Martin Marietta Materials

Martin Marietta Materials, Inc. is a leading producer of construction aggregates in the U.S., supplying granite, sandstone, limestone, sand and gravel for a wide range of infrastructure, commercial and residential applications. The company is also a leading producer of magnesia products.

Martin Marietta Aggregates, located in Westminster, CO, specializes in ready-mixed concrete and construction aggregates. American-owned and operated, we work with residential, commercial and industrial customers to meet their various needs. Martin Marietta Aggregates is fully insured, licensed and bonded company. Our products and services include:- Cement- Stone- Asphalt patching - Gravel-...