Mason's Masonry Supply is a premier supplier of brick, stone and masonry products located in Southern Ontario.Founded by Paul Mason, the company was incorporated in the Province of Ontario in 1966. The company moved its headquarters and offices to Mississauga, ON in 1972. A second location was constructed and opened in Richmond Hill, ON in 1987. Today the company remains a family-owned business and is one of the largest suppliers of masonry products in southern Ontario. We offer a vast selection of brick and stone for both the residential and commercial markets.