2022 NAICS industry in sector 31-33 Manufacturing
33661 Ship and Boat Building
NAICS 33661 is the US industry code for ship and boat building. It covers establishments primarily engaged in operating shipyards or boat yards (i.e., ship or boat manufacturing facilities).
Official definition
This industry comprises establishments primarily engaged in operating shipyards or boat yards (i.e., ship or boat manufacturing facilities). 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. Boats are defined as watercraft typically suitable or intended for personal use. Activities of shipyards include the construction of ships, their repair, conversion and alteration, production of prefabricated ship and barge sections, and specialized services, such as ship scaling.
Examples Census gives
- Barge building
- Boat yards (i.e., boat manufacturing facilities)
- Cargo ship building
- Drilling and production platforms, floating, oil and gas, building
- Passenger ship building
- Inflatable plastic boats, heavy-duty, manufacturing
- Inflatable rubber boats, heavy-duty, manufacturing
- Rigid inflatable boats (RIBs) manufacturing
- Boats (e.g., motorboats, rowboats, canoes, kayaks) manufacturing
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing inflatable rubber swimming pool rafts and similar flotation devices are classified in Industry 32629, Other Rubber Product Manufacturing.
- Manufacturing inflatable plastic swimming pool rafts and similar flotation devices are classified in Industry 32619, Other Plastics Product Manufacturing.
- Fabricating structural assemblies or components for ships, or subcontractors engaged in ship painting, joinery, carpentry work, and electrical wiring installation are classified based on the production process used.
- Ship repairs performed in floating drydocks are classified in Industry 48839, Other Support Activities for Water Transportation.
Codes in 33661
Data last changed November 14, 2026. How this page is built.