Since its founding in 1912 in St. Marys, St Marys Cement has been a major producer of cementitious materials in the Great Lakes Region. St Marys Cement participated in such landmark projects as the C...
Since its founding in 1912 in St. Marys, St Marys Cement has been a major producer of cementitious materials in the Great Lakes Region. St Marys Cement participated in such landmark projects as the CN Tower, Roy Thompson Hall, Maple Leaf Gardens and the Darlington Nuclear Station, as well as countless other engineering, civic and residential projects that significantly contributed to the growth and prosperity of the region.