1'141 companies found
Holzschnitzelheizung Drei Kreuzern AG
Einsiedeln · Since 2003
The core activity of Genossame Dorf-Binzen is the management and utilization of forest and land, including forestry, alpine farming and timber sales. Additionally, the company is also active in the rental of properties and the maintenance of buildings and roads.
Holzwärmegenossenschaft Rafz (HWG)
Rafz · Since 1994
The core activity of Holzwärmegenossenschaft Rafz (HWG) is the generation and distribution of heat energy through the use of wood as a fuel. The company operates a heating plant and maintains a district heating network to supply heat to customers in the Rafz region.
House of Seba Switzerland AG
Schwyz · Since 2021
House of Seba Switzerland AG is a holding company that brings together firms and teams in applied science and implementation, converting research findings and patents into scalable industrial applications. It develops and applies patented ionization and processing technologies to modify the physical‑chemical properties of media—especially water—with applications in environmental, industrial, agricultural and other biological and technical systems.
Hugenschmidt + Weiss AG, Wärmetechnik
Binningen · Since 1988
Hugenschmidt + Weiss AG, Wärmetechnik provides consultancy, planning and installation of heating and thermal-engineering systems, including hydraulic energy supply and heat recovery for industrial, commercial and residential buildings. The company manufactures components in its own workshop, supervises quality and offers maintenance and emergency services.
Hüsser Energy GmbH
Deisswil B. Münchenbuchsee · Since 2024
Hüsser Energy GmbH invests in the development and expansion of renewable energy sources, including solar, wind, hydropower and geothermal systems, and works to improve their efficiency and reliability. The company sources electricity from Elektra Jegenstorf (100% renewable) and implements measures to reduce CO2 emissions and recycle materials.
Hydrelec GmbH
Würenlingen · Since 2009
Hydrelec GmbH provides services in hydropower and renewable energy. Its core activities include consulting, project engineering and realization, as well as the planning, construction and refurbishment of hydropower plants.
Hydroelectra AG
St. Gallen · Since 1986
The core activity of SN Energie is the generation, transmission and distribution of electrical energy, particularly through the operation of power plants, photovoltaic systems and other renewable energy sources. The company also provides services in the field of energy trading and energy distribution.
HYDRO Exploitation SA
Sion · Since 2002
HYDRO Exploitation SA provides operation and maintenance services for hydroelectric installations. Its activities include engineering studies, mechanical rehabilitation and workshop manufacturing, automation and control systems, measurement and inspection services, and other specialized maintenance support.
HYDRO-SOI SA
Val-D'Illiez · Since 2005
The core activity of the company "Hydro-Soi" is the generation and distribution of electricity.
IBW Technik AG
Wohlen Ag · Since 2001
IBW Technik AG provides electricity, gas and water supply services and related technical services such as network connections, installation inspections, public lighting, leak detection and geoinformation. Its services also include energy consulting, heat contracting (Wärme‑Contracting), installation solutions (including PV systems and e‑mobility) and a 24‑hour emergency service.
IDREL SA
Baar · Since 2010
The core activity of IDREL SA is the production of renewable energy from domestic hydropower through the operation of hydroelectric power plants.
Idrogen Engiadinais SA
Samedan · Since 2021
The core activity of Idrogen Engiadinais SA is the construction and operation of emission-free and grid-friendly ecosystems around hydrogen in the Engadine region, including the production of hydrogen from renewable energy, the construction of hydrogen refueling stations and the operation of hydrogen ecosystems. The company aims to build a complete hydrogen value chain and infrastructure in the Engadine region.
IG Appenzeller Naturstrom Genossenschaft
Oberegg · Since 2011
The core activity of IG Appenzeller Naturstrom is the production and supply of renewable energy, particularly through the construction and operation of eco-power generation facilities such as photovoltaic, biogas, hydro and wind power plants, with the aim of providing the region with sustainable energy.
IMION AG
Susten · Since 2022
The core activity of IMION AG is the generation, transportation and delivery of heat and cold through thermal networks, providing households and businesses with efficiently produced energy.
Industrielle Betriebe Kloten AG
Kloten · Since 1999
The core activity of Industrielle Betriebe Kloten AG (ibk) is the supply of households and businesses with energy and water, as well as the provision of services in the areas of energy efficiency and environmental protection. Specifically, this includes the delivery of electricity, water, natural gas, and heat, as well as the maintenance of photovoltaic systems, e-charging stations, and fiber optic networks. In addition, the company offers energy consulting, maintenance work, and guided tours.
Industrielle Betriebe Huttwil AG
Huttwil · Since 2002
The core activity of Industrielle Betriebe Huttwil AG (IBH AG) is the safe, sufficient, rational, environmentally friendly and economic supply of its customers with electricity and communication services. This includes in particular: the production and distribution of electricity; the operation and maintenance of power grids and plants; the provision of communication services, including internet, telephony and mobile communications; and the operation and maintenance of communication networks and plants, including cable networks and fiber optic lines.
InfraRoss SA
Rossinière · Since 2021
InfraRoss SA develops, finances and operates technical, energy and sustainable infrastructures to provide public services. The company aims to support the energy transition and achieve local carbon neutrality.
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.
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.
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Source: Federal Statistical Office, UID register