336611  Ship Building and Repairing

This U.S. industry comprises establishments primarily engaged in
operating a shipyard. Shipyards are fixed facilities with drydocks and
fabrication equipment capable of building a ship, defined as watercraft
typically suitable or intended for other than personal or recreational
use. Activities of shipyards include the construction of ships, their
repair, conversion and alteration, the production of prefabricated ship
and barge sections, and specialized services, such as ship scaling.

The data published with NAICS code 336611 include the following
SIC industry:

3731 Ship building and repairing