Oy Sisu Auto Ab was established in 1994 and it continued the activities of Oy Suomen Autoteollisuus Ab that was established A ... pril the 1st 1931. Oy Suomen Autoteollisuus Ab was a private company and the first one in Finland in transport vehicle business. Today Sisu Auto is a family company owned by Chairman Timo Korhonen. Sisu Auto employs 100 professionals in production, sales, design and project management of heavy trucks and special vehicles. During its over 90-year long existence endurance, customer orientation and innovativeness have always been and still are the values characteristic for Sisu. read more