Sustainability Sector in the
Canton of Thurgau

WLS.CH GmbH

Since 2007 · 1–10 empl.

The core activity of WLS.CH (WildLife Solutions) is to conduct scientific studies and develop solutions for the sustainable management of wildlife populations, particularly in conflicts between human interests and the needs of wildlife.

Enerswiss AG

Since 2008 · 1–10 empl.

Enerswiss AG provides industrial metrology and technical building energy management services. The company carries out CT-based nondestructive 3D measurements (point clouds, CAD comparison, material inspection) and offers energy audits, system conversions and long-term operation of energy systems, while operating an integrated quality and environmental management system in accordance with ISO 9001 and ISO 14001.

Energiegenossenschaft Region Ostschweiz, ENGERO

Since 2008 · 1–10 empl.

The core activity of ENGERO is to act as a contractor, building, maintaining and operating renewable energy generation plants in the form of photovoltaic systems or wind and storage power plants on customers' properties or buildings, and supplying the generated electricity to these customers at favorable conditions, without requiring them to make any investments.

Büro Eco- und Umweltbonus Reto Frei

Since 2008 · 1–10 empl.

Büro Eco- und Umweltbonus Reto Frei provides planning and project services in building construction and landscape-related site design. The firm handles tasks from needs analysis and project development to execution planning and construction management.

Spektrum-Energie GmbH

Since 2011 · 1–10 empl.

The core activity of Spektrum Energie is the provision of services in the field of renewable energies, particularly in consulting, analysis, concept development, project support, training and lectures for municipalities, regions, companies and energy supply companies.

SBF swiss biofuels AG

Since 2013 · 1–10 empl.

The core activity of SBF - swiss biofuels AG is the production and distribution of high-quality, winter-resistant biodiesel according to the EN 14214 standard. The company imports and produces biodiesel, which is suitable as an environmentally friendly and sustainable fuel for heavy-duty and long-distance traffic, as well as for other areas of application such as goods and transport traffic, public and commercial passenger transport, construction site traffic, agricultural traffic, forestry traffic, and shipping.

bodenproben.ch ag

Since 2016 · 11–20 empl.

The core activity of Bodenproben.ch is mechanical soil sampling, particularly in the areas of agriculture, research, CO2 projects, and mapping. The company offers standardized soil sampling to provide a basis for secure and sustainable agricultural yields.

KEMARO AG

Since 2016 · 11–20 empl.

The company Kemaro develops and distributes autonomous industrial cleaning robots that offer a water- and chemical-free cleaning solution. The company's core activity lies in the development and distribution of robotic solutions for industrial cleaning, with a focus on precision, reliability and performance.

DAM 10 AG

Since 2018 · 11–20 empl.

The core activity of the company 'there for you' is to support companies in the development and implementation of Corporate Social Responsibility (CSR) projects and sustainable initiatives, particularly in the areas of climate protection, animal welfare, child aid and humanitarian projects. The company provides a platform for companies to coordinate their donation activities, activate employees and support effective and transparent projects.

wattss Holding AG

Since 2011 · 1–10 empl.

The core activity of De Lorean Power GmbH is to advise and support companies in the field of renewable energies, mobility and digitalization. The company acts as a network company and supports the transformation towards a fossil fuel-free and nuclear-free energy economy. The activities include the development of strategies and solutions for a sustainable energy supply, particularly in the areas of power grids and renewable energies.

Ökoversum GmbH

Since 2021 · 11–20 empl.

The core activity of Wirkstatt Auboden is sustainable agriculture, gardening and animal husbandry, combined with educational and event offers as well as gastronomy. The company operates a garden, a restaurant, a forest garden and keeps animals such as quails, bees, goats and pigs. It also offers spaces for events, coaching and diploma courses. The activities are characterized by the principles of permaculture and the goal of promoting a sustainable and regenerative ecology.

4pi-Sciencelab GmbH

Since 2020 · 1–10 empl.

