Energy & Environment

SC Technology GmbH 

Hendschiken · Since 2002

The core activity of SC Technology GmbH is the drying of sewage sludge (Sludge Drying). The company is a global specialist in this field and has already installed over 45 plants in 10 countries.

SD Stenio Dozio SA 

Lugano · Since 2008

SD Stenio Dozio is a Swiss company specializing in the areas of energy efficiency, renewable energy and smart home solutions. The core activities include planning, installation and integration of photovoltaic systems, energy efficiency solutions and smart home systems for private and commercial customers. The company also offers consulting services for optimizing energy consumption and costs.

SEBASOL-Valais 

Fully · Since 2021

SEBASOL-Valais designs and assists in building solar thermal systems for domestic hot water (DHW) and heating, often combined with a hydraulic wood stove to cover remaining needs. It operates via volunteer-run regional centres that train self-builders, supplies materials at cost, provides courses and documentation, and cooperates with licensed installers for turnkey installations.

Second Foundation Trading AG 

Steinhausen · Since 2023

The core activity of Second Foundation Trading AG is the trading of energy products, particularly electricity, gas and renewable energies, in over 20 markets in Europe and worldwide.

Second Nature Consulting Sàrl 

Chamoille (Sembrancher) · Since 2020

The company Second Nature offers consulting and coaching services to support companies and organizations in creating positive and regenerative changes. The core activities include: Consulting for companies and organizations to promote positive and regenerative changes, Coaching for individuals to support them in creating positive and regenerative changes, Campaign and communication support for companies and organizations to communicate their positive impact and build their community, Research projects and reporting to support companies and organizations in developing strategies for positive and regenerative changes, Design and development of initiatives and projects that promote positive and regenerative changes. The company focuses on supporting companies and organizations in creating positive and regenerative changes to have a positive impact on the environment and society.

seecon international gmbh 

Willisau · Since 1998

The core activity of seecon is the development of innovations for sustainable development, particularly through supporting customers in developing projects, products and services that have a positive impact. This also includes coaching, mentoring, training and organizing workshops, events and events. Another focus is on supporting water utilities in improving their performance and developing sustainable investment programs through Integrity Management.

see energie ag 

Steinach · Since 2021

The core activity of see energie ag is the extraction of thermal energy from Lake Constance, whereby the lake water is sucked in by electric pumps, filtered through heat exchangers and then returned to the lake, removing around 3° Celsius in the process. This procedure serves as an alternative to conventional oil and gas heating systems and aims to contribute to reducing CO2 emissions.

Seeholzer Holzbau 

Vordemwald · Since 2023

Seeholzer Holzbau is a carpentry and timber-construction company performing works such as roof structures, dormers, façades, balconies, carports, renovations, extensions, loft additions and agricultural buildings. Services also include insulation (floor, wall, roof), terrace decking, interior finishing (paneling, drywall), roofing and roof renovation, roof windows and installation of solar systems on various roof coverings.

Seelandgas AG 

Lyss · Since 1983

The core activity of Seelandgas AG is the supply of gas to customers and the provision of related services, such as heat and process gas deliveries, power generation, energy consulting and service.

see-land.plan GmbH 

Biel/Bienne · Since 2021

The core activity of see-land.plan is the planning and development of lake shore and landscape projects, particularly in the areas of: * Lake shore protection * Hydraulic engineering * Revitalization * Nature and landscape conservation * Ecological landscape management * Landscape architecture and green space design. The company offers consulting and planning services for projects in these areas and has many years of experience in protecting natural and cultural landscapes.

SegenSolar Switzerland GmbH 

Bern · Since 2023

The core activity of SegenSolar Switzerland GmbH is the wholesale trade of photovoltaic products, particularly solar modules, inverters, storage systems, mounting systems, EV charging stations and accessories. The company offers a wide range of PV products from various manufacturers and supports its customers through a customer portal, personal contacts and various tools.

Seitz Messtechnik AG 

Berneck · Since 2017

The core activity of Seitz Messtechnik AG is the planning, installation, maintenance and consulting of measurement and control systems for water and wastewater treatment plants, including surface water, drinking water, flood protection, industry and wastewater treatment plants.

Semadeni Umwelt & Nachhaltigkeit 

Birmensdorf Zh · Since 2022

The company's core activity is environmental consulting and management of environmental projects, particularly in the area of remediation and management of contaminated sites, legacy pollutants and environmental liabilities. The company supports businesses and organizations in implementing sustainability and environmental management, including the development of strategies for energy efficiency, CO2 reduction and circular economy.

SEMS Engineering GmbH 

Zurich · Since 2023

The core activity of SEMS Engineering GmbH is the planning and realization of photovoltaic projects, including specialized planning, consulting, engineering, planning and construction of solar systems. The company offers comprehensive services for the development and implementation of solar energy solutions, from concept development to tendering, construction management and maintenance of photovoltaic systems.

Sensirion Connected Solutions AG 

Stäfa · Since 2021

The company's core activity is the development and provision of sensor-based IoT solutions and services for monitoring emissions in the energy sector, particularly for the oil and gas industry. The company offers solutions that enable customers to reduce their emissions, comply with regulatory requirements, and improve their operational efficiency.

SENSIT-IPS Service GmbH 

Malters · Since 2008

The core activity of I.P.S Service GmbH is the planning, installation and maintenance of solar systems, as well as consulting and supporting customers in the implementation of solar energy projects.

SENSOLTEC GmbH 

Zermatt · Since 2024

Sentinel Earth AG 

Cham · Since 2024

The core activity of Sentinel Earth is to support organizations in achieving their environmental goals by providing market data, reporting, regulatory advice and tailored environmental products. Additionally, the company invests in climate change mitigation projects, develops them in partnership with others and markets the results to create sustainable solutions.

Serendip Swiss Venture Sàrl 

Lausanne · Since 2024

The core activity of Serendip Swiss Venture is the international trade of high-quality, environmentally friendly produced products, particularly Ceylon vanilla and precious stones, with a focus on sustainable growth and long-term value appreciation.

SERVICE DES EAUX DU MARALLEY (SEM) 

Montreux · Since 2015

SERVICE DES EAUX DU MARALLEY (SEM) is a non-profit association that manages and promotes the potable water from the Maralley springs. It partially supplies water from the Maralley and Hautebelle catchments to Montreux's old town, the upper Territet area (Avenue du Midi) and Avenue Florimont, and oversees maintenance, cleaning and self-monitoring of the fountains it owns.