1608557 Ontario, Inc., an integrated biopharmaceutical company, engages in the development and manufacture of biologics, particularly blood-related protein-based therapeutics. The company was founded in 1985. It was formerly known as Hemosol Corp. and changed its name to 1608557 Ontario, Inc. in July 2007. 1608557 Ontario, Inc. is based in Mississauga, Canada. On November 24, 2005, Hemosol Corp. filed for Bankruptcy and Insolvency Act.