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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,805 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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9'003 companies found

SANA Canalizzazioni SA Logo

SANA Canalizzazioni SA 

Davesco-Soragno · Since 2010

The core activity of SANA Canalizzazioni is the maintenance, repair and renovation of sewer and pipeline systems, including the elimination of blockages, leaks and other problems. Specific services include: rehabilitation of damaged structures, cleaning of sewer and pipeline systems, unblocking of toilets, kitchens, sinks and other drains, video inspections of sewer and pipeline systems, repair and replacement of pipes, and preventive maintenance and inspections of sewer and pipeline systems. The company offers these services 24 hours a day, 7 days a week and has specialized in solving problems in the field of sewer and pipeline systems.

Waste Management Industry
View profile4.6(12)
Sanitär Troxler AG Logo

Sanitär Troxler AG 

Inwil · Since 2011

The core activity of Sanitär Troxler AG is the planning, installation, maintenance and repair of sanitary systems, heating systems, comfort ventilation systems and thermal solar systems, particularly in the area of renovations and repairs in bathrooms, kitchens and agricultural businesses.

Solar & Photovoltaics
View profile4.8(12)
Scherrer Gebäudehüllen AG Logo

Scherrer Gebäudehüllen AG 

Henggart · Since 2010

The core activity of Scherrer company primarily encompasses services and works in the field of construction, particularly: * Timber construction * Pitched roofs * Facades * Flat roofs * Solar technology * Crane services In addition, the company also offers complementary services such as: * Building envelope maintenance * Marder control * Wasp control * Energy consulting * Planning and estimating * Building thermography * Blower-door tests The company appears to specialize in the planning, execution, and maintenance of building envelopes and technology.

Solar & Photovoltaics
View profile4.3(12)
Senero AG Logo

Senero AG 

Winterthur · Since 2005

Senero AG designs, installs and maintains photovoltaic systems and supplies battery storage, energy-management solutions, e-mobility services and off-grid systems. The company also provides engineering for large projects, system monitoring and training activities in photovoltaics.

Solar & Photovoltaics
View profile4.9(12)
SK Kanalservice GmbH Logo

SK Kanalservice GmbH 

Rudolfstetten · Since 2021

The core activity of SK Kanalservice GmbH is the provision of services in the field of sewer cleaning, renovation and maintenance, including emergency services, tightness testing, sewer TV inspection and suction work.

Waste Management Industry
View profile4.5(12)
SolarHub AG Logo

SolarHub AG 

Wolhusen · Since 2021

The core activity of SolarHub AG is the consulting, planning, implementation and sale of solar systems and related products such as solar panels, battery storage systems and inverters for private and commercial customers in Switzerland. The company also offers plug-and-play solar systems for self-assembly and complete solar systems for various roof types and construction methods.

Solar & Photovoltaics
View profile4(12)
SPÜL-TECH Saggese Logo

SPÜL-TECH Saggese 

Diessenhofen · Since 2016

The company SPÜL-TECH provides sewer cleaning services.

Waste Management Industry
View profile5(12)
Stalder R. GmbH Logo

Stalder R. GmbH 

Entlebuch · Since 1994

The core activity of Stalder R. GmbH encompasses the planning, installation and maintenance of building technology systems, particularly: heating systems (including wood storage systems and heat pumps), sanitary facilities, chimney construction, water supply, solar systems, central vacuum cleaners and comfort ventilation. The company thus offers comprehensive services in the field of building technology and building services engineering.

Solar & Photovoltaics
View profile5(12)
swisscondens.ch GmbH Logo

swisscondens.ch GmbH 

Zollikofen · Since 2015

The core activity of Swisscondens GmbH encompasses consulting, installation and implementation of projects in the field of building technology, particularly in the areas of heating technology, sanitary installation, solar and energy storage technology. The company also offers administrative and project management services and coordinates projects from a single source.

Solar & Photovoltaics
View profile5(12)
swissRTec AG Logo

swissRTec AG 

Altnau · Since 2006

The core activity of swissRTec AG is the development and provision of technologies and services for the recycling of electrical waste, cables, batteries, metal scrap and other materials. The company offers solutions for the processing and utilization of waste and focuses on maximizing the value of waste. This includes the development of plants such as delamination mills, vertical shredders and screening and separation processes, as well as services such as spare parts, service agreements, upgrades and retrofits, test facilities, financing and consulting/engineering.

