Graymont is a global leader in lime and limestone solutions. Our products are essential in addressing todays most pressing environmental issues while supporting vital industrial processes and agricultural needs. Uses for our products include the purification of air and water, and the production of items essential to a modern economy such as steel, paper, and metals. Headquartered in Canada, Graymont serves markets throughout North America and Asia-Pacific. Graymont is also the strategic partner of Mexican-based Grupo Calidra, the largest lime producer in Latin America.