The company Strömberg expanded in an early stage and founded another factory branch in Vaasa, Finland, in an area which is now known as Strömberg Park. The Strömberg Park area was planned, and parts of the buildings there today were designed by Alvar Aalto.
The company has many inventions and firsts to its credit. It has many innovations particularly in the protection relay industry. It was one of the first to manufacture numerical relays in the 1980s and are still in production with high demand.
The company manufactured the electrical components of numerous rail vehicles built by other Finnish companies, as well as for the Finnish State Railways' Soviet-built Sr1 class locomotives.