Energy & Environment

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.

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.

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.

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.

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.

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.

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.

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.

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.

GZM Extraktionswerk AG 

Lyss · Since 1991

H2 Bois SA 

Glovelier · Since 2021

The core activity of Groupe Corbat is the valorization of wood from regional forests, particularly in the production of wood products such as solid wood, construction timber, wood construction, wood cladding, parquet, outdoor wood, outdoor furniture, signage, railway sleepers, pellets and hydrogen.

H2GEMINI Technology Consulting GmbH 

Kammersrohr · Since 2023

The core activity of H2GEMINI is the development, construction and sale of processes and production machines for the manufacture of high-efficiency solar cells (HJT, tandem structures). This also includes the provision of complete solar cell production lines as part of turnkey projects, as well as special automation solutions, cleaning processes, PECVD and PVD equipment and processes.

Haab-Bossert GmbH 

Wädenswil · Since 1998

The core activity of Haab-Bossert GmbH encompasses the areas of green waste recycling, biomass farm, garden and landscape maintenance, as well as agriculture. Specifically, the company offers services such as collection of green and branch material, utilization of green waste, sale of products for garden and landscape construction, recycled fertilizer, mobile recycling, shredding, sieving, chopping, crushing, transportation, tree felling, agricultural contracting, soil cultivation, sowing, harvesting, fertilization, plant protection, plant protection products, and seeds.

Habilius GmbH 

Rüti Zh · Since 2000

The company offers services in the field of sustainability, particularly in the areas of sustainability reporting and sustainability strategy for companies. It also provides training and further education, seminars, team development and experience creation, as well as research and consulting in the areas of ecological, economic and social sustainability.

HABIT'AVENIR SA 

Ecublens Vd · Since 2023

HABIT'AVENIR SA provides energy-renovation services, including the design and installation of photovoltaic systems, battery storage, heat pumps and EV charging stations, as well as insulation, electrical work, renovation projects and maintenance.

Halbmil Biogas GmbH 

Chur · Since 2005

HAND IN HAND: STIFTUNG FÜR EINE NACHHALTIGE ENTWICKLUNG 

Winterthur · Since 2005

HAND IN HAND: STIFTUNG FÜR EINE NACHHALTIGE ENTWICKLUNG supports projects for sustainable development with a focus on environmental measures, microfinance and education and training. The foundation implements projects in Haiti including water access, soil irrigation and desalination, reforestation, village savings and loan systems, literacy and scholarship programs.

Hansesun Photovoltaik Swiss GmbH 

Kriessern · Since 2019

The core activity of Hansesun is the planning, assembly, installation and maintenance of photovoltaic systems (PV systems) for clean and renewable energy generation. The company also offers additional services such as the integration of heat pumps, hot water and e-car charging stations into the energy system, as well as the sale and installation of power storage and emergency power systems.

Hans Notter AG Boswil 

Boswil · Since 1979

The core activity of Hans Notter AG is the cleaning and maintenance of sewage pipes, including the use of state-of-the-art technologies such as video inspection, water recycling vehicles, rehabilitation robots and disposal and recycling facilities.

Hans Wiedmer 

Fankhaus (Trub) · Since 1992

The company's core activity is the provision of services and works in the field of building envelopes, particularly in the areas of: roofing, sheet metal work, facades, lightning protection systems, and scaffolding. In addition, the company also offers services in the field of photovoltaics, including the planning, execution, and maintenance of photovoltaic systems.

Haral GmbH 

Reichenbach Im Kandertal · Since 2014

The core activity of quh-energie is the planning, consulting and realization of biogas plants on farms in Switzerland, enabling sustainable, environmentally friendly and cost-effective energy production in the form of heat and electricity.

Haro AG 

Salenstein · Since 1983

Haro AG markets the Suntracker system, a solar-powered, GPS-controlled daylight delivery system that uses a rotating mirror, a high-reflectance light shaft and diffuser lenses to bring natural light indoors. The system is intended to reduce artificial lighting energy use and is presented for applications such as industrial buildings, schools, stables and hospitals.

Hartmann, Solartechnik 

Küblis · Since 2003

The core activity of Hartmann is the planning, installation and maintenance of solar systems in various sizes (up to 10 kWp, 10-30 kWp, 30-100 kWp and over 100 kWp).

