Energy Industry in Sion

Companies

All 14 companies in Sion

Lizerne et Morge SA

Since 1957

Hydroelectricity

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FMV SA

Since 1991

Hydropower generationTransmission and operation of the high-voltage gridElectricity marketing

View profile5(1)

Groupe E Entretec SA

Since 2018

Water treatment and maintenanceEngineering, maintenance and energy-optimisation services

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Telsa SA

Since 2021

Electrical engineeringIndustrial electronicsRenewable energies

View profile4.6(24)

WattAnyWhere SA

Since 2021

Mobile ethanol generator

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ED

Electricité de la Lienne SA

Since 1953

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GS

Gazoduc SA Sion

Since 1961

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HS

Hydro-Rhône SA

Since 1982

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TS

TorPower SA

Since 2020

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CS

CELECTIS Sàrl

Since 2022

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ES

Emissium SA

Since 2023

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US

USMO SA

Since 2024

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OS

Oblo Solutions SA

Since 2025

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HT

H2SE Tech SA

Since 2025

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Energy Industry in Sion

14Energy IndustryCommercial register (Zefix) · as of September 26, 2026

2021Median year of registrationCommercial register (Zefix) · as of September 26, 2026

119in the Canton of ValaisCommercial register (Zefix) · as of September 26, 2026

1,457in SwitzerlandCommercial register (Zefix) · as of September 26, 2026

Locations

Energy Industry in the region

Point size by number of companies per place.

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

Largest places

Gamsen5 Bourg-St-Pierre5

Place axis

Other industries in Sion

All companies in Sion

Real Estate Project Development381 Holding Companies321 Property Management212 Restaurants206 Real Estate Brokerage200 Architecture Firms116 IT Consulting & Services97 Management Consulting93 Fiduciary Offices79 Technical Consulting & Engineering78 Software Development74 General Contractors66 Advertising Agencies66 Automotive & Vehicle Trade59 Auto Repair Shops57 NGOs & NPOs54 Trade Fair & Event Organizers51 Hair Salons49 Financial Services42 Facility Management & Cleaning41 Other Service Industries40 Clubs, Bars & Event Venues40 Research & Development39 Coaching & Personal Development38 Plumbing & Building Services38 Building Maintenance36 Retail - Textiles & Clothing36 Electrical Planning & Installation35 Cultural & Educational Organizations35 Psychiatry & Psychotherapy35 Online Shops35 Construction & Project Management34 Logistics & Transport Companies34 Physiotherapy33 Recruitment & HR Consulting30 Continuing Education Institutes30 Insurance Brokerage & Consulting29 Medical Technology Industry29 Administrative Services28 Building Construction28 Painting & Plastering28 Retail - Food & Luxury Items28 Interior Design & Furnishing27 Sports & Recreation Instruction27 External Asset Management27 Viticulture26 Wholesale - General Specialty Trade26 Hotels26

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Energy Industry inSion

All 14 companies in Sion

Energy Industry in the region

Energy Industry in other places

Other industries in Sion

Energy Industry in
Sion