Roy Rock LLC, 150 N Park St, East Orange, NJ 07017, US

Kiewit Constructors is a leading self-performing heavy construction contractor. The company builds projects in the Northeast and Great Lakes regions of the United States. Its work includes tunneling, bridges, reservoirs, foundations, mass transit stations and marine work. The company specializes in cast-in-place concrete, post-tensioned concrete, structural steel erection, demolition, earthwork, pile driving, caissons and mechanical erection. With projects ranging from $5 million to $200 million, the company works on complicated heavy/civil projects that require in-depth planning, scheduling and engineering. Kiewit Constructors says that its mixture of experienced personnel, in-depth market knowledge and equipment allows it to handle projects of any size. Kiewit Constructors has a location in Park Ridge, N.J.

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