Hasse Bau GmbH 

Fahrwangen · Since 2023

hassler energia alternativa ag 

Zillis · Since 1997

The core activity of Hassler Energia is the planning, installation and maintenance of sustainable energy solutions, particularly: solar systems for self-consumption and central energy supply (ZEV); battery storage as a supplement to PV systems; e-charging stations for clean e-mobility; island systems for mountainous areas without grid connection; and pellet heating as an alternative heat source. The company also offers consulting services to support customers in selecting and implementing sustainable energy solutions.

HAUSTECH wachter ag 

Utzenstorf · Since 1987

The company's core activity is the planning, installation, assembly and maintenance of building technology systems, particularly in the areas of heating, sanitation and bathroom facilities. The company also offers consulting and planning services and carries out pipeline construction and heat distribution. It is a building technology expert specializing in the installation and maintenance of building technology systems.

Haustrocknung.ch GmbH 

Moosseedorf · Since 2013

H Durable Sàrl 

Sierre · Since 2021

H Durable Sàrl is a sustainability consultancy offering services such as sustainability evaluations (EcoEntreprise, ESR), development of an Agenda 2030, CO2 footprint assessments and energy‑efficiency concepts. Its services also include energy‑crisis support programs, responsible procurement, sustainable collective catering guidance, and training and awareness activities.

HealthyMentis GmbH 

Vulpera · Since 2021

The company HEALTHY-LONGER develops and offers data- and evidence-based digital solutions to improve mental strength and resilience through personalized neuro-nutrients from food. The core activity includes the development of mental strength and health programs based on individual genetics, biomarkers, and needs, as well as the promotion of nutrient-rich foods from regenerative agriculture.

heatconnect AG 

Zufikon · Since 2020

The heatconnect AG is a service provider in the field of energy and district heating networks, particularly for connection lines, distributors, valves, house connections and internal piping. The core activity includes the planning, organization, installation and maintenance of heating systems, energy and district heating networks, including quality assurance and service. The company also offers comprehensive solutions and sub-projects and has its own workshop for the development of individual solutions.

HeatNeutral Sagl 

Osogna · Since 2016

The core activity of HeatNeutral is the development and manufacture of highly efficient heating systems, particularly burners that are 100% compatible with biofuels, thus enabling rapid decarbonization of the heating sector. The company specializes in the production of ultra-small droplets and offers CO2-neutral, cost-effective solutions for heat generation in the residential, commercial and industrial sectors.

Heatplan GmbH 

Niederuzwil · Since 2021

The core activity of Heatplan GmbH consists of planning, consulting and project management of heating and solar systems, including the creation of energy reports and the application for funding requests. This includes in particular: * Heating planning (renewable and alternative energy systems) * Solar planning (solar thermal and photovoltaics) * Specialist construction management of heating and solar projects * Energy consulting * Project management * Application for building and funding requests. Heatplan GmbH offers these services primarily for single-family and multi-family homes (EFH & MFH).

heatvolution ag 

Rotkreuz · Since 2022

The core activity of heat>olution AG is to offer a neutral platform for the implementation of renewable heating solutions. In doing so, the company supports building owners in planning, financing and implementing sustainable heating systems without having to bear the investments themselves. Through the platform, installers and enablers (investors) can be brought together to realize efficient and climate-neutral heat supply solutions.

HE Haustechnik und Heizsysteme GmbH 

Alpthal · Since 2015

The core activity of HE Schweiz - Haustechnik und Heizsysteme GmbH is the development, manufacture and marketing of heating systems, particularly for holiday homes and use in new construction, renovation and refurbishment projects. The heating systems are energy-efficient, fully automatic and can be combined with solar systems. The company also offers consulting and sales of heating solutions tailored to the specific needs of customers.

Heidi Solar SA 

Martigny · Since 2017

The core activity of Heidi Solar is the installation and sale of photovoltaic systems, enabling customers to cover their own electricity needs and feed surplus electricity into the grid, thereby generating an additional source of income.

HEIMA SAGL 

Lugano · Since 2020

Heima offers a comprehensive solution for the development and operation of sustainable and regenerative resorts and accommodations that focus on integrating nature and heritage. The core activities include: Developing and implementing concepts for sustainable and regenerative resorts and accommodations; Creating unique guest experiences that focus on connecting with nature and cultural heritage; Providing services to landowners, businesses, and public institutions to enable tourists to access nature and heritage while ensuring the preservation of untouched areas. Heima's core activities are thus in the field of sustainable tourism development and operation, with a focus on creating unique guest experiences and preserving nature and heritage.

