Graymont is a family owned company whose management team and employees are dedicated to meeting or exceeding customer needs. The company is focused on high calcium and dolomitic lime, value added lime based products such as specialty hydrates and precipitated calcium carbonates, and in the aggregate and pulverized stone business. Graymont is the third largest producer of lime in North America. In Canada, Graymont subsidiaries have operations from New Brunswick to British Columbia. In the United States, subsidiary companies operate in Ohio, Pennsylvania, Wisconsin, Washington, Oregon, Montana, Utah and Nevada while serving markets in a much wider geographic area. In addition to Graymont's lime interests, Graymont Materials, located in upstate New York and the province of Quebec, provides construction stone, sand and gravel, asphalt products and ready mix concrete for the infrastructure and general construction needs of the area.

In 2003, Graymont became a part owner of Grupo Calidra, the largest lime producer in Mexico, with nineteen production sites in Mexico and one in Honduras. Please contact Shiaw Tseng, (412)-576-3050 or stseng@graymont.com for more information.