Summit Materials is a leading construction materials company that supplies aggregates, cement, ready-mixed concrete and asphalt paving mix. Combining vertical integration with an interdependent company structure, we provide increased efficiencies and economies of scale while empowering operating companies to make local, well-informed decisions. By teaming up with established local businesses, we are committed to creating value, providing access to growth capital, implementing best practices and offering a safe place to work while striving to exceed our environmental and social responsibilities.Formed in 2009, Summit Materials currently has 12 platform companies in 21 states and British Columbia, Canada. Under CEO Anne Noonan, Summit Materials continues to drive growth and productivity across our operating companies, delivering shareholder value. Further information is available at www.summit-materials.com.