High Grade Materials Company provides ready-mix concrete, sand and gravel and concrete products. It offers limestone, landscape stones, cement and road gravel, mortar and fill sand, and crushed concrete. The company offers products that are used in residential, commercial and municipal projects in Michigan. Its clients include individual homeowners, contractors, engineers and architects. High Grade Materials Company also provides consulting and technical support services to clients. The company additionally provides online articles on a range of topics from concrete experts. High Grade Materials Company has a location in Greenville, Mich.