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 off-shore 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.
- Barges, building and repairing
- Cargo vessels, building and repairing
- Combat ships, building and repairing
- Crew boats, building and repairing
- Dredges, building and repairing
- Drilling and production platforms, floating, oil and gas
- Drydocks, floating
- Ferryboats, building and repairing
- Fireboats, building and repairing
- Fishing vessels, large: seiners and trawlers-building and repairing
- Hydrofoil vessels
- Landing ships, building and repairing
- Lighters, marine: building and repairing
- Lighthouse tenders, building and repairing
- Marine rigging
- Naval ships, building and repairing
- Offshore supply boats, building and repairing
- Passenger-cargo vessels, building and repairing
- Patrol boats, building and repairing
- Radar towers, floating
- Sailing vessels, commercial: building and repairing
- Scows, building and repairing
- Seiners, building and repairing
- Shipbuilding and repairing
- Submarine tenders, building and repairing
- Tankers (ships), building and repairing
- Tenders (ships), building and repairing
- Towboats, building and repairing
- Transport vessels, passenger and troop: building and repairing
- Trawlers, building and repairing
- Tugboats, building and repairing