Solar & Photovoltaics in the
Canton of Thurgau

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

Companies

50 of 182 companies

Pezag AG

Since 1991

Electrical installationControl cabinet manufacturingPhotovoltaics

View profile4.5(58)

Loxone Schweiz GmbH

Since 2011

Building automationSmart HomeSoftware & Services

View profile4.2(70)

Habersaat AG

Since 1966

Electrical installationsPhotovoltaics / solar systemsE-mobility

View profile4.6(16)

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

View profile

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

View profile

Roost + Aeberli AG

Since 1987

Solar Power SystemsElectrical InstallationsHeat Pumps

View profile3.7(15)

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

View profile

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

View profile

Vogel Dach- und Fassadenbau AG

Since 1996

Pitched roofFlat roofFacade

View profile

Zürcher Aquatech AG

Since 1998

Sanitary installationsSolar thermal systemsSheet metal works

View profile5(5)

alsol ag

Since 1999

Solar systemsEnergy storage systemEV charging stations

View profile5(9)

Elektro Bolt GmbH

Since 1999

Electrical planningElectrical installationsSmart Home

View profile5(6)

Ellenbroek Hugentobler AG

Since 2001

Electrical installationsPhotovoltaicsE-mobility

View profile4.8(10)

MBRsolar AG

Since 2001

Project planningEnergy advisorySystem monitoring

View profile4.1(13)

BZA AG

Since 2001

Photovoltaic systemsZEVRoof rental

View profile

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

View profile

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

View profile

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

View profile

Sat Solar International AG

Since 2005

PhotovoltaicsEnergy ContractingOwn investment for SMEs

View profile

Sat Solar Swiss AG

Since 2005

Turnkey photovoltaic systemsPV systems for pitched roofsPV systems for flat roofs

View profile

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)

Markantus AG

Since 2008

Photovoltaic SolutionsPV Energy Supply ContractingBattery Storage

View profile

RG Energietechnik GmbH

Since 2008

Photovoltaic systemsEnergy storageEV charging stations

View profile4.6(20)

Energiegenossenschaft Region Ostschweiz, ENGERO

Since 2008

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

View profile

Plica AG

Since 2008

Solar & PhotovoltaicsMounting hardwareSolar and earthing cables

View profile4.3(3)

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

View profile

Bau fair GmbH

Since 2010

Conversion, Renovation and RefurbishmentNew Construction in Timber ConstructionPhotovoltaic Systems

View profile5(1)

Näf Installationen AG

Since 2010

Sanitary engineeringHeating engineeringSolar thermal systems

View profile4.8(23)

Solar & Photovoltaics in the Canton of Thurgau

182Solar & PhotovoltaicsCommercial register (Zefix) · as of September 27, 2026

2015Median year of registrationCommercial register (Zefix) · as of September 27, 2026

182in the Canton of ThurgauCommercial register (Zefix) · as of September 27, 2026

3,940in SwitzerlandCommercial register (Zefix) · as of September 27, 2026

Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 27, 2026

Largest places

Kreuzlingen24 Frauenfeld14 Amriswil9 Tägerwilen8 Weinfelden8 Ermatingen7 Horn6 Sulgen6 Romanshorn5 Bischofszell5

Place axis

Other industries in the Canton of Thurgau

All companies in the Canton of Thurgau

Property Management1,485 Holding Companies1,124 Management Consulting1,072 Real Estate Project Development814 IT Consulting & Services751 Restaurants711 Real Estate Brokerage619 Automotive & Vehicle Trade580 Technical Consulting & Engineering552 Auto Repair Shops540 Fiduciary Offices524 Coaching & Personal Development511 Software Development493 Online Shops422 Advertising Agencies421 Wholesale - General Specialty Trade408 Facility Management & Cleaning380 Architecture Firms374 Building Maintenance347 Construction & Project Management332 Mechanical Engineering Industry331 General Contractors329 Food Processing320 Logistics & Transport Companies320 Other Service Industries312 Painting & Plastering309 Trade Fair & Event Organizers296 Horticulture & Landscaping292 Interior Construction286 Plumbing & Building Services286 Electrical Planning & Installation242 Building Construction226 Repair of Machinery & Electronic Devices219 Hair Salons216 Wholesale - Machinery & Technical Equipment216 Metal Construction210 Continuing Education Institutes197 Flooring & Tiling196 Retail - General Specialty Trade196 Catering196 Recruitment & HR Consulting191 Timber Construction & Carpentry190 Financial Services180 NGOs & NPOs172 Joinery169 Retail - Food & Luxury Items168 Beauty Salons161 Wholesale - Food & Luxury Items160

Show all

Solar & Photovoltaics in theCanton of Thurgau

50 of 182 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