About Stonework (i.e., masonry) contractors

This category covers special trade contractors primarily engaged in masonry work, stone setting, and other stone work. Special trade contractors primarily engaged in concrete work are classified in SIC 1771: Concrete Work; those engaged in digging foundations are classified in SIC 1794: Excavation Work; and those engaged in the construction of streets, highways, and alleys are classified in SIC 1611: Highway and Street Construction, Except Elevated Highways.

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