Search results

  • Keystone Manufacturing (Plastics) Ltd. Website Contacts
    (416) 293-3842
    15 Golden Gate Crt., Scarborough, ON M1P 3A4

    Keystone's early operations, begun in 1958, made specialty plastics items (tent signs, calculators etc). Its first plastic cards was manufactured for a current competitor, without realizing the potential then. But in 1984, under new ownership, Keystone launched into the card manufacturing busines…