ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The first Swiss company directory, built to boost AI visibility.

Product
  • Pricing
  • Directory
  • Industries
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

Filters
IndustryEnergy & Environment
Search results

Matching companies

9'016 companies found

Ground Up Project SA Logo

Ground Up Project SA 

Geneva · Since 2014

The core activity of Ground_Up Project is to identify and support small and medium-sized enterprises (SMEs) in developing countries that offer sustainable products and services contributing to the Sustainable Development Goals (SDGs). The company acts as an intermediary between these businesses and investors to facilitate access to financing opportunities, thereby promoting the implementation of the SDGs.

Sustainability SectorWeb Portals & Platform Companies
View profile
Groupe Bader SA Logo

Groupe Bader SA 

Le Mont-Sur-Lausanne · Since 2023

Groupe Bader SA provides services in recycling, material revalorization and transport. The company performs material recovery and processing and also manages real estate assets, offering rental spaces.

Waste Management Industry
View profile
Groupe des entreprises de valorisation des matériaux minéraux (GEV) Logo

Groupe des entreprises de valorisation des matériaux minéraux (GEV) 

Tolochenaz · Since 2022

The core activity of the company GEV (Groupe des entreprises de valorisation des matériaux minéraux) is to represent and support companies involved in the valorization and recycling of mineral materials. The focus is on promoting the common interests of member companies, supporting environmental protection measures and promoting sustainable practices in the industry.

Sustainability Sector
View profile
Groupe E Celsius SA Logo

Groupe E Celsius SA 

Fribourg · Since 1979

Energy Suppliers
View profile
Groupe E Greenwatt SA Logo

Groupe E Greenwatt SA 

Granges-Paccot · Since 2007

The core activity of Groupe E Greenwatt is the development and realization of projects in the field of renewable energies, particularly photovoltaic systems, hydroelectric power and wind farms, in collaboration with regional stakeholders and with the participation of the local population, with the aim of driving the energy transition and enabling a sustainable world for future generations.

Energy SuppliersSolar & Photovoltaics
View profile
Künzli-Rihs SA Logo

Künzli-Rihs SA 

Villeneuve Vd · Since 2018

The core activity of Groupe Kunzli consists of providing services in the field of environmental cleaning and remediation, including interventions in the areas of hygiene and wastewater management. Specifically, this includes: wastewater treatment and remediation, 365/24h emergency services for environmental cleaning and remediation, inspection, detection and rehabilitation of environmental damage, and environmental management and consulting. The company thus offers a wide range of services to protect and remediate the environment.

Waste Management Industry
View profile
Gruftis GmbH Logo

Gruftis GmbH 

Pieterlen · Since 2017

Gruftis GmbH provides clearances and waste removal services (house, apartment, cellar, attic) with an acceptance guarantee, together with small transport, various masonry and repair works, light excavation/grounds work and garden maintenance.

Waste Management Industry
View profile
grün&fein Bernhardsgrütter Logo

grün&fein Bernhardsgrütter 

St. Gallen · Since 2022

The core activity of the company "grün & fein" is the consulting, accompaniment and education of private individuals, schools and companies in the field of plant-based nutrition and the integration of nature themes into everyday life. This includes specific workshops, lectures and consultations on topics such as wild herbs, vegan nutrition, nature mentoring and energetic work.

Sustainability Sector
View profile
Grütter Consulting AG Logo

Grütter Consulting AG 

Reinach Bl · Since 2008

The core activity of Grütter Consulting is the consulting and implementation of sustainable transport solutions and climate finance projects worldwide. The company supports the development of green mobility concepts, particularly in the field of electromobility, and advises clients on the implementation of projects to reduce greenhouse gas emissions in the transport sector.

Sustainability Sector
View profile
Gsponer Solution GmbH Logo

Gsponer Solution GmbH 

Susten · Since 2022

The core activity of Gsponer Solution GmbH is the planning, consulting and implementation of projects in the field of renewable energies, particularly in the areas of photovoltaics, e-mobility and wind energy.

