Energy Industry in the
Canton of St. Gallen

51 companies in Energy Industry based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 51 companies

NeoVac AG

Since 1972

Smart EnergyEnergy MonitoringSelf-Consumption Pool (ZEV)

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NeoVac ATA AG

Since 1979

Heat and cold meteringWater meteringMonitoring of energy flows

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iNET ENERGETIX AG

Since 1983

Solar energy projectsTechnical services for solar projectsFinancial services for solar projects

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ETS Energie-Technik-Systeme AG

Since 1991

Heat exchangersSterile heat exchangersShell-and-tube heat exchangers

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Bion Bauhaus AG

Since 1994

Heat pumpsWood energySolar systems

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ELCOTHERM AG

Since 1996

Heat pumpsGas heating systemsOil heating systems

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Entegra Wasserkraft AG

Since 1999

Planning and construction of hydropower plantsRenovation of hydropower plants under the Water Protection ActBusiness and operations management

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HSK AG Kälte-, Klima- und Energietechnik

Since 2001

Refrigeration technologyServiceProducts

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Glattstrom Buchholz AG

Since 2004

Management and operations management mandate for the small hydropower plant Buchholz

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NRG A AG

Since 2006

District heatingHeat and energy contractingWaste heat utilization

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NRG B AG

Since 2007

District heatingSolar energyHeat and energy contracting

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Business Creation Wind Energy AG

Since 2007

Business redevelopment solutionsDevelopment of industrial parks and business centresJob creation and job retention programmes

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Bilfit Technik AG

Since 2009

Leak detectionDryingDisinfection and odour neutralisation

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Rovi Energie AG

Since 2010

Project developmentConcept studyFeasibility study

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Förderverein energietal toggenburg

Since 2010

Energy consultingAdvisory service for renewable heatingAdvisory service: solar power from the roof

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Fernwärme Gähwil AG

Since 2010

District heating network

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Ventus Energy GmbH

Since 2012

Renewable energy project developmentProject finance for energy infrastructureDirect loans to energy projects

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Troyer Suisse AG

Since 2012

Complete solutionsTurbinesControl & automation

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Sysbo AG

Since 2015

Indirect district heating transfer stationDirect district heating transfer stationHot water solutions

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STS Wind GmbH

Since 2015

Development of wind energy projectsSite evaluation for wind power plantsDevelopment of utility-scale PV systems

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Bilfit Windkraft AG

Since 2015

Leak detectionDryingDisinfection

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Kraftwerk Stadtbrücke AG

Since 2016

Electricity generation

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Fortimo Solutions AG

Since 2019

Energy solutions with solar electricityContracting

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Wasserstoffproduktion Ostschweiz AG

Since 2019

Hydrogen productionHydrogen fueling stationsTours of hydrogen production

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Arnold AG

Since 2020

Grid construction in the energy sectorTelecom network constructionGrid construction in the transport sector

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Natpower International AG

Since 2021

Hydro Electricity StorageAdvanced Renewable Energy System (ARES)Project Development, Financing, Implementation and Operation

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Enertrans GmbH

Since 2021

Grid facilitiesLinesAsset Management

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SAK onergy AG

Since 2022

Photovoltaic systemsHeat pumpsBattery storage

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Quellfrosch GmbH

Since 2024

Micro hydropower plantsCoanda water intakesPhotovoltaic systems

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Uznaberg AG

HydropowerWarehouse space rentalApartment rental

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Kraftwerke Unterterzen AG

Since 1988

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Buschor Fernwärme AG

Since 2013

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green2energy AG

Since 2021

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separatus AG

Since 2023

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CNO Consulting SA

Since 1990

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Genossenschaft Calandablick-Unterrain Bad Ragaz

Since 1990

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Isento Wasserkraft AG

Since 1990

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Poltera Energie und Automation

Since 1996

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Kleinwasserkraftwerk Mühle AG

Since 2000

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BSW Kraftwerk AG

Since 2002

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Wasserkraftwerk Ebnat AG

Since 2003

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Watt Energie GmbH

Since 2008

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Genossenschaft Fernwärme Mogelsberg

Since 2010

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Vento Verde AG

Since 2011

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Kraftwerk Berschnerbach AG

Since 2013

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Aklas AG

Since 2014

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Tommasini Energie

Since 2019

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N2E GmbH

Since 2023

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BK-Sunray GmbH

Since 2023

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Wärme Netz Ostschweiz Holding AG

Since 2024

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Energy Industry in the Canton of St. Gallen

51Energy IndustryCommercial register (Zefix) · as of August 26, 2026

2010Median year of registrationCommercial register (Zefix) · as of August 26, 2026

51in the Canton of St. GallenCommercial register (Zefix) · as of August 26, 2026

1,465in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Energy Industry in the region

Point size by number of companies per place.

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

Largest places

St. Gallen12

Place axis

Other industries in the Canton of St. Gallen

All companies in the Canton of St. Gallen

Restaurants1,119 Property Management1,021 Management Consulting964 Real Estate Project Development782 IT Consulting & Services778 Auto Repair Shops725 Fiduciary Offices701 Holding Companies672 Technical Consulting & Engineering627 Software Development564 Advertising Agencies554 Automotive & Vehicle Trade517 Architecture Firms496 Facility Management & Cleaning479 Real Estate Brokerage473 Online Shops449 Painting & Plastering444 Interior Construction436 Mechanical Engineering Industry433 Coaching & Personal Development432 Hair Salons430 Plumbing & Building Services418 Food Processing417 Electrical Planning & Installation354 Logistics & Transport Companies352 Timber Construction & Carpentry329 Metal Construction322 Horticulture & Landscaping321 Flooring & Tiling308 Textile & Clothing Industry294 Beauty Salons279 Retail - Textiles & Clothing269 General Contractors262 Repair of Machinery & Electronic Devices257 Joinery253 Building Maintenance247 Building Construction245 Recruitment & HR Consulting235 Solar & Photovoltaics229 Retail - Food & Luxury Items228 Other Service Industries225 Civil Engineering225 Continuing Education Institutes225 Retail - General Specialty Trade217 Sports & Recreation Instruction214 NGOs & NPOs213 Wholesale - Machinery & Technical Equipment211 Retail - Bicycles & Sports Equipment207

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Energy Industry in theCanton of St. Gallen

50 of 51 companies

Energy Industry in the region

Energy Industry in other places

Other industries in the Canton of St. Gallen

Energy Industry in the
Canton of St. Gallen