Summit Materials, Inc. is a leading construction materials company based in the United States. With a high-risk rating score of 34.8, Summit Materials specializes in producing and selling aggregates, cement, ready-mix concrete, and asphalt paving mix. The company also provides paving and related services. Operating in 21 U.S. states and British Columbia, Canada, Summit Materials owns and operates quarries, cement plants, distribution terminals, and various other facilities. With a focus on ESG principles, Summit Materials is committed to environmental sustainability and governance practices.