Summit Materials, Inc. is a construction materials company. It manufactures construction materials and related downstream products. The firm operates its business through the following segments: Cement, West and East. The Cement consists of its Hannibal, Missouri and Davenport, Iowa cement plants and distribution terminals along the Mississippi river from Minnesota to Louisiana. The West segment includes operations in Texas, Utah, Colorado, Idaho, Wyoming and Nevada and in British Columbia, Canada. The East segments serves markets extending across the Midwestern and Eastern United States, most notably in Kansas, Missouri, Virginia, Kentucky, North Carolina, South Carolina and Nebraska where the company supplies aggregates, ready mix concrete, asphalt paving mix and paving and related services. The company was founded by Thomas W. Hill on September 23, 2014 and is headquartered in Denver, CO.