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Corporate Sponsor Members of the OSBBC

St. Lawrence Cement is a leading producer and supplier of products and services to the construction industry, namely cement, concrete, aggregates, and construction. We operate in Canada and on the eastern seaboard of the United States, and employ 2,900 people.

We are part of the Holcim Group, one of the world’s leading suppliers of cement, concrete, and aggregates, with a market presence in 70 countries on all continents.The Holcim Group employs more than 45,000 people


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