Rosenfeld Concrete Corp operates the Metrowest concrete plant for Boston Sand & Gravel. Boston Sand & Gravel Company has been a leader in the Ready Mixed Concrete and Aggregate Industry throughout New England since its establishment in 1914. The company provides products and service to the most demanding construction projects throughout the region, including the Central Artery/Tunnel project, waste water treatment plants, nuclear power plants, high-rise buildings, and slurry wall construction. With a fleet of more than 250 mixer trucks, Boston Sand & Gravel has the flexibility to service jobs of any size. The company s network of plants has enabled it to produce concrete at required capacities for mass pours. The shipping and service departments have coordinated truck dispatch, arrival, and discharge under the most difficult job conditions. Boston Sand & Gravel has plants in southeastern Massachusetts (Southeastern Concrete), Metrowest (Rosenfeld Concrete Corp.) and Cape Cod (Lawrence Ready Mix), the company supplies concrete to home builders, developers and contractors throughout eastern Massachusetts. The company operates a large sand and gravel facility in Ossipee, N.H. on a 3,000 acre reserve tract. The material is delivered to Boston via New Hampshire Northcoast Railroad (a Boston Sand & Gravel subsidiary), a short-line railroad, and Guilford Transportation's main line. Rosenfeld Concrete is located in Hopedale, Mass.