The core activity of 4π-Sciencelab is scientific consulting, research and communication in the fields of climate, energy and nanotechnology. The company offers services such as lectures, training, consulting and studies to solve complex problems in these areas and develop understandable solutions.

Volunteering Africa GmbH

Since 2019 · 1–10 empl.

The company Volunteering Africa GmbH offers opportunities for volunteer work and travel in South Africa and Namibia, particularly in the areas of nature conservation and animal care. The core activity includes the organization of projects, such as the rhino protection project, and the placement of volunteers for these projects. In addition, the company also offers trips and expeditions to the most beautiful parks and nature reserves, which are authentic and close to nature.

Verein Kompetenz-Zentrum Erneuerbare Energie-Systeme Thurgau (KEEST)

Since 2013 · 11–20 empl.·5.0(4)

The core activity of KEEST is to advise and support small and medium-sized enterprises (SMEs) in increasing energy efficiency and reducing CO2 emissions. To this end, KEEST offers services such as energy efficiency analyses, photovoltaic concepts, greenhouse gas balancing and decarbonization to support SMEs in implementing sustainable energy concepts.

BioPetFood GmbH

Since 2007 · 1–10 empl.·5.0(2)

The company's core activity is the trade in certified organic products, particularly organic feed, with a focus on animal and nature-friendly sourcing of ingredients.

ECO Bautec & Design AG

Since 2021 · 11–20 empl.·5.0(2)

The core activity of ECO Bautec & Design AG is the development, distribution and consulting of ecological and sustainable solutions in the field of soil and building protection, particularly coating systems with low solvent content that promote healthy indoor air.

alex2020 gmbh

Since 2020 · 1–10 empl.

The core activity of alex2020 gmbh is the promotion, analysis, regeneration and integration of ecological species diversity (biodiversity) into decision-making processes, particularly as a capital investment, with the aim of incorporating the systemic dimension into decision-making and thus promoting ecological sustainability.

Melis Beeren AG

Since 2011 · 1–10 empl.·4.2(14)

The core activity of Melis is the production of berries, particularly strawberries, raspberries, blueberries, blackberries, currants and gooseberries, in compliance with sustainability standards such as ÖLN and SwissGAP guidelines.

Logis Freyja, Inh. B. Liepelt

Since 2020 · 1–10 empl.·5.0(8)

The company's core activity is the rental of sustainable mobile homes, particularly the "Wohnwagon Logis Freyja", designed as a tiny house that enables autonomous, resource-efficient and sustainable living. The company offers trial living, holidays and viewings, and aims to inspire people to make sustainable and resource-conscious lifestyle choices.

IS SaveEnergy AG

Since 2017 · 11–20 empl.·4.0(1)

The core activity of IS SaveEnergy AG is the development, sale and maintenance of complete solutions for combined flue gas cleaning, heat recovery and carbon capture in biomass power plants and industrial systems.

Enumplan Ingenieurbüro GmbH

Since 1999 · 1–10 empl.·3.7(3)

The core activity of enumplan GmbH is the creation of energy-related certifications, particularly in the field of building planning and renovation. This also includes the creation of noise assessments, building services planning and the implementation of private energy inspections. The company also supports the application for funding for energy renovations and new buildings.

STOECKLER Group AG

Since 1980 · 1–10 empl.·3.0(2)

The core activity of STOECKLER Group AG is the development, manufacture and marketing of products for natural gardening, particularly for composting and the use of compost in gardens.

Kenzenau Fisch AG

Since 2021 · 1–10 empl.·5.0(2)

The core activity of Kenzenau Fisch AG is fish farming, particularly the sustainable and quality-oriented production of Swiss fish.

Söhner Smart Solutions

Since 2023 · 1–10 empl.·5.0(4)

The core activity of Söhner Smart Solutions is the planning, integration and programming of building automation systems, particularly in the areas of energy efficiency and intelligent energy management. The company specializes in optimizing the self-consumption of self-produced electricity from photovoltaic systems and reducing basic power consumption through automatic control of consumers.

