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Summit Materials, Inc. operates as a vertically integrated construction materials company. It operates in three segments: West, East, and Cement. The company offers aggregates, cement, ready-mix concrete, asphalt paving mixes, and concrete products, as well as plastics components. It also provides asphalt paving and related services. In addition, the company operates municipal waste, construction, and demolition debris landfills; and liquid asphalt terminals. It serves the public infrastructure, and residential and nonresidential end markets in the United States; and in British Columbia, Canada. The company was founded in 2009 and is headquartered in Denver, Colorado.