Founded in 2009, Summit Materials is a leading construction materials company in the United States. The company has its headquarters in Denver, Colorado. Summit Materials produces a wide range of construction materials, including aggregates, cement, ready-mix concrete, and asphalt.

These materials are used in various construction projects, such as residential, commercial, and infrastructure development. The company operates through its subsidiaries, which include Kilgore Companies, Westroc, and Continental Cement Company, among others. On a global scale, Summit Materials primarily operates in the United States, but it also has a presence in Canada.

In 2017, the company expanded its operations in British Columbia, Canada, through the acquisition of Mainland Sand and Gravel. This acquisition strengthened Summit's position in Western Canada's construction materials market. Summit Materials holds a strong market position as one of the largest suppliers of construction materials in the United States.

The company competes with other major players in the industry, such as Vulcan Materials and Martin Marietta Materials. In terms of global sales, Summit Materials reported net revenue of $2. 118 billion in 2020.

Over the years, Summit Materials has achieved significant growth and success. In 2015, the company went public and became listed on the New York Stock Exchange. This move allowed Summit Materials to raise capital and expand its operations further.

In 2018, the company was named one of Fortune's World's Most Admired Companies in the construction and engineering sector. As of the latest available information, Summit Materials continues to operate as a leading construction materials company in the United States. The company remains committed to providing high-quality products and services to its customers.

However, there is no recent information regarding any major events, achievements, or changes in the company's strategy or product lineup