Energy & Environment

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9'003 companies found

Rutz & Co AG

Fahrweid · Since 2013

The core activity of Rutz & Co AG is the planning, execution and maintenance of sanitary and heating systems, including boiler renovations, in the Zurich region. The company also provides comprehensive consulting and innovative solutions in the field of building technology, with a focus on sustainability, energy efficiency and climate protection.

Solar & Photovoltaics

View profile4.9(48)

Sandra E. Pfiffner GmbH

Sommeri · Since 2003

The core activity of Pfiffner GmbH encompasses the execution of clearings and disposals, storage services, as well as the operation of second-hand shops. Specifically, the company offers the following services: Clearings and disposals of houses and apartments, Professional disposal and recycling, Storage of goods in own warehouses, Operation of second-hand shops in Amriswil and Kradolf. The company has discontinued its moving and cleaning services, which are therefore no longer part of its core activity.

Waste Management Industry

View profile4.8(48)

Schiess Recycling AG

Niederuzwil · Since 1989

The core activity of Schiess Recycling AG is the environmentally friendly collection, disposal and recycling of valuable and waste materials, particularly in the field of secondary raw materials management, including the dismantling of electronic recycling materials, the acceptance of special waste from households and the marketing of secondary raw materials.

Waste Management IndustryWholesale - Spare Parts & Residual Materials

View profile4.2(48)

Swiss-Green Engineering Sàrl

Murten · Since 2009

The core activity of Swiss-Green Engineering Sàrl is the sale and installation of solar energy systems, including the planning, consulting and maintenance of solar energy plants. The company offers a wide range of products and services, including solar modules, storage systems, inverters, mounting systems and accessories. It supports both the installation of solar energy systems for grid operation and for autonomous systems.

Solar & Photovoltaics

View profile3.5(48)

Sanitär- & Boilerservice Forestier GmbH

Münchenstein · Since 2025

Sanitär- & Boilerservice Forestier GmbH provides installation, maintenance and repair services for boilers (water heaters) and sanitary installations. Services include mechanical and chemical descaling, replacement and repair of thermostats, safety valve groups and pressure‑reducing valves, and a 24‑hour emergency service.

Waste Management Industry

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ENERGITECH Sàrl

Riddes · Since 2007

The core activity of Energitech is the planning, installation, optimization and maintenance of solar systems, including photovoltaic systems, battery storage systems and charging stations for electric vehicles, as well as consulting and implementing energy efficiency measures for private individuals and companies in the canton of Valais, Switzerland.

Solar & Photovoltaics

View profile4.9(47)

Systema Solis GmbH

Bottighofen · Since 2013

The core activity of Systema Solis GmbH is the planning, installation, maintenance and optimization of solar energy solutions, in particular photovoltaic systems, as well as the provision of services in the areas of electrical installations, roof renovations and cleaning.

Solar & Photovoltaics

View profile4.4(47)

EW Höfe AG

Freienbach · Since 1948

EW Höfe AG is a cross-utility company that provides energy and telecommunications services, including electricity, gas and telecom solutions. The company is the principal shareholder of Energie Ausserschwyz AG, which supplies CO2‑neutral district heating and electricity from regional renewable sources.

Solar & Photovoltaics

View profile3.8(46)

Kramer Logistik GmbH

Lenzburg · Since 2023

The core activity of Kramer company encompasses providing services in the field of reusing second-hand goods, including: * Clearing and relocation services * Transport and logistics * Sale of second-hand goods in own shops and at flea markets * Work integration and employment of people with limited access to the labor market * Cultural and event organization The company also pursues social and societal goals, such as promoting sustainability and supporting initiatives and projects in the social and environmental sectors.

Sustainability Sector

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Prokanal GmbH

Zurich · Since 2019

Prokanal GmbH provides cleaning, maintenance and rehabilitation services for sewers, drains and wastewater pipes. Its services include sewer cleaning, high-pressure flushing, mechanical clearing, CCTV (Kanal‑TV) inspection, shaft emptying, sewer rehabilitation and maintenance/contract services.

Waste Management Industry

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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.