3731  Ship Building and Repairing

Establishments primarily engaged in building and repairing ships, barges,
and lighters, whether self-propelled or towed by other craft.  This
industry also includes the conversion and alteration of ships and the
manufacture of offshore oil and gas well drilling and production platforms
(whether or not self-propelled). Establishments primarily engaged in
fabricating structural assemblies or components for ships, or
subcontractors engaged in ship painting, joinery, carpentry work, and
electrical wiring installation, are classified in other industries.