Energy & Environment

International Foundation for Sustainable and Ethical Evolution 

Interlaken · Since 2012

International Foundation for Sustainable and Ethical Evolution promotes sustainable, ethical and evolutionary thinking and action, and runs community projects and campaigns such as clean‑up events and the "Cycling Against Plastic" initiative while offering speakers and awareness activities.

International Power Invest AG 

Düdingen · Since 2013

The core activity of IPI AG is the development and provision of innovative business solutions in the field of renewable energies, particularly in the areas of: * Renewable energy generation (e.g. wind energy, solar energy) * Energy storage (e.g. battery storage) * Wastewater treatment (e.g. sludge treatment) * Development and provision of innovative technologies and products for a sustainable future. The company focuses on research, development and implementation of solutions that are both economically and ecologically sustainable.

International Recycling and Metal Company SA 

Sion · Since 2012

The core activity of International Recycling and Metal Company SA is the trade and recycling of metals, particularly iron and non-ferrous metals.

Intrevo AG 

Volketswil · Since 2024

Intrevo AG provides professional cleaning services for photovoltaic systems, including solar module cleaning, roof cleaning and weeding, conservatory and forecourt cleaning, and electrical cabinet cleaning. The company uses pure‑water systems without chemicals and specialized brushes, and performs work with trained personnel.

intueri AG 

Zurich · Since 2008

intueri AG offers energy solutions that combine solar electricity with hydrogen storage and provides consulting to achieve an independent power supply for residential and mobile uses.

invotas AG 

Zollikon · Since 2013

invotas AG develops and manages renewable energy and water treatment projects, delivering services from site acquisition and financing to turnkey construction and operational monitoring. The company provides solar and wind contracting, sourcing support in Taiwan and China, and facilitates investor access to sustainable projects.

IONTEC GmbH 

Benken Sg · Since 2007

The company's core activity is the planning, installation and maintenance of photovoltaic systems for private and commercial use, with the aim of enabling customers to use cost-effective solar energy and contribute to environmental protection.

IQ Consult GmbH 

Basel · Since 2011

The Institut Bauen und Umwelt e.V. (IBU) primarily focuses on creating, verifying, and publishing Environmental Product Declarations (EPDs) for construction products. The core activity of the IBU is to support companies in the construction products industry in creating EPDs to promote sustainable building. This includes coordinating EPD verifications, providing an EPD platform, publishing EPDs, and conducting network activities and communication with sustainability experts, policymakers, and standardization bodies.

Isemann - Kuratierte Denkräume 

Wolfhausen · Since 2024

The company provides consulting and strategy development services for businesses, particularly in the areas of sustainability and socio-ecological transformation. The focus is on developing strategies and solutions that integrate ecological, social, and economic aspects while being economically viable. The core activities include: Strategic planning and implementation of sustainability strategies, Development of solutions for agro-ecological development and sustainable value chains, Integration of environmental, social, and governance (ESG) aspects into corporate strategies, Accompanying companies in the implementation of socio-ecological transformations, Development of innovation models for businesses. The company operates according to the Triple Bottom Line model, which promotes the integration of ecological, social, and economic aspects into corporate strategies.

Isler Solar Chlutteri GmbH 

Brunnadern · Since 2023

The core activity of Isler Solar Chlutteri GmbH is the planning, procurement and installation of solar and photovoltaic systems for sustainable and free energy.

ista swiss ag 

Oftringen · Since 1973

The company's core activity is the development and provision of solutions for optimizing buildings in terms of energy efficiency, safety and comfort. This includes the collection and management of data as well as the provision of technologies and services that enable buildings to be made more climate-friendly, safer and more comfortable.

iStrom AG 

Wohlen Ag · Since 2013

The core activity of iStrom AG is the independent procurement of electricity for energy suppliers and network operators. They bundle electricity quantities and procure them under optimal conditions directly on the market, enabling their customers to have efficient and transparent electricity procurement.

ivolt AG 

Diessbach B. Büren · Since 2010

The core activity of ivolt ag is the planning, implementation and optimization of solar systems as well as the integration of energy storage and e-mobility solutions. The company offers various services, including the installation of solar roofs, optimization of self-consumption, visualization of performance data and integration of battery storage systems. Furthermore, ivolt ag supports customers in the implementation of e-mobility projects and offers repair and maintenance services.

iwas-concepts AG 

Ettingen · Since 2001

The core activity of iwas-concepts AG is the development and implementation of innovative recycling solutions, particularly for plastic waste and glass fiber reinforced duroplastics (GFK). The focus is on the reuse and return of these waste products to the material cycle, in order to contribute to the sustainability of the economy and environmental protection.

Jacques Studer ÖkoBüro 

Fribourg · Since 2008

The company ÖkoBüro is a planning and consulting firm specializing in the implementation of concrete measures in favor of nature and biodiversity. The company's core activities include: urban ecology and nature in the settlement area, river revitalizations, agriculture and biodiversity, accompaniment of gravel extraction projects, environmental impact assessments, habitat inventories, creation of biotopes and plantations, nature reserve maintenance, environmental education and courses, and development and design of information materials. The company thus offers a wide range of services focused on promoting and protecting nature and biodiversity.

jaggigroup ag 

Itingen · Since 1998

The core activity of jaggigroup ag includes the planning, installation and maintenance of electrical systems as well as the sale of household appliances. Specific services include electrical installations, communication technology, photovoltaic systems, smart home solutions, lighting, security systems and e-mobility solutions.

Jakob Stiefel Technik AG 

Wetzikon Zh · Since 1984

Jakob Stiefel Technik AG provides engineering and plant-construction services for the thermal recovery of waste and biomass based on grate and rotary-kiln combustion systems. The company’s offerings include planning, fabrication and installation of complete combustion plants, components such as bunker doors, waste shears, slag-removal and transport systems, plus control technology and maintenance/service.

Janitsch AG 

Kirchberg Be · Since 2019

Janitsch AG is a building-envelope company specializing in roof work and related services. Offerings include pitched roofs, flat roofs, scaffolding, photovoltaic installations, roof windows, and roof maintenance and repairs for new construction and renovation projects.

Jaschok Solar GmbH 

Arlesheim · Since 2014

The core activity of Jaschok Solar GmbH is consulting, planning and installing solar systems, new heating systems and roof renovations in the field of renewable energies.

Jatropower AG 

Baar · Since 2007

The core activity of JATROPOWER AG is the research, development and marketing of Jatropha products, in particular Jatropha seeds, oil and other derivatives. The company also offers services such as remote site evaluation, plantation profitability assessment and plantation management support. Furthermore, JATROPOWER AG is active in the development of certifiable CO2 removal processes.