In 1993 Jorma S. Jerkku was replaced by the company Vice President Heikki Luostarinen. Already year after that he was followed by Christer Granskog. A period of turmoil started: in April 1994 Sisu-Auto bought from Valmet its Transmec unit and tractor production; as a consequence, Valmet became minority owner in Sisu-Auto with 24.13% share. As also Valmet was state-owned, the state of Finland owned directly and indirectly total 99.01% part of Sisu-Auto. The new company name was Oy Sisu Ab and its business units were Sisu Tractors with 48% share, Sisu Terminal Systems (19%), Sisu Logging (12%), Sisu Trucks (10%), Sisu Defence (4%), Sisu Factory Automation (4%) and Sisu Components (3%). Subsequently, the corporation was subdivided; first Oy Sisu Trucks Ab in November 1994 and at the beginning of the following year Sisu Defence Oy, Sisu Terminal Systems Oy and Fastems Oy; additionally, Sisu Diesel Oy was separated from Sisu Traktorit Oy. In 1995 Fastems was sold to Mercantile. The Hämeenlinna axle factory became Sisu Axles Oy at the end of the year. Sinex was sold in 1996.