Civil engineering activities
SIV.ING Ø.Steffenach
SIV.ING Ø.Steffenach is registered as a sole proprietorship in Tromsø, Troms with organisation number 991045740. The business is classified under civil engineering activities (NACE 71.121).
Who owns SIV.ING Ø.Steffenach?
No shareholders are registered for SIV.ING Ø.Steffenach in open Norwegian sources. Shareholder data exists mainly for limited companies (AS/ASA).
Frequently asked questions about SIV.ING Ø.Steffenach
Where is SIV.ING Ø.Steffenach based?
SIV.ING Ø.Steffenach has its business address in Tromsdalen.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.