Founded in 1948, Graymont is a private enterprise headquartered in Richmond, British Columbia, and serves customers from a network of close to 20 locations spanning the United States and Canada and 4 locations in New Zealand.

Graymonts Lime operations are focused on the production of high calcium and dolomitic lime and value-added lime-based products such as hydrated lime and precipitated calcium carbonate as well as pulverized limestone and construction stone. The Company also includes construction-materials operations, the Materials Group.