Largest companies by revenue in Notodden
Ranked by the most recently reported operating revenue.
Together the 100 companies on this list account for NOK 6.2bn. Top of the list is NEL HYDROGEN ELECTROLYSER AS with NOK 582.0m, ahead of NORTHERN DATA NOR AS. The largest industry is retail sale of motor vehicles, with 6 companies.
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Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.
The list is ranked on the most recently reported financial figures. See method and caveats below.
These lists show actual registered figures from public sources (the Brønnøysund registers). They are not an assessment of creditworthiness, solidity or suitability as a customer, supplier or investment. Figures are for the most recently reported financial year.