Insulation in
Sion

8 companies in Insulation based in Sion — name and year of registration from the commercial register. The list below shows them all.

Companies

All 8 companies in Sion

Lambda Sion SA Logo

Lambda Sion SA

Since 1989 · 11–20 empl.3.7(7)

Lambda Sion SA is a company that provides thermal insulation (calorifugeage), fire-protection installations, acoustic treatments, and suspended ceiling and wall-cladding solutions. Services include insulation of pipes and ventilation ducts, fire-resistant linings and partitions, noise-reduction systems and ceiling products in metal, mineral fibres, plaster and wood.

InsulationInsulation and protectionVentilation plant insulationFire protection
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #1
GD

Geneux Dancet SA

Since 1953 · 1–10 empl.

Insulation
No score yetSS

Sutech SA

Since 1981 · 1–10 empl.

Insulation
No score yetID

ISOL-TECH DJANTI

Since 2024 · 1–10 empl.

Insulation
No score yetIS

Issa S.A., Succursale Valais

Since 2025 · 1–10 empl.

Insulation
No score yetIS

IsoPremium Sàrl

Since 2025 · 1–10 empl.

Insulation
No score yetJS

JS-Isolation Sàrl

Since 2026 · 1–10 empl.

Insulation
No score yetFE

Fisnik Etanchéité Sàrl

Since 2026 · 1–10 empl.

Insulation
No score yet

Insulation in Sion

8InsulationCommercial register (Zefix) · as of November 5, 2026
2025Median year of registrationCommercial register (Zefix) · as of November 5, 2026
81in the Canton of ValaisCommercial register (Zefix) · as of November 5, 2026
2,397in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Insulation in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026

Largest places

Conthey6Martigny6Visp5
Industry axis

Insulation in other places

Insulation across Switzerland
Conthey6Martigny6Visp5

By canton

Canton of Zurich493Canton of Vaud236Canton of Bern182Canton of Aargau181Canton of St. Gallen148Canton of Lucerne136Canton of Geneva124Canton of Ticino98Canton of Thurgau97Canton of Fribourg95Canton of Basel-Country91Canton of Zug82Canton of Valais81Canton of Solothurn74Canton of Schwyz69Canton of Grisons34Canton of Neuchâtel30Canton of Jura19Canton of Schaffhausen16Canton of Obwalden14Canton of Appenzell Outer Rhodes10Canton of Nidwalden10Canton of Uri7Canton of Glarus4Canton of Appenzell Inner Rhodes3
Place axis

Other industries in Sion

All companies in Sion
Property developer381Holding company319Property management210Restaurant201Real estate agent198Architect116IT service provider101Management consultant94Engineer80Accountant79Software developer76Advertising agency69General contractor66Car dealership60Garage56Nonprofit organization55Event agency52Hairdresser49Financial services43Cleaning company42Bar42Other services41Renovation39Online shop39Coach38Research institute38Clothing store38Construction manager37Plumber37Psychotherapist37Cultural organisation36Electrician35Transport company34Physiotherapist32Recruitment agency31Building contractor30Painter30Insurance broker30Continuing education provider30Sports lessons30Medical technology manufacturer29Grocery store29Administrative services28Interior architect28Asset manager27Civil engineer26Wholesale26Winery25