The story
Founded by Oluf Onsum.1
Private company
Norwegian steel company
Christiania Spigerverk is a steel company which was founded in Oslo in 1853 and developed into one of the largest industrial companies in Norway. In 1972, Christiania Spigerverk combined with Elkem, to become Elkem Spigerverket. It was sold to Norsk Jernverk in 1985, and it again split out as a separate company in 1993.2 It was founded by Oluf Onsum.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Christiania Spigerverk is a steel company which was founded in Oslo in 1853 and developed into one of the largest industrial companies in Norway. In 1972, Christiania Spigerverk combined with Elkem, to become Elkem Spigerverket. It was sold to Norsk Jernverk in 1985, and it again split out as a separate company in 1993.2
Founded by Oluf Onsum.1
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