• Rebar Cage Lifting & Handling

    Featured Service: Rebar Cage Lifting & Handling New York, NY

  • ABC Bridge Replacement

    Featured Service: ABC Bridge Replacement Marion Avenue, Southington, CT

  • Featured Project: "New" Tappan Zee
    Bridge
    New York

  • Bayonne  Bridge

    Featured Project: Bayonne
    Bridge
    New York

  • George  Washington  Bus  Station

    Featured Project: George
    Washington
    Bus Station
    New York

Professional. Capable. Dedicated.

The Premier Construction Engineering Firm in the NYC-Metro Area and beyond that delivers quality work, on time, at a reasonable cost. Siefert Associates is licensed in CA, CT, DE, FL, IN, MA, MD, NE, NJ, NY, PA, VT & WA.

Siefert Associates Competitive Advantage

On Time Delivery. Experience. Execution.

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