Summit Materials, Inc. is a prominent provider of essential construction materials and related downstream products, serving a diverse clientele across public infrastructure, residential development, and commercial construction sectors through its network of subsidiaries. The company organizes its business into three main operating divisions: West, East, and Cement. Its comprehensive product line includes aggregates, cement, ready-mix concrete, asphalt paving mixtures, various concrete goods, and plastic components. Beyond manufacturing, Summit Materials also delivers asphalt paving services and related support to both private and governmental infrastructure projects. The firm further diversifies its operations by managing landfills for municipal, construction, and demolition waste, as well as operating terminals for liquid asphalt. Established in 2009, the company is headquartered in Denver, Colorado, with an operational footprint spanning the United States and British Columbia, Canada.