Solar & Photovoltaics in the
Canton of Thurgau

Burkhardt Heizungen & Sanitär GmbH

Since 2005 · 1–10 empl.·4.8(22)

Burkhardt Heizungen & Sanitär GmbH is a building services company that designs, supplies and installs heating and sanitary systems, including heat pumps, solar/PV systems, gas and oil boiler replacement, bathroom renovations, and 24-hour repair and maintenance services.

Näf Installationen AG

Since 2010 · 1–10 empl.·4.8(24)

The core activity of Näf Installationen AG is the planning, implementation and maintenance of sanitary and heating systems, including solar systems, for residential, commercial and industrial buildings.

A. Graf Elektro-Installationen AG

Since 1993 · 21–50 empl.·4.1(44)

The company's core activity is the provision of services in the field of electrical engineering, including electrical planning, electrical installations, building automation, telecommunications and renewable energies, as well as service and repair services.

Technische Betriebe Weinfelden AG

Since 2001 · 21–50 empl.·4.1(32)

The core activity of the company "Technische Betriebe Weinfelden AG" is to supply the municipality of Weinfelden with various services and products, in particular: * Electricity supply (including photovoltaics and smart meters) * Gas supply (including heating with gas, biogas and maintenance subscriptions) * Water supply (including drinking water and water quality) * Fiber optic supply (including fiber optic connection and basic TV offer) * Heat supply (including district heating for Weinfelden) * Energy consulting and services (including customer portal and billing) The company has a performance mandate to supply the municipality of Weinfelden with these services and products.

Gebäudetechnik Bründler GmbH

Since 2014 · 11–20 empl.·4.7(35)

The company's core activity is the planning and execution of building technology services, including: sanitary and heating systems, pipeline construction, building technology planning, core drilling, solar thermal and PV systems, ventilation systems, and firewood sales. The company thus offers a comprehensive range of services for the planning, installation and maintenance of building technology systems.

Strassburger Elektro AG

Since 1993 · 11–20 empl.·4.5(15)

The core activity of Strassburger AG encompasses the planning, installation and maintenance of electrical systems, including high and low voltage solutions, building technology, telematics and IT network solutions, multimedia, photovoltaics and household appliance sales. Furthermore, the company also offers services such as consulting, project planning, specialized construction management and on-call duty.

MBRsolar AG

Since 2001 · 21–50 empl.·4.1(13)

MBRsolar AG is an energy specialist for photovoltaic systems, providing project planning, system monitoring, storage solutions, energy consulting and electricity marketing for agriculture, commercial clients and single-family homes.

Plica AG

Since 2008 · 21–50 empl.·4.3(3)

Plica AG is a provider of products and solutions for the areas of cable and line management, tools, lighting, safety technology and e-mobility. The company's core activity is the development, manufacture and distribution of products such as cable protection and accessories, cable ties and quick connectors, heat and protective hoses, crimp terminals and ferrules, industrial labeling, tools, lighting, safety technology and e-mobility solutions. The company also offers services such as consulting, training and support.

Gähler & Rindlisbacher Gebäudehülle AG

Since 2021 · 11–20 empl.·5.0(13)

The core activity of Gähler & Rindlisbacher Gebäudehülle AG is the execution of work in the field of building envelopes, particularly in the areas of: facade construction, roof construction (flat and pitched roofs), photovoltaics, floor sealing, and maintenance and repair of building envelopes. The company thus offers a comprehensive range of services in the field of building envelopes, from planning and execution to maintenance and repair.

HEIM AG Solarsysteme

Since 2009 · 11–20 empl.·5.0(3)

HEIM AG Solarsysteme designs, installs and maintains photovoltaic systems and related components such as inverters, battery storage, e‑charging stations and grid separation. The company delivers customised solutions for residential, commercial and industrial projects, including system planning, permitting and ongoing maintenance and support.

R. Dähler AG

Since 2013 · 11–20 empl.·4.6(14)

The core activity of R. Dähler AG encompasses a wide range of services in the construction sector, particularly: * Roofing work (pitched roofs, flat roofs, roof maintenance and repairs) * Timber construction (timber construction planning, timber construction work) * Metal construction (sheet metal work, lightning protection) * Scaffolding construction * Façade construction * Hall, commercial and agricultural construction * Crane work and transportation * Photovoltaics (PV systems) * Rental and sale of equipment and vehicles Thus, the company offers a comprehensive range of services for the construction and maintenance of buildings and facilities.

agrobio schönholzer ag

Since 2011 · 1–10 empl.·4.2(18)

agrobio schönholzer ag provides sanitary (plumbing), heating and gas installation services and offers system planning and project management as well as maintenance and repair, including boiler descaling and drain unclogging.

bollinger ag

Since 2019 · 11–20 empl.·4.9(19)

The core activity of Bollinger AG is the planning, execution and maintenance of sanitary and heating systems for private households and companies. The company offers comprehensive services, from consulting to planning and execution to maintenance of sanitary and heating systems.

tecteam AG

Since 2021 · 11–20 empl.·5.0(14)

The core activity of TecTeam AG includes the planning, installation, maintenance and repair of electrical systems, including: electrical installations and controls, photovoltaic systems (PV), e-mobility and energy storage, smart home and security systems, telematics and network solutions, lighting and luminaire planning, and service and maintenance of electrical systems. The company thus offers comprehensive services in the field of electrical engineering and building technology.

