Since 1952, Harmony Sand & Gravel Inc. has been catering the needs of numerous ready-mix concrete operations, black-top plants, sewage and drainage contractors and the roofing and landscape industries, as well as various other industries. The firm s products serves range of applications, such as round roofing, landscape products and construction aggregates. Based in Phillipsburg, N.J., it is one of the North Jersey's leading aggregate producers and suppliers of Delaware River Stone. In addition to construction and roofing aggregates, the firm offers landscape material, selling both to wholesale and retail accounts.
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