Energy & Environment

Henry & Delacuisine Service Voirie SA 

Crissier · Since 2016

The core activity of Henry & Delacuisine Service Voirie SA is the collection, recycling and recovery of waste. The company provides services in the field of waste management, including the collection of household waste, the recovery of materials and the provision of solutions for waste disposal.

Henry Transports SA 

Aclens · Since 2011

Henry Transports SA provides transport and logistics services including skip/container and flatbed transport, multi-container/multi-lift trucks, crane trucks, and the transportation of construction machinery and materials. Services also include asphalt/thermos transport, concrete transport and pumping, sale of construction materials (including big-bags), snow-clearing, and waste management with a mobile recycling/deposit service.

Hertzfeld Bioenergie GmbH 

Einsiedeln · Since 2022

Hertzfeld offers sustainable waste management solutions for businesses and institutions. The core activity involves converting waste into valuable resources by utilizing innovative technologies to transform waste into high-quality materials such as compost, fertilizer, biogas, and other products. This is achieved through the implementation of modular products like the Carbon Reducer, Carbon Eater, and upcycling systems, which are tailored to meet the specific needs of the customer. The goal is to reduce CO2 emissions while simultaneously saving costs.

Paprec Swiss Group SA 

Châtelaine · Since 2020

Paprec Swiss Group SA is a corporate group providing waste collection, sorting and recycling services for streams such as paper/cardboard, plastics, scrap/metals, wood and non-hazardous industrial waste (DIB). The group includes subsidiaries such as Lopatex, Lottner, E. Müller and Rewag and also provides confidential shredding and secure destruction of paper and IT media via services like DataEx4000 and Reisswolf.

Hexem SA 

Renens Vd · Since 2021

The core activity of Hexem is to provide services and tools to companies to improve their environmental impact and sustainability, particularly in the area of ESG reporting (Environmental, Social and Governance), emission reduction and resource management. Hexem supports companies in meeting sustainability requirements and regulations by offering solutions in the areas of ESG reporting, emission calculation, water and gas analysis.

H&G Entsorgungssysteme AG 

Dielsdorf · Since 2015

The core activity of H&G Suisse is the development, manufacture and distribution of waste management systems and solutions, particularly: screw compactors for waste compaction, underground containers for subterranean waste disposal, cardboard presses for cardboard compaction, and MobiPress systems for variable and efficient waste disposal. The company focuses on providing customer-specific waste management solutions for various industries, including trade, industry, logistics, cities, municipalities and waste disposal companies.

Hildegard Rust - Ernährungsexpertin für Vorrat halten 

Wengen · Since 2012

The company's core activity is advising and supporting private households in planning and organizing food supplies for emergency situations and everyday needs, with a focus on sustainability and optimal resource utilization.

Hitachi Rail Schweiz AG 

Zurich · Since 2006

The company is engaged in the development and provision of sustainable mobility solutions, particularly in the area of digital asset management systems for rail transport. The core activities include the development of products and solutions such as HMAX, which are focused on optimizing and sustaining rail transport systems.

HKOWT Suisse SA 

Lausanne · Since 2023

HKOWT Suisse SA supplies solar lighting solutions and related components, including solar street lights, photovoltaic panels, LiFePO4 batteries and LED modules. The company operates an online shop with a product catalog and publishes news and blog articles about solar lighting products and projects.

Hodel Umweltberatung GmbH 

Schaffhausen · Since 2021

The core activity of Hodel Umweltberatung GmbH is the provision of consulting services in the field of environment and sustainability, particularly in the following specific activities: environmental consulting, expert opinions, environmental communication, owner support, and overall management of infrastructure projects. These activities are aimed at private and public operators of environmentally relevant infrastructure facilities as well as authorities.

Hofstetter Gastechnik AG 

Hindelbank · Since 2014

The core activity of Hofstetter Swiss is the development and implementation of environmentally friendly solutions for waste management, particularly in the field of landfill gas and leachate treatment, as well as energy recovery from waste. The company offers integrated solutions for landfill remediation, landfill gas and leachate treatment, energy recovery through combined heat and power generation, and reduction of greenhouse gas emissions.

Hohrain AG 

Mattstetten · Since 2022

The core activity of Wärmeverbund Hohrain AG is the generation and distribution of district heating using renewable energy sources, in particular through the combustion of wood chips from local forests, supplemented by solar thermal energy and photovoltaics. The company operates a district heating system that supplies various properties with heat from a central energy hub.

HOLDENER SOLAR, Umwelt- und Heizungstechnik 

Boll · Since 2016

The core activity of Holdener Solar is the planning, installation and maintenance of renewable energy systems, in particular: solar water heating and heating support systems, thermal solar systems, photovoltaic systems, wood heating systems (pellets, wood chips, firewood) and air/water heat pumps. The company also offers maintenance and repair services for heating systems.

Holzenergie Alpthal AG 

Alpthal · Since 2022

The core activity of Holzenergie Alpthal AG is the production and distribution of heat energy through the operation of a district heating system based on the combustion of wood residues and shavings.

