Solar & Photovoltaics in the
Canton of Thurgau

140 companies in Solar & Photovoltaics based in the Canton of Thurgau — name and year of registration from the commercial register.

Companies

50 of 140 companies

Habersaat AG

Since 1966

Electrical installationsPhotovoltaics / solar systemsE-mobility

View profile4.5(12)

Ellenbroek Hugentobler AG

Since 1975

PhotovoltaicsElectrical installationsPlanning & consulting

View profile4.8(10)

W. Flück AG

Since 1981

Solar energySanitary installationsHeating systems

View profile3.8(4)

Haro AG

Since 1983

Natural indoor lighting with SuntrackerSuntracker modelsTechnical data and system design

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Kurt Büchler AG, Bedachungen

Since 1984

RoofingSheet metal workFaçades and building envelopes

View profile4.2(6)

F. Kaufmann AG

Since 1986

Heat pumpsSolar systemsHeating systems

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Gebr. Willi Elektro AG

Since 1987

Electrical installationsPhotovoltaic systemsPlanning and tendering

View profile4.9(15)

Brändle Gebäudehüllen AG

Since 1987

Pitched roofFlat sealed roofFacade construction

View profile4.9(18)

Anderes Heizungstechnik AG

Since 1991

Heating technologySolar technologyHeat pumps and alternative systems

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Strassburger Elektro AG

Since 1993

Electrical installationsPhotovoltaic systemsE-mobility

View profile4.4(14)

A. Graf Elektro-Installationen AG

Since 1993

Renewable energiesElectrical installationsElectrical planning

View profile4.2(40)

Menegardi AG, Fassadenbau und Bedachungen

Since 1994

RoofingFacade constructionFacade maintenance

View profile4.5(4)

Bühler Bedachungen und Bauspenglerei AG

Since 1995

RoofingPhotovoltaicsFacade construction

View profile5(29)

Solargenossenschaft Aadorf

Since 1995

Solar power generationCooperative membership

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Vogel Dach- und Fassadenbau AG

Since 1996

Pitched roofFlat roofFacade

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Zürcher Aquatech AG

Since 1998

Sanitary installationsSolar thermal systemsSheet metal works

View profile5(5)

alsol ag alternative energiesysteme

Since 1999

Solar systemsEnergy storage systemEV charging stations

View profile5(8)

Elektro Bolt GmbH

Since 1999

Electrical planningElectrical installationsSmart Home

View profile5(6)

MBRsolar AG

Since 2001

Project planningEnergy advisorySystem monitoring

View profile4.1(12)

BZA AG

Since 2001

Photovoltaic systemsZEVRoof rental

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Technische Betriebe Weinfelden AG

Since 2001

Electricity productsDistrict heating for WeinfeldenDrinking water

View profile4(29)

EW Sirnach AG

Since 2002

Electricity supplyWater supplyCommunication network / fibre-optic network

View profile4.7(13)

Steiner AG, Dächer - Fassaden - Spenglerei

Since 2002

RoofingFacadesSheet metal work

View profile5(5)

Genossenschaft EW Romanshorn

Since 2003

Electricity supplyWater supplyPhotovoltaics

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Mütec GmbH

Since 2003

Photovoltaic systemsBattery storage systemsHeat pumps

View profile4(1)

Zuliani Sanitär - Heizung GmbH

Since 2003

Plumbing servicesHeating services

View profile5(7)

Buchmüller GmbH

Since 2004

Heating engineering and heating installationsSanitary installations and bathroom renovationsHousehold appliance service and installation

View profile4.9(10)

SES Sanitär GmbH

Since 2004

Sanitary installationsHeatingVentilation

View profile4(4)

psp energietechnik ag

Since 2004

Building services planningHeating systemsVentilation systems

View profile5(4)

Energy Depot Swiss GmbH

Since 2005

Energy storage systemsSolar modulesPV inverters

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Burkhardt Heizungen & Sanitär GmbH

Since 2005

Heating system installations and replacementSanitary installationsBathroom renovations

View profile5(14)

Astrostrom GmbH

Since 2005

Concept development for Space-Based Solar Power (SBSP)Feasibility studies and Feasibility StudiesVisualisations and presentations

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Sat Solar International AG

Since 2005

PhotovoltaicsEnergy ContractingOwn investment for SMEs

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Sat Solar Swiss AG

Since 2005

Turnkey photovoltaic systemsPV systems for pitched roofsPV systems for flat roofs

