Company Profile

CBM Aggregates is a leading supplier of stone, sand and gravel used to support new construction, modernization and infrastructure development and improvements vital to the economic health, well-being and growth of Ontario.

CBM Aggregates safely operates nearly 60 pits and quarries in Ontario. As part of St Marys Cement Inc. (Canada), founded in 1912, CBM has a long history of working closely with communities to minimize the influence of our operations, manage environmental effects and maximize our positive contribution to the communities in which we operate. CBM also supplies ready-mixed concrete for major projects and award-winning structures, including CN tower.

Canada Building Materials (CBM) and St Marys Cement Inc. (Canada) are part of the North American operations of international building materials supplier, Votorantim Cimentos. More information can be found at