St Marys Cement is committed to serving the needs of our customers by providing products and services that exceed requirements. The products that we supply to the construction industry are manufactured not only to exceed ASTM and CSA product standards, but manufactured to meticulous international standards. ​

Through continuous improvement, St Marys Cement has implemented an integrated management system.  Our cement is manufactured to third party certified standards and requirements according to internationally renowned and accepted standards such as ISO 9001 (quality management), ISO 14001 (environmental management), OHSAS 18001 (occupational health and safety management).

St Marys Bowmanville Cement Plant is the first in North America to win an International Energy Excellence Award.

St Marys Cement’s facility located in Bowmanville, Ontario, Canada, has secured the ISO 50001 certification from the International Organization for Standardization (ISO) on 15 November 2011, becoming the first plant in North America to receive the rating.

Bowmanville ISO 50001 Certification – Nov 23, 2011