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Who We Are

CRH Canada Group Inc. is one of the country's largest vertically integrated building materials and construction companies. With 3,000 employees, we manufacture cement, aggregates and ready-mix concrete and provide construction services to many of Canada's largest infrastructure projects. Our business divisions include Dufferin Construction, Dufferin Aggregates and Dufferin Concrete in Ontario and Demix Béton, Demix Agrégats and Demix Construction in Quebec.

We are a member of CRH plc, a global building materials company with a proud and successful history, a strong track record of performance and a clear commitment to safety and ethical business practices. The company employs over 90,000 people in 37 countries around the world.

CRH Canada Group Inc. began operating in Canada as St. Lawrence Cement with the commissioning of a cement plant near Quebec City. Since then, through ongoing capital investment and strategic acquisitions such as Dufferin Construction Company (1961), De-Mix (1965), H. Boehmers (1973), and TCG Asphalt & Construction (2001), the company has grown into one of the largest vertically integrated building materials and construction companies in Canada. In 2009, St. Lawrence Cement became Holcim (Canada) Inc. On August 1, 2015 Holcim (Canada) Inc. became CRH Canada Group Inc., introducing the parent company name in Canada.

For more information about CRH Canada Group Inc. please visit our website at