General Info

Operational for more than 80 years, Riverdale Quarry provides a range of rock products for entrance steps and walkways. It also offers stone, asphalt and recycled products, as well as soil aggregates. The company s clients include the Smithsonian s National Museum of Natural History and National Mall. Riverdale Quarry is a part of Tilcon New York, which is an integrated material company that operates asphalt and recycling plants, water terminals and a construction division. Founded in 1981, Tilcon New York is a part of Oldcastle Materials Group, which is one of the largest companies that produces a variety of aggregate in the United States.