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

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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

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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 August 26, 2026

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

124in the Canton of ValaisCommercial 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

Martigny5

Place axis

Other industries in Sion

All companies in Sion

Real Estate Project Development338 Restaurants170 Holding Companies143 Real Estate Brokerage141 Property Management119 Architecture Firms100 IT Consulting & Services71 Fiduciary Offices69 Management Consulting56 General Contractors56 Auto Repair Shops54 Technical Consulting & Engineering52 Software Development52 Automotive & Vehicle Trade50 Advertising Agencies46 Hair Salons44 NGOs & NPOs34 Plumbing & Building Services33 Retail - Textiles & Clothing32 Other Service Industries30 Electrical Planning & Installation30 Psychiatry & Psychotherapy30 Facility Management & Cleaning30 Physiotherapy29 Clubs, Bars & Event Venues28 Coaching & Personal Development27 Financial Services27 Logistics & Transport Companies27 Viticulture26 Cultural & Educational Organizations26 Online Shops26 Recruitment & HR Consulting25 Research & Development24 Trade Fair & Event Organizers24 Insurance Brokerage & Consulting24 Printing Companies24 Interior Design & Furnishing23 Painting & Plastering23 Sports & Recreation Instruction23 Dental Clinics23 Hotels23 Continuing Education Institutes22 Civil Engineering Firms21 Wellness & SPA Facilities21 External Asset Management20 Building Construction19 Medical Technology Industry19 Wholesale - Beverages & Spirits19

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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