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Coma Elektro GmbH

Since 2007

PhotovoltaicsElectrical installationsBuilding automation

View profile5(3)

Ellenbroek Hugentobler AG

Since 2007

Electrical InstallationsNetwork ConstructionPhotovoltaics

View profile4.8(10)

Gerber Electric

Since 2007

Electrical installationsSolar systemsLow-voltage systems

View profile4.7(3)

RG Energietechnik GmbH

Since 2008

Photovoltaic systemsEnergy storageEV charging stations

View profile4.6(18)

Energiegenossenschaft Region Ostschweiz, ENGERO

Since 2008

Contracting for photovoltaic systems, wind power and storage systemsLoans for further projects

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Plica AG

Since 2008

Solar & PhotovoltaicsMounting hardwareSolar and earthing cables

View profile5(1)

Helvetic PV GmbH

Since 2009

PV consultingPV system constructionPV service

View profile4.2(13)

HEIM AG Solarsysteme

Since 2009

Photovoltaic systemsBattery storageEnergy management systems

View profile5(3)

EnerSol Graf AG

Since 2010

Battery storage and photovoltaicsEnergy conceptSelf-consumption / ZEV

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Bau fair GmbH

Since 2010

Conversion, Renovation and RefurbishmentNew Construction in Timber ConstructionPhotovoltaic Systems

View profile5(1)

Genossenschaft Solar Regio Weinfelden

Since 2010

Solar power generationSolar power supplyBecome a cooperative member

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agrobio schönholzer ag

Since 2011

Sanitary installationsHeating systemsPlanning & consulting

View profile4.7(15)

Sunny Solartechnik (Schweiz) GmbH

Since 2012

Photovoltaic systemsAdvice, planning, installation and maintenance of solar power systemsPhotovoltaic modules

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Ellenbroek Hugentobler AG

Since 2012

Electrical installationsPhotovoltaicsE-mobility

View profile4.8(10)

Systema Solis GmbH

Since 2013

Photovoltaics / solar power plantRoofingElectrical installations

View profile4.4(47)

Save you GmbH

Since 2014

PV systemsBattery storageSecurity solutions

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Show 38 more companies

Solar & Photovoltaics in the Canton of Thurgau

140Solar & PhotovoltaicsCommercial register (Zefix) · as of August 26, 2026

2016Median year of registrationCommercial register (Zefix) · as of August 26, 2026

140in the Canton of ThurgauCommercial register (Zefix) · as of August 26, 2026

3,199in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Kreuzlingen16 Frauenfeld10 Weinfelden8 Sulgen7 Tägerwilen6 Ermatingen6 Romanshorn5 Amriswil5

Place axis

Other industries in the Canton of Thurgau

All companies in the Canton of Thurgau

Management Consulting554 Property Management529 Restaurants479 IT Consulting & Services468 Auto Repair Shops438 Automotive & Vehicle Trade396 Real Estate Project Development363 Fiduciary Offices353 Holding Companies353 Software Development334 Technical Consulting & Engineering328 Advertising Agencies285 Online Shops284 Coaching & Personal Development283 Real Estate Brokerage266 Architecture Firms261 Facility Management & Cleaning259 Mechanical Engineering Industry257 Food Processing253 Interior Construction252 Horticulture & Landscaping239 Logistics & Transport Companies230 Plumbing & Building Services228 Painting & Plastering226 Electrical Planning & Installation197 Hair Salons191 Metal Construction171 Building Maintenance166 Flooring & Tiling160 General Contractors157 Repair of Machinery & Electronic Devices156 Timber Construction & Carpentry147 Joinery143 Sports & Recreation Instruction139 NGOs & NPOs132 Other Service Industries132 Retail - General Specialty Trade132 Recruitment & HR Consulting131 Metal Industry130 Textile & Clothing Industry129 Building Construction127 Continuing Education Institutes116 Construction & Project Management114 Civil Engineering112 Retail - Food & Luxury Items112 Wholesale - Machinery & Technical Equipment112 Trade Fair & Event Organizers110 Beauty Salons109

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Solar & Photovoltaics in theCanton of Thurgau

50 of 140 companies

Solar & Photovoltaics in the region

Solar & Photovoltaics in other places

Other industries in the Canton of Thurgau

Solar & Photovoltaics in the
Canton of Thurgau