Waste Management IndustryMechanical Engineering Industry
View profile4.6(12)
THE BATH SHOP AG Logo

THE BATH SHOP AG 

Zurich · Since 1996

THE BATH SHOP is a manufacturer and supplier of high-quality bathroom and sanitary products, including sinks, faucets, toilets, bathtubs, accessories and lighting. The company's core activity lies in the development, production and distribution of these products, which are characterized by their exclusive design, high quality and sustainability.

Waste Management Industry
View profile5(12)
Thommen SA Köniz & Givisiez Logo

Thommen SA Köniz & Givisiez 

Givisiez · Since 2005

Thommen SA Köniz & Givisiez provides recycling and waste management services, handling ferrous and non-ferrous metals, electronic waste, batteries, plastics, construction debris, paper/cardboard, vehicle recycling, overall disposal and logistics/packaging. The site originated from Karl Kaufmann AG and is integrated into the Thommen Group.

Waste Management Industry
View profile4(12)
Tirasol GmbH Logo

Tirasol GmbH 

Kyburg-Buchegg · Since 2022

The core activity of Tirasol GmbH is the planning, installation and maintenance of solar systems, as well as the provision of services in the field of energy management and electromobility. This includes in particular: The planning and installation of solar systems for private and commercial customers; The provision of services for the commissioning, maintenance and repair of solar systems; Support for the realization of solar projects, including obtaining quotes from installers and accompanying the construction process; The provision of charging solutions for electric vehicles and the integration of solar systems with electromobility solutions; Support for troubleshooting and maintenance of solar systems and energy management systems.

Solar & Photovoltaics
View profile5(12)
Quartierelektriker GmbH Logo

Quartierelektriker GmbH 

Basel · Since 2011

The core activity of Top Quartierelektriker is the provision of services in the field of electrical engineering, including: electrical installations, e-mobility, IT and telecommunications, security, solar energy, maintenance and service, as well as planning and consulting. The company offers these services to private and commercial customers in the Basel region and Northwestern Switzerland.

Solar & Photovoltaics
View profile4.3(12)
Werder AG Logo

Werder AG 

Waltenschwil · Since 1967

Werder AG is a building services company providing sanitary installations, heating systems and sheet-metal roofing (Bauspenglerei) services. Its offerings also include lightning protection, chimney systems, heating renovations, ventilation and bathroom/wellness solutions, and the website notes partnerships with manufacturers such as Artweger.

Sheet Metal WorkSolar & Photovoltaics
View profile4.3(12)
Buchli's Kyondo Logo

Buchli's Kyondo 

Sent · Since 2025

The core activity of Kyondo is the manufacture and distribution of handmade sisal products, particularly baskets, crafted by Kenyan artisans. The company supports the artisans through fair trade conditions and direct payment, ensuring them a sustainable income. Kyondo combines traditional Kenyan craftsmanship with global sustainability and social standards, selling the products through an online shop and a store in Switzerland.

Sustainability Sector
View profile5(12)
Agena SA Logo

Agena SA 

Forel (Lavaux) · Since 1988

The core activity of Agena consists in planning, implementing and maintaining plants for renewable energies, in particular: solar photovoltaic, solar thermal, heat pumps and battery storage. The company offers these solutions for various types of buildings, including residential, commercial, industrial and public buildings.

Solar & Photovoltaics
View profile4.3(11)
AKS Kanalsanierung AG Logo

AKS Kanalsanierung AG 

Zurich · Since 2023

The core activity of AKS-Kanalsanierung is sewer rehabilitation and cleaning, including related services such as sewer inspection, excavation work, 24-hour emergency service, spray technology and manual shaft rehabilitation.

Waste Management Industry
View profile4.2(11)
Avdili Elektro GmbH Logo

Avdili Elektro GmbH 

Glarus · Since 2021

The core activity of Avdili Elektro GmbH is the installation and distribution of solar systems as well as the provision of related services.

Solar & Photovoltaics
View profile5(11)
BASLER RÄUMUNG & ENTSORGUNG, Temürtürkan Logo

BASLER RÄUMUNG & ENTSORGUNG, Temürtürkan 

Basel · Since 2016

The core activity of Basler Räumung & Entsorgung is the professional execution of house and apartment clearances, including related services such as cleaning and clearance work, proper disposal, furniture and small transports, as well as handling antiques.

Waste Management Industry
View profile5(11)
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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.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.