SUM vs USLM

Summit Materials Inc.

Summit Materials, Inc., through its subsidiaries, produces and sells construction materials and related downstream products for the public infrastructure, residential and nonresidential, and other end markets. It operates through three segments: West, East, and Cement. The company's products include aggregates, cement, ready-mix concrete, asphalt paving mixes, and concrete products, as well as plastics components. It also provides paving and related services primarily comprising asphalt paving services to the private and public infrastructure sectors. In addition, the company operates municipal waste, construction, and demolition debris landfills; and liquid asphalt terminal. Summit Materials, Inc. has operations in the United States; and British Columbia, Canada. The company was founded in 2009 and is headquartered in Denver, Colorado.

United States Lime & Minerals Inc.

United States Lime & Minerals, Inc. manufactures and supplies lime and limestone products in the United States. The company extracts limestone from open-pit quarries and an underground mine, and processes it as pulverized limestone, quicklime, hydrated lime, and lime slurry. It supplies its products primarily to the construction customers, including highway, road, and building contractors; industrial customers, such as paper and glass manufacturers; environmental customers comprising municipal sanitation and water treatment facilities, and flue gas treatment processes; steel producers; oil and gas services companies; roof shingle manufacturers; and poultry and cattle feed producers. The company also has various royalty interests and non-operating working interests with respect to oil and gas rights in natural gas wells located in Johnson County, Texas in the Barnett Shale Formation. United States Lime & Minerals, Inc. was founded in 1948 and is headquartered in Dallas, Texas.