Heinz Suchy Automobile 

Schlieren · Since 1985

The core activity of Heinz Suchy Automobile / Strahltechnik encompasses two main areas: 1. **Innovative Blasting Technology**: The company offers solutions in the field of blasting technology, particularly with PMB technology (Plastic Media Blasting), which is an environmentally friendly and pollutant-free method for surface treatment. 2. **Classic Car Restorations**: Heinz Suchy Automobile / Strahltechnik restores and maintains classic cars, with blasting technology being an essential part of the restoration process. In addition, the company also provides services such as conception and consulting for blasting plant construction, blasting training, and masking technology.

Heizgenossenschaft Knonau (HGK) 

Knonau · Since 1996

The company's core activity is the production and distribution of heat energy through a wood chip heating plant with a district heating network, particularly in the village center of Knonau, using local wood resources.

Heizgenossenschaft Hausen a.A. (HGH) 

Hausen Am Albis · Since 2020

Heizgenossenschaft Hausen a.A. (HGH) operates a wood-chip district heating plant and supplies heat to connected properties using locally sourced wood. Its statutes mandate exclusive use of regional wood resources and heat is distributed via a local district-heating network.

Heizungsmacher AG 

Basel · Since 2017

Heizungsmacher AG is a provider of solutions for the heat transition and energy transition. The company's core activity consists of planning, installing and maintaining heat pumps, photovoltaic systems, storage systems, inverters, battery storage systems and charging stations for private households. The company also offers monitoring and troubleshooting services and supports customers in applying for funding. Thanks to its brand-independent orientation, the company can offer individual solutions for its customers.

Heizverbund untere Kniri AG Stans 

Stans · Since 2009

The core activity of Heizverbund untere Kniri AG Stans is the production and distribution of heat energy to buildings in Stans, using a heating plant operated with wood chip furnaces and a pipeline network that supplies the heat energy to the connected buildings.

Heizverbund Kloster Kappel GmbH 

Kappel Am Albis · Since 2013

Heizwerk Oberdiessbach AG 

Oberdiessbach · Since 2010

The core activity of HEWO Heizwerk Oberdiessbach AG is the generation and supply of district heating for the provision of buildings with heating and hot water.

Heizwerk Uri AG 

Attinghausen · Since 2007

Heizwerk Uri AG supplies process heat and space heating to nearby industrial customers and to municipalities. The facility operates biomass boilers, feeds waste heat from on-site electricity production into the district heating network, and runs a heat plant at the Moosbad in Altdorf that serves the swimming pool and adjacent properties.

HELAMIN TECHNOLOGY HOLDING SA 

Le Grand-Saconnex · Since 2001

The core activity of Helamin Technology Holding Group is the development, manufacture and marketing of advanced, environmentally friendly water treatment products for steam boiler and cooling water systems under the HELAMIN brand. These products are designed to prevent corrosion and deposits in these systems and are used worldwide in various industries.

Helianthus AG 

Bachenbülach · Since 2022

The core activity of Helianthus AG is the planning, implementation and operation of photovoltaic systems on the roofs of industrial, commercial, office and agricultural businesses. The company offers its customers a comprehensive service, including permitting, installation, maintenance and marketing of the generated solar power, whereby customers do not have to make any investments and instead receive a roof rental fee or a fixed electricity price.

Helion Energy AG 

Cham · Since 2022

The core activity of Helion Energy AG is the planning, installation and maintenance of renewable energy systems, particularly photovoltaic systems, energy storage systems, heat pumps and charging stations for electric vehicles. The company also provides consulting and services in the field of energy efficiency and renewable energies.

HEMO Recycling AG 

Oberkirch Lu · Since 2021

The core activity of HEMO Recycling AG is the development, construction, sale and maintenance of plants for the recycling of asphalt, in particular the recovery of standard-compliant aggregates from old asphalt for new asphalt, concrete and mineral mixtures.

HempMate AG 

Brunnen · Since 2018

HempMate AG is active in the production and distribution of hemp products, particularly CBD products. The core activity includes the cultivation of hemp, the development and manufacture of hemp products, as well as the distribution of these products through various channels. The company emphasizes sustainability, naturalness, and quality, and strives to present hemp as a natural product in a positive light.

HEnergie Härkingen HEH 

Härkingen · Since 2005

The core activity of HEnergie Härkingen (HEH) is the supply of electricity and the operation of a distribution network for electricity in the Härkingen region. The company is 100% owned by the municipality of Härkingen and offers services such as electricity supply, meter reading, connection and disconnection, as well as fault repair services.