Plumber in
St. Margrethen SG
13 companies in Plumber based in St. Margrethen SG — name and year of registration from the commercial register. The list below shows them all.
All 13 companies in St. Margrethen SG
WWS Wärme- Wassertechnik AG
Since 1978 · 11–20 empl.4.9(21)
WWS Wärme- Wassertechnik AG plans and installs heating and plumbing systems for new builds and renovations, as well as industrial and public buildings. Its services also include heating and plumbing maintenance and repairs, bathroom renovations, and pipeline construction.
HPA Handel-Planung-Ausführung AG
Since 1992 · 1–10 empl.4.3(19)
HPA Handel-Planung-Ausführung AG manufactures tanks and offers drinking water storage tanks, buffer tanks, combination tanks and small-batch production.
Walter Bösch AG
Since 1983 · 101–500 empl.
The core activity of Walter Bösch AG is the development, manufacture and distribution of air handling units, heating, air conditioning and ventilation solutions, as well as building automation systems. In addition, the company offers comprehensive services such as customer service, maintenance, troubleshooting and renovation consulting.
TGS Technischer Gebäude Service AG
Since 2015 · 11–20 empl.
TGS Technischer Gebäude Service AG maintains and renews building systems for heating, plumbing, solar energy, ventilation, air conditioning, refrigeration, electrical and safety technology. Its services also include modernising and optimising energy systems and digitally monitoring installations.
LAMBDA Schweiz GmbH
Since 2021 · 1–10 empl.
The company Huggler Wärmepumpen specializes in the planning, installation and maintenance of heat pump systems.
GRAVAG Energie AG
Since 1979 · 21–50 empl.2.7(9)
GRAVAG Energie AG supplies and trades energy and provides energy services and heating solutions. The company operates and maintains gas distribution networks, installs heating systems, and supplies natural gas and biogas to households, businesses and industry.
ROHRFIX GmbH
Since 2026 · 1–10 empl.
ROHRFIX GmbH provides pipe and sewer services. Its work includes cleaning and camera inspection of pipes, trenchless rehabilitation using spraylining, maintenance and emergency services.
Hörburger AG Luft- und Klimatechnik
Since 1989 · 1–10 empl.
Walter Hepp GmbH
Since 2016 · 1–10 empl.
Prusevic EMPRU Haustechnik
Since 2017 · 1–10 empl.
Buhmann Consulting
Since 2017 · 1–10 empl.
Neptun Haustechnik GmbH
Since 2023 · 1–10 empl.
Plumber in St. Margrethen SG
Plumber in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
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