Holzenergie Delta AG 

Walenstadt · Since 2015

The core activity of Holzenergie Delta AG is the generation and distribution of heat energy through the combustion of wood, in particular through the operation of a district heating plant and a district heating pipeline network.

Holzenergiezentrum Toggenburg Genossenschaft 

Neu St. Johann · Since 2007

The core activity of Holzenergiezentrum Toggenburg is the generation of energy through the combustion of wood (chip heating) and the distribution of thermal energy to connected customers through a district heating network. The company operates a wood-fired power plant with chip heating and combined heat and power generation, as well as a district heating network that supplies Nesslau and Neu St. Johann.

Holz-Fernwärme Sarnen AG 

Sarnen · Since 2017

The core activity of Holz-Fernwärme Sarnen AG is the generation and distribution of heat energy through a district heating plant operated with regionally available fuels such as waste wood and forest wood chips. The company offers a sustainable and CO2-neutral heat supply for public and private buildings in the Sarnen region.

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.

Holzschnitzel und Entsorgungs Bigenthal AG 

Bigenthal · Since 1987

The core activity of Holzschnitzel und Entsorgungs Bigenthal AG (HEBAG) is the disposal and recycling of various materials, in particular: wood waste recycling, plastic waste disposal, used tire disposal, and composting of compostable waste. The company offers these services to private and business customers and works with partner companies to provide a comprehensive range of services.

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.

Homenergy SA 

Delémont · Since 2018

The core activity of Homenergy SA is the financing, realization, maintenance and operation of photovoltaic and heating systems for private and commercial customers. The company offers a solution where it takes over the investment costs and delivers the produced energy to the customer at a fixed, previously agreed tariff, including maintenance and upkeep of the systems.

HomePerformance SA 

Lonay · Since 2022

The core activity of HomePerformance SA is the planning, installation and maintenance of energy efficiency solutions for private and commercial customers in Switzerland, particularly in the field of renewable energies. This includes the installation of photovoltaic systems, heat pumps, storage batteries, thermodynamic heating systems and CoolRoofing systems, as well as the implementation of energy audits and consulting on energy efficiency measures.

HomeRecycling Sàrl 

Le Mont-Sur-Lausanne · Since 2016

The company Home Recycling is primarily involved in recycling, logistics, maintenance, and cleaning. It also offers HR services (HRConnecting). The company's core activities are therefore: recycling, logistics, maintenance, and cleaning. The company has a strong focus on sustainability and environmental protection, as evident from the various references to climate protection, reducing plastic consumption, and protecting water and oceans.

Homsphere SA 

Geneva · Since 2016

The core activity of Homsphere is the development and provision of a platform for sustainable energy supply and management for residential buildings, particularly for multi-family homes, townhomes, and condominiums. The platform combines renewable energies, energy storage, intelligent energy management, and a user interface that enables residents to monitor and control their energy consumption. The goal is to reduce energy consumption, minimize CO2 emissions, and empower residents to live independently of external energy sources.

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.

HPS Motion AG 

Lucerne · Since 2013

The core activity of HPSMotion AG is the development and provision of solutions in the field of mobility and sports, particularly in the context of renewable energy and electromobility, such as e-cars.

H. Schudel Naturschutz und Artenförderung GmbH 

Zurich · Since 2013

The company's core activity is the promotion and protection of nature through project development, conception, habitat management and species promotion, ecological consulting, environmental education, training and lectures. The company is committed to the conservation and protection of natural cultural landscapes and habitats and offers services such as area management, maintenance and upgrading measures, accompaniment of replacement and compensation measures and recultivation of landfills.

HSW-Solartechnik GmbH 

Aarwangen · Since 2024

The core activity of HSW-Solartechnik is the planning, installation and maintenance of modern photovoltaic systems for residential and commercial buildings. They offer innovative solutions for the use of renewable energies and are committed to sustainability and environmental protection.

HT Blatter GmbH 

Liestal · Since 2017

HT Blatter GmbH provides heating and sanitary services, including heating-system installation, boiler service, underfloor-heating cleaning and other sanitary works. The company offers consultation, planning, maintenance, renovation and installation of heating systems.

Huber Autoverwertung AG 

Meienberg · Since 1982

The core activity of HUBER Autoverwertung AG is the environmentally friendly disposal and recycling of vehicles of all kinds, including the storage and sale of spare parts and used vehicles.

Huber Gartenbau und Regenwassernutzung 

Kleindöttingen · Since 1985

The company Regenwassercenter offers solutions and products for the use of rainwater, particularly for garden and household use. The core activity includes the sale of rainwater storage tanks, filters, pumps and accessories, as well as consulting and planning of individual rainwater 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.

Hunkeler Recycling Service AG 

Windisch · Since 2015

The core activity of Hunkeler Recycling Service AG is the collection, transportation and processing of tinplate and aluminum cans, as well as the recovery of aluminum and tinplate through de-tinning and sorting. The company also provides transport logistics services with a focus on tinplate and aluminum, and advises customers on the disposal of valuable materials.

