, maintenance, and servicing of electrical systems and installations, including: electrical installation and equipment installation; building automation, including monitoring and alarm systems as well as telephone systems; switchgear, including planning, construction, and maintenance of switch and control cabinets; network construction, including overhead line construction, fiber optic cabling, and public lighting; and renewable energy, particularly photovoltaics, including planning, installation, and maintenance of solar systems. The company thus offers comprehensive services in the field of electrical engineering and energy supply.

Richner Stahlbau AG 

Höri · Since 2009

The core activity of Richner Stahlbau AG includes the manufacture and processing of metal products, particularly in the fields of metal construction, steel construction and mechanical engineering. This includes the production of stairs, railings, gates, steel columns, constructions, claddings and conveyor systems. The company also offers services such as the rental of working platforms and trailers.

Rickenbach Installationen AG 

Sins · Since 2002

The core activity of Rickenbach Installationen AG is the planning, installation and repair of building technology systems, particularly in the areas of sanitary facilities (e.g. bathroom renovations, kitchen installations, garden taps) and heating systems (e.g. heat pumps, district heating, oil, gas and wood heating systems).

Rieder & Ritler AG 

Wiler (Lötschen) · Since 1975

The company Rieder & Ritler AG provides services in the fields of roofing, heating and sanitary technology. They offer customized solutions for customers and place great emphasis on highest quality and customer satisfaction.

Riggenbach AG 

Basel · Since 1948

Riggenbach AG designs, installs and services complete systems in ventilation, air-conditioning, refrigeration and energy technology. The company provides engineering, in-house sheet-metal production, assembly, maintenance and building automation, and manufactures custom units, ductwork and air outlets.

Riggenbach AG, Lüftungs- und Klimatechnik 

Olten · Since 1991

Riggenbach AG, Lüftungs- und Klimatechnik designs, constructs and services complete ventilation, air‑conditioning, refrigeration and energy systems. Its offerings include engineering, in-house sheet‑metal production, installation, building automation and maintenance with a 24-hour service line.

RMA Rolladen Moritz AG 

Pratteln · Since 1984

The core activity of Rolladen Moritz AG is the production and assembly of awnings and roller shutters, particularly lamella awnings and roller shutters, both for its own distribution and for third-party companies.

R. Mazzotta Gipsergeschäft GmbH 

Muri Ag · Since 2017

The core activity of R. Mazzotta Gipsergeschäft GmbH is the plastering trade, particularly the execution of plastering works in the construction industry.

Robert Keller AG 

Untersiggenthal · Since 1981

The core activity of Robert Keller AG is the provision of services and solutions in the field of building technology, particularly in the areas of sanitation, heating, piping and ventilation. The company offers installations, repairs and maintenance in these areas and is also responsible for the water supply of Untersiggenthal.