Solar & Photovoltaics
View profile
GTB Erdsondenbohrungen AG Logo

GTB Erdsondenbohrungen AG 

Wallisellen · Since 2015

The core activity of GTB Erdsondenbohrungen AG is the execution of ground source boreholes for the utilization of geothermal energy, particularly for the installation of ground source heat exchangers (GSHE) to extract heat from the ground. The company thus offers an environmentally friendly and sustainable solution for heating buildings.

Sustainability Sector
View profile
GT Solar Invest AG Logo

GT Solar Invest AG 

Herisau · Since 2010

The core activity of GT Solar Invest AG is the planning, implementation and maintenance of solar systems for companies and private individuals, particularly in the field of solar contracting, where the system is financed, installed and maintained by the company, while the customer uses the generated solar power, thereby reducing their energy costs and minimizing their CO2 footprint.

Solar & Photovoltaics
View profile
GTS Transportsysteme AG Logo

GTS Transportsysteme AG 

Volketswil · Since 1987

The core activity of GTS Transportsysteme AG is the development, manufacture and distribution of transport and disposal solutions, in particular containers, compression plants and other equipment for the waste management and construction industries.

Waste Management Industry
View profile
GTT Canalisations SA Logo

GTT Canalisations SA 

Vallamand · Since 2020

The core activity of GTT Canalisations SA consists of cleaning, maintenance and inspection of sewer pipes, including camera surveillance and pipe marking, as well as resolving issues with clogged or defective sewer pipes.

Waste Management IndustryLogistics & Transport Companies
View profile
Guggisberg Dachtechnik AG Logo

Guggisberg Dachtechnik AG 

Wabern · Since 2003

The core activity of Guggisberg includes the planning, execution and maintenance of building envelopes, including roof, façade and energy systems. This specifically includes: Roofing work (pitched roofs, flat roofs), façade construction and renovation, energy-efficient renovations and optimizations, sheet metal work and metal processing, lightning protection and sealing. The company offers these services for new construction projects as well as for the renovation and maintenance of existing buildings, ranging from single-family homes to commercial complexes.

RoofingSolar & Photovoltaics
View profile
GUNEP AG Logo

GUNEP AG 

Jegenstorf · Since 2007

GUNEP AG is a planning firm for sustainable energy projects that designs and implements heat supply systems using wood and solar energy and provides photovoltaic solutions for medium and large properties. Services include planning, consulting and implementation of district heating systems, photovoltaic and thermal solar installations, and condensing boiler systems.

Energy SuppliersSolar & Photovoltaics
View profile
Günthardt Solar Elektro Support GmbH Logo

Günthardt Solar Elektro Support GmbH 

Regensdorf · Since 2012

The core activity of Günthardt Solar Elektro Support GmbH is the planning, construction and maintenance of solar systems for private households and companies, in order to generate clean and cost-effective energy and increase energy efficiency.

Solar & Photovoltaics
View profile
gutwasser GmbH Logo

gutwasser GmbH 

Zurich · Since 2018

The core activity of the company "gutwasser GmbH" is the implementation of biological investigations of aquatic systems, in particular the research and analysis of macrozoobenthos (invertebrate organisms) in waters. This includes fieldwork, species identification and the assessment of species diversity in flowing waters, standing waters, moors and springs. The company also offers services in the areas of environmental education, public relations, quality assurance and expert opinions.

Sustainability Sector
View profile
Gwerder-Energie-GmbH Logo

Gwerder-Energie-GmbH 

Glattfelden · Since 2016

The core activity of Gwerder-Energie-GmbH is the planning, installation and realization of photovoltaic systems, as well as calculating the most economically efficient energy mix for customers.

Solar & Photovoltaics
View profile
GZM Extraktionswerk AG Logo

GZM Extraktionswerk AG 

Lyss · Since 1991

Waste Management Industry
View profile
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
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.
Per page
102050
  • 1
  • More pages
  • 197
  • 198
  • 199
  • 200
  • More pages
  • 451
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.