The Italian Sea Group SpA engages in the provision of construction, design, and sales services for yachts and large ships. It operates through the Shipbuilding and NCA Refit segments. The Shipbuilding segment involves in the design and sale of custom-built luxury superyachts and ships measuring seventeen to one hundred meters in length. The NCA Refit segment includes refitting services for both its own yachts and on motor and sailing boats built by third parties. The company was founded by Costantino Giovanni in 1942 and is headquartered in Carrara, Italy.