The four other men killed in Saturday's crash on highway 17 near English River have been identified.
Provincial Police say 26 year old Brady Ostell, 27 year old Andrew Ostell, both from Kitchener, 42 year old Kyle Prince from Waterloo and 44 year old James Jackson from Fort Erie died when the pick-up truck they were in collided with a transport truck.
The driver of the transport, a 43-year-old man from Cambridge, was also killed.
Provincial Police continue their investigation.