Welcome to Strømmen Group Strømmen is a manufacturer of exclusive windows, doors, bi-folding doors, sliding patio doors and facades in timber and aluminium. The first Strømmen product was introduced in Norway already in 1884, and since the World Exposition in 1889, it has been an internationally known quality brand. With more than 60 employees, many years of experience and advanced technology, we manufacture products that fulfil the most demanding requirements in Europe. In 2005, all our production was moved to Lithuania and we opened two new factories in 2015 and 2020 with a combined floor space of 7600 m2. Strømmen strives to offer high-quality and exclusive products at competitive prices.