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  • St. Marys Cement Inc. (Canada) Website Contacts
    (416) 696-4411
    55 Industrial Street Toronto, East York, ON M4G 3W9

    St Marys Cement manufactures a range of cementitious products—including Portland, blended, slag, and masonry cements—for construction firms, infrastructure developers, and residential builders across Canada and the United States. Founded in 1912 in St. Marys, Ontario, the company operates six strat…