NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 336611 — Ship Building and Repairing

Ship Building and Repairing

NAICS 336611 is the national industry code for ship building and repairing establishments in the United States. The Small Business Administration sets a size standard of 1,300 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 1,300 View full SBA standard

Related industries in 33661 (Ship and Boat Building)

View parent 33661

336612

Boat Building

Official Inclusions

conversion and alteration of ships, the production of prefabricated ship sections and barge sections, and specialized services, when performed at the shipyard

Exclusions & Cross-References

Activities classified under other official NAICS codes:

manufacturing prefabricated metal ship, boat and barge sections, not at a shipyard (See 332319 Other plate work and fabricated structural product manufacturing (CAN))
ship painting, joinery, carpentry work, and electrical wiring installation (See 238 Specialty trade contractors)
ship repairs performed in floating drydocks (See 488390 Other support activities for water transportation)

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

barges, building drilling and production platforms, floating, oil and gas, building fishing boats, commercial, building hydrofoil vessels and hovercrafts, building and repairing in shipyards ship dismantling at shipyards ship repair, done in a shipyard

Complete Index of Activities (20 recognized activities) ▼

barges, building

cargo container ships, building

conversion and alteration of ships, the production of prefabricated ship sections and barge sections, and specialized services, when performed at the shipyard

dredges, scows, or seiners, building

drilling and production platforms, floating, oil and gas, building

drydock, floating, building

ferries or ferryboats, building

fireboats or patrol boats, building

fishing boats, commercial, building

hydrofoil vessels and hovercrafts, building and repairing in shipyards

naval ships or submarines, building

oil and gas well offshore drilling and production platforms, building

passenger ships, building

sailing ships, built in shipyard

ship dismantling at shipyards

ship repair, done in a shipyard

ship scaling services, done at a shipyard

shipyard

towboats or tugboats, building and repairing

yachts, built in shipyards

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/