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9'017 companies found

Haustechnik Oppliger AG

Othmarsingen · Since 2009

The core activity of Haustechnik Oppliger AG encompasses the planning, installation, and maintenance of building technology systems, including: Sanitary technology (installation and maintenance of sanitary facilities), Plumbing (installation and maintenance of plumbing work), Heating (installation and maintenance of heating systems), Solar and photovoltaic technology (installation and maintenance of solar and photovoltaic systems). The company also offers service and maintenance services for these areas.

Sheet Metal WorkSolar & Photovoltaics

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H. Lenz AG

Niederuzwil · Since 1993

H. Lenz AG provides solar and building-technology services including consulting, planning, manufacturing, installation and maintenance of heating and solar systems. The company produces custom solar collectors and heating elements, supplies photovoltaic and solar-thermal systems, and represents Variotherm in Switzerland.

Solar & Photovoltaics

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Illi Kontrolle AG

Willisau · Since 2020

Illi Kontrolle AG carries out inspections of electrical installations in accordance with the Low‑Voltage Installation Ordinance (NIV) and issues the required safety certificate (SiNa) following the inspection.

Solar & Photovoltaics

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Lenz Heiner

Niederuzwil · Since 1988

Lenz Heiner provides planning, supply, installation and maintenance of heating and solar systems, including custom-made solar collectors and heating rails. Offerings include photovoltaic and solar-thermal systems, heat pumps, floor/wall/ceiling heating solutions and technical after-sales support.

Solar & Photovoltaics

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Morosoli Protezioni Solari Sagl

Capolago · Since 2014

The core activity of Morosoli Protezioni Solari Sagl is the design, installation and maintenance of various types of sun protection systems, such as awnings, shutters, sun shades, insect screens, pergolas and canopies. Additionally, the company also offers services in the field of automation of sun protection systems, gates and garage doors.

Solar & Photovoltaics

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Neuenschwander AG Mulden-Service + Entsorgung

Lohn-Ammannsegg · Since 2012

The core activity of Neuenschwander AG is the provision of services in the field of waste disposal and transportation of waste and goods. This includes in particular: The rental and deployment of skips and containers for waste disposal, the transportation of waste and goods by trucks and crane trucks, the provision of municipal services such as waste and cardboard collection, winter maintenance, and the disposal of special waste and goods with special vehicles and equipment. The company thus offers a comprehensive range of services in the field of waste disposal and transportation and positions itself as a reliable partner for private individuals, companies, municipalities, and industrial enterprises.

Waste Management Industry

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Schneider & Sutter AG

Basel · Since 1971

The core activity of Schneider + Sutter AG is the planning and execution of heating and ventilation systems, in particular the installation and maintenance of heating systems. The company also offers sanitary emergency services and has a 24-hour standby service.

Solar & Photovoltaics

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Schnyder Elektro AG Aesch

Aesch Lu · Since 1992

The core activity of Schnyder Elektro AG encompasses electrical installations and building automation, including: strong and weak current installations, lighting technology (LED, LCC, OLED), photovoltaic systems (AC side), industrial controls (SPS, LOGO), building automation (bus systems, security and video surveillance), and service and maintenance of electrical systems. The company also offers consulting and planning of electrical projects and has a showroom where customers can discuss and visualize their ideas.

Electrical Planning & InstallationSolar & Photovoltaics

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Syngenta Agro AG, Basel Branch

Basel · Since 2008

Syngenta Agro AG, Basel Branch is a science-based agriculture company that develops and supplies crop protection products, seeds, biological solutions and digital farming tools, and conducts research and product support for farmers.

Sustainability Sector

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Syngenta Agroservices Asia AG

Basel · Since 1931

Syngenta Agroservices Asia AG provides products and services in crop protection, seeds, biologicals and digital farming. Offerings include crop protection products, seed solutions, biocontrols/biologicals and digital decision-support tools such as CROPWISE.

Sustainability Sector

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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?

The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.

How do keywords work?

Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.

What belongs in the postal code field?

A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.