The Vihtavuori Plant was originally founded in 1922 to produce propellants and explosive materials.
Nammo Lapua Oy, Vihtavuori Site
In 1998 the defence products section covering charges for artillery and mortar systems, medium caliber rounds, fuzes, base bleed units and hand grenades was merged into the Nammo Group.
The plant has about 50 employees.
Nammo Vihtavuori Oy, Propellant site
In 2014 the propellant plant in Vihtavuori became part of the Nammo Group as well. For over 90 years, Vihtavuori has been known for producing high quality propellants with reliable ballistic performance, long shelf-life and wide variety selection.
The plant has about 100 employees.