Graymont, supplier of lime and limestone products, has completed the transaction to sell its New York Materials business to Upstone Materials Inc.

The New York Materials business is focussed on providing construction stone, sand and gravel, asphalt products and ready-mix concrete to meet infrastructure and general construction needs in the region

Graymont serves major markets throughout the United States and Canada, and has extended its reach into the Asia-Pacific region. Graymont also has a significant investment in Grupo Calidra, the largest lime producer in Mexico.

Upstone Materials Inc is a member of the Barrett Industries Group, which is comprised of a number of subsidiary companies that provide diverse solutions to customers in the paving, aggregates and construction businesses.

Barrett Industries is a subsidiary of Colas USA, the worldwide leader in transportation infrastructure construction and maintenance.