MR Agri-PV AG

Since 2017 · 21–50 empl.·4.1(13)

MR Agri-PV AG plans, installs and services photovoltaic systems for agriculture, commercial businesses and single-family homes. The company also provides project planning, system monitoring, energy consulting and solar storage solutions.

Buchmüller GmbH

Since 2004 · 1–10 empl.·4.9(10)

The core activity of Buchmüller GmbH encompasses the planning, installation, maintenance, and repair of heating, plumbing, and household technology systems, including the delivery and installation of household appliances. The specific activities include: Heating: planning, installation, and service for gas heating systems, oil heating systems, wood-fired heating systems, and alternative heat generation; Plumbing: planning, installation, and repair of plumbing installations and devices, including faucets, boilers, and water softening systems; Household technology: delivery, installation, and maintenance of household appliances such as kitchen electrical appliances, washing machines, and dryers. Additionally, the company offers emergency services for water damage and bathroom renovations.

Zuliani Sanitär - Heizung GmbH

Since 2003 · 1–10 empl.·5.0(7)

Zuliani Sanitär - Heizung GmbH provides services in the sanitary and heating sector, including installation, maintenance and repair of plumbing fixtures and heating systems.

Kurt Büchler AG, Bedachungen

Since 1984 · 11–20 empl.·4.3(7)

The core activity of Kurt Büchler AG encompasses the provision of services in the construction sector, particularly in the areas of: roofing (pitched and flat roofs), sheet metal work, scaffolding, facades, photovoltaics, and the renovation and refurbishment of buildings. The company thus offers a wide range of construction-related services tailored to the needs of builders and property owners.

Zürcher Aquatech AG

Since 1998 · 1–10 empl.·5.0(6)

The core activity of Zürcher Aquatech encompasses the areas of Sanitation, Solar and Sheet Metal Work. Specifically, the company offers the following services: * Sanitation: New constructions, renovations, rainwater utilization, wastewater pumps and pressure-boosting pumps, service and maintenance * Solar: Solar water heating systems, solutions for flat roofs, pitched roofs or wall-mounted installations * Sheet Metal Work: Gutters and downspouts, façade cladding made of metal, window and chimney cladding, metal roofing, liquid membrane connections, lightning protection, repairs and maintenance * Water Supply: Laying of pressure pipes made of cast iron or plastic, repairs and maintenance of pipeline networks, hydrant maintenance The company thus offers a wide range of services in the areas of sanitation, solar and sheet metal work as well as water supply.

psp energietechnik ag

Since 2004 · 21–50 empl.·4.2(5)

The core activity of psp energietechnik ag encompasses the planning, installation, and maintenance of building technology systems, particularly in the following areas: heating technology (e.g. oil and gas boiler systems, wood-fired heating systems, heat pump technology), ventilation technology, solar technology, sanitary technology (e.g. sanitary installation work, water treatment systems, rainwater harvesting), and electrical technology (e.g. electrical installation work, lighting, communication, IT, security systems, building automation). The company offers its customers comprehensive solutions, providing a single point of contact for all building technology needs.

SPC Solar AG

Since 2024 · 1–10 empl.·4.8(25)

The core activity of SPC Solar AG is the planning, installation and marketing of photovoltaic systems and energy storage systems for private and business customers, with the aim of enabling customers to produce their own renewable energy and increase their independence from external power sources.

Ellenbroek Hugentobler AG

Since 1975 · 21–50 empl.·4.8(10)

Ellenbroek Hugentobler AG is an electrical engineering company offering services such as electrical installations, network construction, telematics, building services, photovoltaics, e‑mobility and service/maintenance. The company also provides planning, consulting and control/security solutions and is part of the Baumann Koelliker Gruppe.

Elektro Bolt GmbH

Since 1999 · 1–10 empl.·5.0(6)

The core activity of Elektro Bolt GmbH is the planning, coordination and execution of high and low voltage installations, including lighting concepts, light, telephone and multimedia connections, as well as electrical planning for new buildings, renovations and refurbishments in the areas of private customers, industry and public companies and institutions.

