We are New York City’s largest dry dock facility, offering 24‑hour marine repair, fabrication, and maintenance services at the Brooklyn Navy Yard with exceptional workmanship and full-service shops.
? Facilities & Infrastructure
GMD operates two Panamax-class graving docks and an additional medium dock, along with a 1,080-foot wet berth. Heavy-duty cranes, including a 200-ton gantry crane, complement smaller hydraulic and gantry lifts, giving the shipyard flexibility to handle vessels of varying sizes and complexities.
? Specialized Workshops & Services
The shipyard is fully equipped with dedicated workshops for carpentry, piping, machining, electrical work, blasting, and painting. Supporting utilities include high-voltage electrical systems, steam boilers, compressed air, and fresh water—ensuring complete self-sufficiency for even the most complex repair projects.
⏱ Operational Readiness
Operating 24/7, GMD is strategically located in the Port of New York & New Jersey, allowing rapid response to urgent maritime needs. This round-the-clock availability makes it a reliable choice for emergency repairs and quick turnaround drydockings.
⛴ Range of Services
From planned maintenance and vessel overhauls to full conversions and emergency repair work, GMD covers the entire spectrum of maritime needs. Its skilled workforce consistently delivers high-quality results while prioritizing safety and environmental standards.
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