Specialized Construction Installations in the
Canton of Schaffhausen

Suter Fenster und Haustüren GmbH

Since 2018 · 11–20 empl.·4.8(171)

The company Suter Fenster und Haustüren GmbH is a specialist firm that specializes in the planning, consulting, delivery and installation of windows, front doors, sun protection and insect protection systems.

Trevisi Sonnenschutzsysteme

Since 2011 · 1–10 empl.·5.0(10)

The core activity of Trevisi Sonnen- und Insektenschutzsysteme is the development, manufacture and distribution of sun and insect protection systems, including awnings, sun blinds, louvre blinds, insect screens, fixed frames, doors and sliding systems. The company also offers repair and maintenance services for its products.

TeKoSi AG

Since 1993 · 1–10 empl.

TeKoSi AG provides door systems, access control and specialised door engineering. The company offers project preparation and SIA phase planning, construction management, installation and automation including door-management systems, and performs maintenance, troubleshooting, inspections and expert assessments.

Scherrer Gebäudetechnik AG

Since 1996 · 1–10 empl.

The company provides services in the areas of plumbing, heating and ventilation, particularly planning, installation and maintenance of heating, plumbing and ventilation systems, as well as bathroom planning and equipment.

Lüftungs-Service Akeret GmbH

Since 2000 · 1–10 empl.

The core activity of Lüftungs-Service Akeret GmbH is the provision of services in the field of ventilation technology, particularly in the installation, maintenance and cleaning of ventilation systems.

OekoCool AG

Since 2007 · 1–10 empl.

The core activity of OekoCool AG is the provision of services in the field of building technology, particularly in the areas of heating, ventilation and air conditioning. This includes consulting, planning and owner representation for renovations, new constructions and the operational optimization of building and energy technology systems.

Hug Feuerungstechnik GmbH

Since 2013 · 1–10 empl.

The core activity of Hug Feuerungstechnik GmbH is the execution of chimney sweep work, furnace inspections and cleaning, as well as the installation and maintenance of furnace systems, particularly oil, gas and wood-fired furnaces. This also includes fire protection and energy consulting, the sale and installation of small furnace systems and accessories, as well as ventilation cleaning.

Ost-West Anlagenmontage GmbH

Since 2022 · 1–10 empl.

Ost-West Anlagenmontage GmbH provides industrial assembly services, including pre-assembly and installation of piping systems, structures, tanks and valve blocks, as well as assembly and dismantling of individual machines and technological units.

Preuss GmbH

Since 2023 · 1–10 empl.

The company provides tailored solutions for building technology, particularly in the areas of ventilation, air conditioning, insulation, and fire protection. It develops and implements efficient and sustainable building technology systems to optimize energy consumption and increase comfort. Additionally, it offers specialized services for data centers, including air conditioning and air circulation.

Hardmorgen AG

Since 2021 · 1–10 empl.·5.0(1)

The core activity of Hardmorgen GmbH is the planning, installation, maintenance and repair of technical systems in building technology, including heating, ventilation, air conditioning and other systems, as well as the painting and surface treatment of components. The company also offers services such as design, assembly and service to make buildings, systems and processes more efficient.

Thomas Widmer Rollladen und Storen

Since 2014 · 1–10 empl.·3.0(2)

The core activity of Storen Widmer is the repair and re-installation of sun protection systems, particularly awnings, roller shutters, blinds, aluminum shutters, folding shutters and wooden roller shutters. The company offers repair services for all brands and products and specializes in the field of sun protection and weather protection.

Oels GmbH

Since 2025 · 1–10 empl.

Oels GmbH designs, manufactures and installs custom-made handrails for stairs indoors and outdoors. The company offers versions in stainless steel, aluminium and wood, with optional LED lighting, and provides consultation, measuring and installation services.