Summit Materials

Argos USA is a manufacturer of cement and ready-mixed concrete, serving the construction industry with a diverse range of products. The company provides bulk and packed cement, along with various concrete mixes designed for residential, commercial, and infrastructure projects. By prioritizing high levels of customer service, Argos USA positions itself as a crucial partner for clients in both public works and private sector applications. Their commitment to innovation and expertise further enhances their offerings, making them a key player in the market.

Razorback Concrete is a manufacturer specializing in cement aggregates and ready-mix products for the construction industry. It operates the largest ready-mixed concrete operations in central and northeastern Arkansas, supported by a comprehensive aggregate production and distribution network that includes active ready-mix plants. The company offers a range of products, including concrete, pea gravels, manufactured and masonry sand, as well as various asphalt fractions. Razorback's strategic location near a cement distribution terminal in Memphis aligns with its long-term growth objectives, particularly as the Arkansas market is expected to experience increased construction activity driven by positive employment trends and rising public infrastructure investment.

Everist Materials is the largest supplier of aggregate, asphalt, and concrete materials in the northwestern Colorado Rocky Mountain region. The company produces and supplies a range of construction-related products, including ready-mix concrete, cement, and asphalt. With a focus on quality, Everist Materials serves various construction needs in the area, contributing to the local infrastructure and development projects.

Sierra Ready Mix, LLC is a manufacturer and supplier of ready mix concrete located in Las Vegas, Nevada. Established in 1994, the company serves a diverse range of clients, including masons, concrete house slab contractors, commercial concrete tilt-up contractors, and projects for state and federal entities. Sierra Ready Mix provides essential materials for concrete production, including aggregates, which form 60% to 75% of concrete mixtures, as well as cement paste, a combination of cement, water, and potentially fly ash. The company operates as a subsidiary of Summit Materials, Inc.

American Materials Company, LLC is a prominent manufacturer and supplier of sand and gravel in North and South Carolina, with its headquarters in Wilmington, North Carolina. Established in 1999, the company has grown to become the largest independent producer of these materials in Eastern North Carolina and Northeastern South Carolina. Its product offerings include various types of sand—such as mortar, asphalt, concrete, and golf course sand—as well as gravel, soil, granite, and limestone. In addition to manufacturing, American Materials provides aggregates hauling, trucking, recycling, and crushing services. The company is committed to maintaining high standards of quality, service, and safety, with a team that boasts extensive experience in the aggregates industry. Since becoming a subsidiary of Summit Materials in 2016, American Materials has focused on being a reliable supplier in the construction sector, ensuring competitive pricing while adhering to industry specifications.

Alleyton Resource is a company that was acquired by Summit Materials in 2014.

Westroc, Inc. specializes in the manufacturing of ready-mix concrete and aggregate products, serving both residential and commercial projects. The company primarily operates in Utah County, South Salt Lake County, Juab County, Sanpete County, and Sevier County in Utah. In addition to concrete and aggregates, Westroc offers used construction equipment and dump trucks, enhancing its product range for clients in the construction industry.

Ramming Paving Company Ltd is an integrated construction materials company and is one of the largest independent aggregate and asphalt producers serving the greater Austin and San Antonio, Texas markets.