Ellenbroek Hugentobler AG

Since 2001 · 21–50 empl.·4.8(10)

Ellenbroek Hugentobler AG is an electrical engineering firm providing services including electrical installations, telematics, fiber-optic (LWL) systems, network construction, building technology, photovoltaics and e-mobility, as well as service, maintenance, planning and inspections.

Ellenbroek Hugentobler AG

Since 2007 · 21–50 empl.·4.8(10)

Ellenbroek Hugentobler AG provides electrical engineering services, including electrical installations, telematics, fiber-optic network construction, building services, photovoltaic systems and e-mobility solutions. The company also offers maintenance, planning and consulting, as well as control and security services, and is part of the Baumann Koelliker Gruppe.

LESOL GmbH

Since 2023 · 1–10 empl.·5.0(17)

The core activity of LESOL is the planning, installation and maintenance of sustainable energy solutions, particularly in the field of solar energy, battery storage and e-mobility. This includes creating individual project plans, installing photovoltaic systems and battery storage systems, as well as consulting and installing charging stations for electric vehicles.

Haro AG

Since 1983 · 1–10 empl.

Haro AG markets the Suntracker system, a solar-powered, GPS-controlled daylight delivery system that uses a rotating mirror, a high-reflectance light shaft and diffuser lenses to bring natural light indoors. The system is intended to reduce artificial lighting energy use and is presented for applications such as industrial buildings, schools, stables and hospitals.

F. Kaufmann AG

Since 1986 · 1–10 empl.

The core activity of F. Kaufmann AG is the planning, installation and maintenance of sustainable heating systems, solar systems, heat pumps, sanitary and ventilation technology. The company offers consulting, cost estimation and quotes for new construction, renovation and refurbishment of buildings, with the goal of enabling environmentally friendly and efficient energy generation and use.

Anderes Heizungstechnik AG

Since 1991 · 1–10 empl.

The core activity of Anderes AG is the planning, implementation and installation of heating systems, including heating renovations, installation of heating systems, flushing of heating systems, planning and consulting, as well as the installation of alternative systems such as heat pumps, solar energy, wood-fired heating systems and general refrigeration and heat technology.

Solargenossenschaft Aadorf

Since 1995 · 11–20 empl.

The company's core activity is the generation of electrical energy through photovoltaic systems and water wheels, in particular through the operation of solar power production plants on building roofs, as well as the promotion and support of private individuals in the installation of photovoltaic systems.

Vogel Dach- und Fassadenbau AG

Since 1996 · 1–10 empl.

The core activity of Vogel Dach- und Fassadenbau AG is the planning, execution and maintenance of roofing and façade work, including the installation of photovoltaic systems and the performance of sheet metal work. The company offers various services, such as the construction of pitched roofs, flat roofs and façades, as well as the sealing and insulation of roofs and façades.

BZA AG

Since 2001 · 1–10 empl.

The core activity of BZA AG Solar is the planning, construction, maintenance and operation of photovoltaic systems as well as the sale of solar power. The company also offers services such as energy consulting, analysis and simulation, planning, construction, installation, maintenance and computer-based maintenance of photovoltaic systems.

Genossenschaft EW Romanshorn

Since 2003 · 21–50 empl.

The core activity of EWR is the supply of electricity and water to private individuals, properties and municipalities. This includes the provision of electricity products, electricity tariffs, photovoltaic solutions, regional water, water tariffs, water quality control and supply. In addition, the company offers services such as fibre-optic and dark fibre connections, maintenance of transformer stations, public lighting and ARA fees.

Energy Depot Swiss GmbH

Since 2005 · 1–10 empl.

The company's core activity is the development and distribution of high-quality solar products and energy storage systems for private and commercial applications, including solar modules, inverters, batteries, energy management systems and charging stations.

Astrostrom GmbH

Since 2005 · 1–10 empl.

The core activity of Astrostrom GmbH is the development and promotion of clean and inexhaustible energy from space, particularly through the use of extraterrestrial resources and advanced robotics technology. The company acts as a think tank and focuses on promoting the economic, technological and cultural dimensions of space-based energy generation.

Sat Solar International AG

Since 2005 · 11–20 empl.

Sat Solar International AG is a distributor of photovoltaic components within the SAT Solar Group. The company supplies PV modules, inverters and related components for residential and commercial customers.

Sat Solar Swiss AG

Since 2005 · 11–20 empl.

The company's core activity is the planning, design, installation, maintenance and monitoring of photovoltaic systems for various customers, including homeowners, commercial businesses and public institutions. The company also offers energy contracting, smart grids and self-consumption communities.

Markantus AG

Since 2008 · 1–10 empl.

The core activity of Markantus AG is the planning, implementation and maintenance of photovoltaic systems, in particular special PV solutions, including the analysis and optimization of sites, the submission of building applications, the physical implementation by a network of qualified craftsmen and the ongoing maintenance and quality control of the systems.