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.

HVO SA 

Porrentruy · Since 2022

The core activity of HVO SA is the recycling of non-recyclable plastic waste through pyrolysis to produce biofuels and renewable products.

Hycon GmbH 

Steinmaur · Since 2016

The core activity of HYCON is to advise and support organizations in the field of humanitarian aid and development cooperation. The activities include: Consulting services in the areas of renewable energy, water and land management, gender equality, diversity and inclusion, as well as protection and accountability; Capacity development and training for employees of organizations; Conducting evaluations and analyses of projects and programs; Development of strategies and concepts for sustainable change; Support in the implementation of projects and programs in various countries. HYCON works closely with various organizations and institutions, including GIZ, OSCE, CARITAS, COOPI and AFD, and offers its services in various countries.

HYDRA AG 

Kreuzlingen · Since 2003

The core activity of HYDRA is the implementation of water body investigations and developments, including the areas of aquatic ecology, fish biology, macrozoobenthos, neobiota, water revitalization and water use. The company offers services such as monitoring programs, expert opinions, research and consulting for universities, specialized agencies, companies, water protection commissions and private enterprises.

Hydranten- und Armaturen-Service GmbH 

Alberswil · Since 2014

The core activity of Hydranten- und Armaturen-Service GmbH is the provision of services related to water supply, particularly: * Pressure testing and revision of hydrants * Valve control maintenance using state-of-the-art equipment * Repairs and refurbishment of valves, including trenchless installation fittings * Maintenance and refurbishment of water valves and hydrants. The company thus offers specialized services for the maintenance and upkeep of water supply systems and components.

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.

Hydroexperts GmbH 

Basel · Since 2023

Hydroexperts GmbH provides technical assessments for drinking water suppliers and advises on reservoirs, pumping stations, water hammer and network optimisation.

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.

Hydros Sàrl 

Arzier-Le Muids · Since 2022

The core activity of Hydros is the development and marketing of solutions for the prevention of water pollution and the promotion of sustainable water management. In particular, the company offers products and services aimed at infiltrating and filtering rainwater to reduce the pollution of water bodies by hydrophobic substances. The products include permeable coatings and textile solutions specifically designed to filter and clean water.

HydroTerra Sàrl 

Fenin · Since 2021

The core activity of HydroTerra Sàrl consists in providing environmental consulting services, particularly in the following areas: Environmental impact assessments (Notice d'impact sur l'environnement, NIE, and Etude d'impact sur l'environnement, EIE), Environmental monitoring during the implementation phase (Suivi environnemental en phase de réalisation, SER), Remediation of contaminated sites (Site pollué, site contaminé, OSites), Waste management (Gestion des déchets, OLED), Soil management (Gestion des sols, OSol), Groundwater management (Eau souterraine, prospection, protection), Surface water management (Eau de surface, eau de chantier), and Compensation measures for nature and landscape (Mesure de compensation, nature, paysage). The company thus offers comprehensive consulting services in the field of environmental protection and management.

Hypercube SA 

Lugano · Since 2023

Hypercube SA operates a digital infrastructure that measures and verifies water recovered from alternative sources and issues a WTR (Water Credit) token for each verified cubic metre. The platform supports originators through onboarding and independent audits, enables token issuance, trading and retirement, and records credits on a public blockchain for traceability.

IBB Wasser AG 

Brugg Ag · Since 2001

IBB Wasser AG is a utility that supplies drinking water and operates the distribution network. It operates a main pipeline network of nearly 80 km and supplies the municipal area of Brugg (including Schinznach-Bad, Umiken and Lauffohr); water quality is monitored through regular sampling and cantonal testing, and tariffs, terms and customer forms are provided for private and commercial customers.

ibee swiss renewable energy investments GmbH 

St. Gallen · Since 2014

The core activity of ibee swiss renewable energy investments GmbH is investment, consulting and project development in the field of renewable energies, particularly in solar energy. The company develops, finances and operates photovoltaic systems in Switzerland and internationally, including in Sri Lanka, Burkina Faso and Ghana. It also supports the development of solar irrigation infrastructure and promotes the use of electric vehicles in these countries.

IBE Institut Bau und Energie AG 

Bern · Since 1978

The core activity of ibe institut bau+energie ag is the provision of services in the fields of construction and energy, particularly in the areas of: property management, energy and sustainability, Building Information Modeling (BIM), building services engineering, building physics, and fire protection. The company offers interdisciplinary, well-thought-out and innovative solutions for construction and energy projects and has a team of experts with various professional qualifications.

Ibis Dienstleistungen GmbH 

Frenkendorf · Since 2022

The core activity of Ibis Dienstleistungen GmbH is the provision of services in the field of sewer and pipe cleaning, including: pipe and sewer cleaning, kitchen drain and general drain cleaning, suction and flushing work. The company offers these services throughout Switzerland and positions itself as an expert in sewer and pipe management.