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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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IndustryEnergy & Environment
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9'016 companies found

MET Renewables AG Logo

MET Renewables AG 

Baar · Since 2017

MET Renewables AG is the Green Asset Division of MET Group, focusing on the development and production of onshore wind and solar energy.

Solar & Photovoltaics
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Mettler & Co., Kaminfeger- und Dachdeckergeschäft KLG Logo

Mettler & Co., Kaminfeger- und Dachdeckergeschäft KLG 

Winterberg Zh · Since 2004

The core activity of Mettler & Co. is the provision of services in the chimney sweep and roofing business, including chimney sweep work, measurement technology, maintenance, heat technology, ventilation, pitched roof, flat roof, facade and insulation, as well as planning and consulting for renovations, conversions and new buildings in the Zurich region.

Solar & Photovoltaics
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M. Grunder Abbruch + Entsorgung GmbH Logo

M. Grunder Abbruch + Entsorgung GmbH 

Münchenstein · Since 2010

M. Grunder Abbruch + Entsorgung GmbH performs dismantling of heating, ventilation, sanitary and cooling systems, pipelines and oil tanks (including decommissioning), provides construction-site waste disposal, and handles the careful installation of new equipment or machines into buildings.

Waste Management Industry
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Michel Ostertag GmbH Logo

Michel Ostertag GmbH 

Himmelried · Since 2010

The core activity of Michel Ostertag GmbH is energy consulting, energy planning, photovoltaic systems, building physics and building thermography, particularly in the areas of energetic renovation, energy efficiency and sustainability, heating and solar as well as building physics and building thermography.

Solar & Photovoltaics
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Michel Sanitär + Heizung GmbH Logo

Michel Sanitär + Heizung GmbH 

Bönigen B. Interlaken · Since 2016

The core activity of Michel Sanitär + Heizung GmbH consists of planning, executing and maintaining heating and sanitary installations, including the assembly and repair of heating systems, sanitary appliances and pipes, as well as the implementation of bathroom renovations and the installation of thermal solar systems and heat pumps.

Solar & Photovoltaics
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Micocene Sagl Logo

Micocene Sagl 

Locarno · Since 2022

The core activity of the company Micocene is the cultivation of edible and functional mushrooms.

Sustainability Sector
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MicroChange AG Logo

MicroChange AG 

Walchwil · Since 2021

The core activity of MicroChange is the development and provision of solutions for water pollution problems, particularly through the development of modular product components for water purification, including mechanical filtration, adsorption and other techniques. The company focuses on developing cost-effective and environmentally friendly solutions that meet the United Nations' Sustainable Development Goals.

Sustainability Sector
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MicroTrans Chris Rusterholz Logo

MicroTrans Chris Rusterholz 

Au Zh · Since 2019

The core activity of Microtrans includes: * Clearing and disposal of apartments, cellars, barns and other premises * Small transports of furniture, plants, equipment and other bulky or sensitive items * Evacuation of apartments, cellars, barns and other premises * Assembly of USM furniture. The company offers these services in the regions of Richterswil, Wädenswil, Horgen and Thalwil.

Waste Management Industry
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Microwave Solutions GmbH Logo

Microwave Solutions GmbH 

Riehen · Since 2019

The core activity of Microwave Solutions GmbH is the development and application of microwave technology for recycling and conversion of materials, particularly for the depolymerization and cracking of plastics, rubber, biomass and other waste materials into valuable chemicals, fuels, gases and hydrogen. The company offers a modular and cost-effective solution for the material recycling industry.

Waste Management Industry
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MieleVita Sàrl Logo

MieleVita Sàrl 

Nyon · Since 2023

The core activity of MieleVita is to support beekeepers and enable them to focus on a smaller number of bee colonies, ensuring higher quality care and protection of the bees. This is achieved through a sponsorship model, where private individuals or organizations sponsor bee colonies, thereby enabling beekeepers to professionalize their activities and improve the health of the bee colonies.

