Plumber in
Wil SG

Schönenberger & Partner AG Sanitäre Anlagen

Since 2017 · 1–10 empl.·4.9(47)

Schönenberger & Partner AG Sanitäre Anlagen plans, installs and maintains plumbing, heating and ventilation systems. Its services include solutions for new buildings, conversions and renovations, as well as consulting, planning and maintenance.

Hosch AG

Since 1975 · 11–20 empl.·5.0(12)

The core activity of HOSCH AG is water treatment, particularly the development and distribution of systems and plants for the decalcification, softening and purification of drinking water, as well as protection against corrosion and legionella.

Emil Wick Ing. AG

Since 1979 · 1–10 empl.·4.4(25)

Emil Wick Ing. AG is a heating and building-technology company that provides planning, installation, renovation and maintenance services for heating systems, including heat pumps and an emergency service. The company also offers consultation for building projects and apprenticeships.

Martin Schönenberger AG Wil

Since 1983 · 1–10 empl.

Martin Schönenberger AG Wil is a building-envelope company that provides sheet‑metal (spengler) work, pitched and flat roof installations, and facade construction. Other services include natural slate work, lightning protection, photovoltaic systems and building maintenance.

NEUTHERM AG WIL

Since 1989 · 1–10 empl.

Aljiti Haustechnik GmbH

Since 2020 · 1–10 empl.·4.9(8)

The core activity of Aljiti Haustechnik GmbH is the provision of services in the field of building technology, particularly in the areas of sanitation, heating and service. This includes the installation, maintenance and repair of sanitary facilities and heating systems, as well as the performance of boiler descaling. The company also offers a 24-hour emergency service to provide customers with quick and reliable support in case of problems with their building technology systems.

kobelt energie GmbH

Since 2013 · 11–20 empl.·4.0(4)

kobelt energie GmbH provides consulting, planning and installation services in building services engineering and energy systems. Activities include heating renovations and work on heating, ventilation, air conditioning, sanitary installations, solar/photovoltaic systems and water treatment, with collaboration with specialist partners for complex projects.

Häseli & Herzog Haustechnik GmbH

Since 2022 · 1–10 empl.·5.0(3)

The core activity of Häseli & Herzog Haustechnik GmbH is the planning, consulting, execution and maintenance of sanitary and heating systems for private and commercial customers.

Proreform Bau GmbH

Since 2025 · 1–10 empl.

Proreform Bau GmbH provides plastering, sanitary installations, demolition, painting, flooring, and renovation/restoration services. The company plans and carries out these construction services using modern equipment and professional trade expertise.

Saba Bau GmbH

Since 2026 · 1–10 empl.

Saba Bau GmbH is a construction company that provides new-build projects, renovations, repairs and the procurement of building materials. The company also works in sanitary, heating and flat-roof related tasks as well as technical building services.

N. Stucki Sanitär / Spenglerei AG

Since 1995 · 1–10 empl.

GF Wärmetechnik Ferati

Since 2008 · 1–10 empl.