Energy & Environment

ENWAG ag 

Langnau Im Emmental · Since 2010

The core activity of ENWAG AG is the generation of energy through small hydroelectric power plants, in particular through the Obermatt power plant.

e-OASI Management SA 

Lugano · Since 2022

The core activity of e-OASI Management SA is the development and management of sustainable energy and mobility projects, particularly in the field of electromobility and renewable energies. The company offers services such as the installation of e-mobility infrastructure, the management of sustainable energy facilities, and the provision of green and sustainable services. It is a company focused on creating sustainable and innovative solutions for the future.

eoc energy ocean GmbH 

Lucerne · Since 2017

The core activity of Energyocean is the sale of Swiss plant-based charcoal.

EOS Energy Solutions AG 

St. Gallen · Since 2015

EOSONO SAILING GmbH 

Benken Zh · Since 2009

The core activity of Eosono GmbH is the development, manufacture and distribution of photovoltaic systems, particularly aesthetic and efficient PV solutions for buildings and large-scale installations.

EOS Ristrutturazioni e Impianti di Sebastiano Conselmo 

Soazza · Since 2017

EOS Ristrutturazioni e Impianti di Sebastiano Conselmo provides photovoltaic, solar thermal and hydraulic systems and performs interior and exterior building renovations. Services include design and turnkey installation of photovoltaic systems, installation of stainless-steel chimneys and pellet stoves/boilers, roof refurbishment and asbestos removal, plus permit handling and maintenance.

PROJEKTE SWM AG 

Stäfa · Since 2012

EPAL SUISSE (Association) 

Bern · Since 2003

The core activity of EPAL SUISSE is the organization and management of the EPAL exchange system, an open exchange pool for load carriers such as europallets and lattice boxes. This includes the granting of licenses to manufacturers, the regular inspection of licensees by external auditing organizations, ensuring quality and compliance with standards, as well as promoting the circular economy and sustainable logistics.

EPAREN SA 

Epalinges · Since 2021

The core activity of EPAREN SA is the realization, financing and operation of renewable energy plants, in particular solar energy plants.

EPASUS AG 

Steffisburg · Since 2017

EPASUS AG is a globally networking, technology-oriented company focused on sustainability markets, particularly energy efficiency, energy systems and renewable energies. It connects companies and innovations, supports or takes part in firms offering sustainability-oriented technologies or infrastructures, and provides strategic expertise on market positioning and efficiency improvements. The company also participates in the implementation of renewable energy systems, for example high-efficiency photovoltaic technology.

eplus elektroplanung GmbH 

Uster · Since 2015

The core activity of e+ elektroplanung gmbh is the planning and implementation of electrical projects, particularly in the field of renewable energy and sustainable solutions.

E plus U Energie- und Umweltberatung GmbH 

Wallenbuch · Since 2025

The core activity of E plus U Energie- und Umweltberatung GmbH is the consulting and process accompaniment of municipalities and other organizations in the areas of energy, environment and sustainability. The specific activities include: municipal consulting, creation of energy master plans, communication and events, energy city consulting, climate and energy strategy for municipalities, and accompaniment of energy projects. The company supports its customers in the development and implementation of sustainable energy and environmental concepts.

EPURA SA 

Lausanne · Since 2015

EPURA SA is responsible for implementing and operating new wastewater treatment facilities. It carries out wastewater treatment processes, including sludge conditioning and incineration, and implements measures to capture micropollutants.

E-Q GmbH 

Herisau · Since 2020

E-Q GmbH provides electrical installations and network/data cabling for residential and commercial properties. The company implements smart-home systems (KNX, Loxone), plans and installs photovoltaic systems, and supplies telematics/VoIP and unified-communications services.

eQcharta GmbH 

Wädenswil · Since 2013

eQcharta GmbH is a consulting and research provider for quantitative spatial assessment, analysis and modelling of aquatic ecosystems. The company carries out field surveys and remote sensing, applies GIS and numerical models, and supports project implementation for renaturation, remediation and monitoring through consulting and knowledge transfer.

eqlosion sàrl 

Lausanne · Since 2015

The company provides consulting services in the field of sustainability and environmental management. The core activities include: development and planning of sustainability and environmental protection strategies for companies and public institutions; conducting sustainability audits, including life cycle analyses, CO2 balancing and RSE diagnostics (Responsabilité Sociétale des Entreprises); development of energy and climate plans for municipalities and companies; training and education programs in sustainability for companies and public institutions; and support and guidance for companies and public institutions in the implementation of sustainability projects.

Erdfairliebe Coaching Kaufmann 

Escholzmatt · Since 2020

The company Erdfairliebe offers two core activities: 1. **Order Coaching**: The company supports customers in creating and maintaining order in their home. This includes organizing spaces, reducing chaos and introducing sustainable order systems. 2. **Do-It-Yourself Workshops**: Erdfairliebe offers workshops where customers learn to make their own cleaning and laundry products. These workshops focus on environmentally and health-friendly, vegan and palm oil-free products.

Erdgas Zürich AG 

Zurich · Since 2013

Erdgas Zürich AG operates and maintains local natural-gas transport networks, ensuring the transport of requested gas volumes for connected customers in 100 municipalities. The company is a joint venture of Energie 360° AG and EnergiNova AG, with operational management provided by Energie 360° AG.

eRevo AG 

Eich · Since 2020

The core activity of eRevo AG is the development and provision of building-integrated hydrogen ecosystems and highly scalable container complete solutions for seasonal energy storage. The company focuses on creating grid-friendly topics in the area of flexibility and offers products such as the Triewald HOME System and the Triewald INDUSTRY System, which enable high self-consumption optimization and autonomy.

Ergül Consulting 

Lausen · Since 2022

The core activity of Ergül Consulting is to provide services as a neutral and independent optimizer, mediator and manager for the holistic optimization of waste disposal processes for commercial, industrial and trading companies as well as municipal and communal utilities. This includes, in particular, the mediation of waste disposal services, such as transportation, recycling and utilization of valuable materials, waste and special waste, as well as the sustainable management and maintenance of achieved waste disposal solutions for economic and ecological sustainability.