Energy & Environment

Trimmiser Industrielle Betriebe (TIB) 

Trimmis · Since 2009

Trimmiser Industrielle Betriebe (TIB) are a public-law institution responsible for municipal supply and disposal services. Their tasks include waste management, wastewater collection and treatment, water supply, and operation and maintenance of electricity distribution (network levels 5 and 7); they operate two small drinking-water hydroelectric plants and also manage public street lighting and the municipal data network.

Trina Solar (Schweiz) AG 

Wallisellen · Since 2009

The company is a manufacturer of solar panels and offers solutions for solar energy generation. It develops and produces solar panels and also provides comprehensive solutions for the installation and operation of solar energy systems. The company's core activity lies in the development, manufacture and distribution of solar products and solutions.

TrioSolar GmbH 

Zurich · Since 2023

The core activity of TrioSolar is the planning, installation and maintenance of photovoltaic systems, including the provision of components and solutions for the efficient use of solar energy, such as energy storage systems and zero-emission connections (ZEV).

tritec AG 

Le Mont-Sur-Lausanne · Since 2022

tritec AG is a solar company offering planning, supply, installation and maintenance of photovoltaic systems. Its services also include battery storage and electric vehicle charging solutions, wholesale/online shop activities and financing/contracting services for large-scale solar projects.

true&fair.expert GmbH 

Bern · Since 2015

The company provides services in the field of sustainability and climate protection, particularly in the areas of project development, financing, implementation and controlling of CSR projects (Corporate Social Responsibility). It also offers audits and assessments in the areas of quality, environment, occupational safety, climate protection and sustainability. Furthermore, the company provides training and consulting services in the areas of sustainability and climate protection.

trunova ag 

Jona · Since 2011

trunova ag provides energy consulting and supports the planning, implementation and project supervision of solar thermal systems and photovoltaic installations, and offers GEAK certification and thermographic surveys.

Trüsta Solar GmbH 

Steinhausen · Since 2003

The core activity of Trüsta Solar is the planning, construction and optimization of solar systems for private and commercial customers, with the goal of enabling sustainable and cost-effective energy supply. This also includes services such as energy billing, contracting and the optimization of self-consumption of solar power.

Tsarina-Moldova 

Iffwil · Since 2016

The core activity of TSARINA Moldova is the promotion and implementation of sustainable and ecological agriculture in Moldova, particularly through the support of small and medium-sized family farms. This includes providing knowledge and experience in the fields of feed crop cultivation and animal husbandry, training young people and promoting regenerative agriculture. In addition, the company is also involved in humanitarian aid and social projects in Moldova.

TS Lightning GmbH 

Bern · Since 2003

The core activity of TS Lightning GmbH is the planning, installation, maintenance and repair of electrical systems, including high and low voltage, as well as the implementation of smart home solutions, photovoltaic systems, electromobility solutions and security consulting. The company also offers services in the areas of CAD planning, electrical inspections and multimedia installations.

TS Solaire SA 

Echallens · Since 2019

The core activity of TS Solaire SA consists of planning, installing and operating solar systems on the roofs of municipal buildings, particularly within the framework of crowdfunding projects, where the local population and businesses are involved in financing the projects.

Tsuku GmbH 

Zurich · Since 2017

Tsuku GmbH is a consultancy at the interface of ecology and behavioral economics that designs and tests interventions for sustainable behavioral change, supports organisational transformation and develops storytelling initiatives. Services include behavioural analyses, intervention design and project collaboration with partners from business, education and the public sector.

Turbinor S.A. 

Sonceboz-Sombeval · Since 2005

Turbinor S.A. develops small hydropower projects and provides engineering services for the planning, realization and equipment of small hydro plants. The website states that operational activities and new-project development have been transferred to EnEn Sàrl, while Turbinor may still complete or operate some of its existing plants.

TVP Solar SA 

Geneva · Since 2008

The core activity of TVP Solar is to provide carbon-free solutions for the decarbonization of large-scale heat, particularly through the delivery of carbon-free heat to industrial and municipal customers via Heat Purchase Agreements, without any upfront investments (CAPEX) and without operating and maintenance costs (O&M).

twentyfifty Sàrl 

Veyrier · Since 2018

twentyfifty Sàrl is a management consultancy that helps companies embed human rights and social & environmental due diligence into their strategy and operations. Its services include risk and impact assessments, responsible procurement, rightsholder engagement and implementation support.

Twinner AG 

Niederscherli · Since 2023

The company Twinner AG develops and manufactures sustainable battery technology, in particular batteries with controllable state of charge and longer lifespan. It also offers services such as customer consulting, support and software support. Furthermore, the company offers a SmartHub app. The core activity of the company is in the development and production of sustainable battery technologies.

Tyre Channel GmbH 

Wohlenschwil · Since 2019

Tyre Channel GmbH provides collection, disposal and recycling services for scrap, waste and used tyres. The company organises collections using licensed transport, processes tyres for reuse and industrial applications (including PAS 108 tyre bales) and supplies part-worn and baled tyres to customers.

UCW Umwelt Controlling + Consulting Wälti 

Rafz · Since 1991

The core activity of UCW - UMWELT CONTROLLING + CONSULTING WÄLTI is to advise and support companies and organizations on environmental protection and sustainability issues, particularly through environmental controlling and consulting.

Ueli Büschlen Allroundservice 

Frutigen · Since 2022

Ueli Büschlen Allroundservice provides sewer and drain cleaning services, including flushing, suction and waste removal. Services also include dry-suction, small pipeline/canal inspections and surface cleaning.

Ueli Grossen Energieberater GmbH 

Kandersteg · Since 2024

The core activity of the company "Ueli Grossen Energieberater GmbH" is independent energy consulting, particularly in the field of photovoltaics, with a focus on: * Consulting: Supporting customers in the sensible use of energy and optimizing their energy components * Optimization: Analyzing and improving existing energy systems and plants * Planning: Creating unbiased electrical plans, especially for sustainable PV systems In addition, the company offers services such as the creation of special electrical installations according to Art. 14 NIV and the planning of battery storage systems.

UHCS Constructions SA 

Rue · Since 2020

The core activity of UHCS is the development and marketing of an internationally patented building and construction system that builds houses and buildings in a sustainable and environmentally friendly way. The company focuses on the use of environmentally friendly materials, reducing CO2 emissions and preserving water resources.