Sustainability Sector
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Mieterstrom GmbH Logo

Mieterstrom GmbH 

Adliswil · Since 2022

The core activity of Mieterstrom is the use of local, renewable solar energy for electricity production and distribution, particularly in the context of tenant electricity offers, in order to contribute to climate protection and the energy transition 2050.

Energy Suppliers
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MILANI RECYCLING Sagl Logo

MILANI RECYCLING Sagl 

Mezzovico · Since 2024

Waste Management Industry
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Milenkovic Energy Solutions Logo

Milenkovic Energy Solutions 

Spreitenbach · Since 2020

Milenkovic Energy Solutions specializes in the planning, development and implementation of energy efficiency solutions, particularly in the areas of heating, air conditioning, refrigeration, ventilation and photovoltaics. The core activities include the conception and implementation of customized solutions for solar thermal and PV systems, wood chip firing systems, heat pumps, district heating, biomass and gas/oil boilers, as well as the development of energy optimization concepts.

Solar & Photovoltaics
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Mil-tek SA Logo

Mil-tek SA 

Lausanne · Since 2002

The core activity of Mil-tek SA/AG is to provide services and solutions in the field of waste management, particularly waste separation, compaction and recycling, for companies and industries of all sizes. The company offers customized waste disposal services tailored to the specific needs of various industries such as LEAN manufacturing, automotive, hotels and restaurants, production and logistics, retail, construction and renovation, healthcare and schools and universities.

Waste Management Industry
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Minde Technologies GmbH Logo

Minde Technologies GmbH 

Fehraltorf · Since 2023

Minde Technologies GmbH provides ICT and renewable energy solutions and facilitates technology partnerships between Europe and China. The company delivers ICT services (networking, system design, application development), OEM/ODM production support, renewable energy consulting, market analysis and system integration, and supplies solutions such as 5G private networks, fiber-optic transceivers, energy storage systems and EV charging solutions.

Sustainability SectorIT Consulting & Services
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minowa gmbh Logo

minowa gmbh 

Scheunen · Since 2023

minowa gmbh provides industrial electrical installations, engineering, electrical inspections, automation, photovoltaic systems and e-mobility solutions. The company offers project planning, implementation and maintenance of electrical installations for industrial, commercial, municipal and private clients.

Technical Consulting & EngineeringElectrical Planning & InstallationSolar & Photovoltaics
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Miotto AG Logo

Miotto AG 

Reinach Bl · Since 1976

The core activity of Miotto AG is the installation, maintenance, repair and renovation of heating systems, as well as the planning and installation of solar systems, including photovoltaic and solar thermal systems, for private and business customers in the Basel region.

Solar & Photovoltaics
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Mirako GmbH Logo

Mirako GmbH 

Bolligen · Since 2013

Mirako GmbH operates across several business areas and develops product ideas, platforms and services. Its offerings include Solaronic (plug-and-play solar systems for balconies, terraces, roofs and gardens), 7eleven Webdesign (web design, social media, SEA and IT services) and Where to Brunch (a Swiss brunch directory).

Solar & PhotovoltaicsIT Consulting & ServicesWeb Portals & Platform Companies
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Missionaries of Charity Logo

Missionaries of Charity 

Zurich · Since 2020

The core activity of the company 'Flying Croissant' consists of the weekly collection of leftover baked goods from small bakeries and their distribution to needy, charitable organizations in Zurich.

Sustainability Sector
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Mittner Engineering AG Logo

Mittner Engineering AG 

St. Moritz · Since 2011

The core activity of Mittner Engineering AG is the planning, control and servicing of electrical systems, including: electrical planning, installation of high and low voltage systems in new and renovation projects, energy optimization, renovation of lighting systems, planning and installation of photovoltaic systems, planning and installation of alarm systems, planning and installation of UKV/LWL and TV/SAT systems, and building automation. The company offers these services as an electrical planner and service provider in the regions of St. Moritz, Müstair, Märstetten and surrounding areas.

Construction & Project ManagementElectrical Planning & InstallationSolar & Photovoltaics
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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.