Summit Materials, Inc., together with its subsidiaries, produces and sells construction materials and related downstream products. Its products include aggregates, cement, ready-mix concrete, asphalt paving mixes, and concrete products. The company also provides paving and related services to private and public infrastructure sectors. In addition, it operates municipal waste, construction, and demolition debris landfills; and liquid asphalt terminal. The company operates in the United States, British Columbia, and Canada. Summit Materials, Inc. was founded in 2009 and is headquartered in Denver, Colorado.