Rickenbach Engineering AG

Since 2023 · 1–10 empl.·5.0(4)

The company's core activity is the creation of heating and ancillary cost statements, in particular the consumption-based billing of heating and water costs, as well as the development of measurement concepts for properties.

Schweizer Autohandel GmbH

Since 2024 · 1–10 empl.

The core activity of Schweizer Naturraum GmbH encompasses the planning, implementation and maintenance of ecological projects, particularly: ecological roof greening, gardening and garden maintenance with a focus on biodiversity, nature conservation projects, and the design of gardens and habitats for humans and nature. The company also provides consulting and support for the implementation of ecological projects and has expertise in the fields of environmental engineering and nature conservation.

Tectom GmbH

Since 2025 · 1–10 empl.

Tectom GmbH provides building energy consulting, with a focus on the energy-efficient modernization of building envelopes, the renewal and optimization of building services, and solar and heat pump solutions. The company also prepares GEAK reports and energy compliance documents for authorities.

K51 Asset Safe Imhofbio

Since 2025 · 1–10 empl.

K51 Asset Safe Imhofbio combines high performance computing with the use of waste heat to provide fossil-free heat. The company offers solutions for greenhouse, hotel and industrial applications as well as HPC cloud services.

K51 Asset Safe Meier Gemüse

Since 2025 · 1–10 empl.

K51 Asset Safe Meier Gemüse develops and operates high performance computing (HPC) solutions designed to use computing capacity for generating fossil-free heat. The company combines computing, renewable energy and heat recovery for applications such as greenhouses, hotels and industrial facilities.

Energiespeicherbüro Inh. Andrea Zulauf

Since 2025 · 1–10 empl.

Energiespeicherbüro Inh. Andrea Zulauf provides consulting and project development services in the energy sector, focusing on support for energy projects from strategy to implementation. The website covers energy storage, sector coupling, local energy communities, energy-flow visualization, and the economic assessment of BESS.

Mazenauer CAB

Since 2026 · 1–10 empl.

Mazenauer CAB is an independent management and strategy consultancy for complex business decisions. The firm advises on strategy, transformation, energy and industrial topics, and supports implementation across the interfaces of technology, capital and market.

coomuno AG

Since 1990 · 1–10 empl.

The core activity of coomuno AG is the development and provision of solutions for agriculture, with a focus on sustainable agriculture.

A. Pfenninger Pflanzen AG

Since 1993 · 1–10 empl.

The company REGEN-USER.CH primarily deals with the sale and refurbishment of IBC containers (Intermediate Bulk Containers) for rainwater use, particularly for agriculture, horticulture, and food production. They also offer specialized solutions for aquaponics, aquaculture, and hydroponics.

myglobe GmbH

Since 2008 · 1–10 empl.

The core activity of myglobe GmbH is the development and distribution of CO2-neutral fuel cards for the Swiss market, with the aim of supporting companies and private individuals in reducing their CO2 emissions and acting sustainably.

BioTec Vertriebs Aktiengesellschaft

Since 2009 · 1–10 empl.

BioTec Vertriebs Aktiengesellschaft provides consulting and product services for biogas plant optimization and offers solutions for electricity and gas procurement, special cleaning and agricultural needs. The company supplies analyses, trace elements, microorganisms and additives aimed at supporting and stabilizing fermentation processes.

4E GmbH Eck Engeler Erneuerbare Energien

Since 2011 · 1–10 empl.

4E GmbH Eck Engeler Erneuerbare Energien plans and implements photovoltaic systems. The website presents references for PV installations and battery storage systems.

forest8 AG

Since 2015 · 1–10 empl.

forest8 AG operates a digital platform that lets individuals and companies virtually rent forest areas to support conservation efforts and offset their CO2 footprint. The service includes subscription products such as forest8+ and tools to track forest condition via satellite data and regular updates from landowners.

simpAct Consulting GmbH

Since 2018 · 1–10 empl.

The core activity of simpAct Consulting GmbH is the provision of consulting services for the development of sustainable investments and impact business models. The focus is on advising companies and institutions in the field of sustainable investments, impact investing and the development of business models that are both financially and socially sustainable.