This industry comprises establishments primarily engaged in operating a shipyard or manufacturing boats. Shipyards are fixed facilities with dry docks and fabrication equipment capable of building a ship, defined as water-craft suitable or intended for other than personal or recreational use. Boats are defined as water-craft suitable or intended for personal or recreational use. The activities of shipyards include the construction of ships, their repair, conversion and alteration, the production of prefabricated ship sections and barge sections, and specialized services, such as ship scaling, when performed at the shipyard.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic	Description
Official title	Ship and boat building
Classification	NAICS Canada 2022 Version 1.0
Publishing authority	Statistics Canada
Hierarchical level	Industry
Parent code	3366 - Ship and boat building
International correspondence	ISIC Rev. 4; harmonized with US and Mexico NAICS at higher levels.
Source	https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index
Source verification	2026-07-17

Canada Business Context

Canada-wide tax and filing context

Canada-wide business, tax, and filing context from the local country pack and tax pack.

Characteristic	Description
Tax authority	Canada Revenue Agency (CRA)
Business identifier	Business Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax.
Filing requirements	Business Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34
Sector authority	No cluster authority recorded in the local country pack.

Exclusions

manufacturing prefabricated metal ship, boat and barge sections, not at a shipyard or boat yard (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)

Classification Confidence Score

3 of 5 factors passing

6/ 10

Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-07-17)

International crosswalk — No international correspondence found

Previous edition migration — NAICS 2017 to 2022 continuity confirmed

Complete hierarchy — 4 levels confirmed in hierarchy

Size or threshold documented — Not applicable for hub levels

Trade or export match — No direct HS code correspondence in current bundle

Legacy crosswalk — Legacy system (SIC 1980) retired in this region

Business Profiles

When you might need code 33661

Professions specific to this sector are linked to this part of the Canadian classifier so the page speaks to real work teams.

01 33661

Packaging line coordinator

Use this page when the file covers labeling, filling, sealing, palletizing, and contract packing. It helps confirm whether 33661 Ship and boat building is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 33661

Metal fabrication estimator

Use this page when the file covers custom metal jobs, fabrication quotes, welding loads, and shop planning. It helps confirm whether 33661 Ship and boat building is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 33661

Food plant production manager

Use this page when the file covers food processing lines, packaging shifts, quality holds, and plant throughput. It helps confirm whether 33661 Ship and boat building is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 33661

Plastics extrusion supervisor

Use this page when the file covers extrusion runs, resin changeovers, tooling setups, and output scheduling. It helps confirm whether 33661 Ship and boat building is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

Business Map

Business categories in this branch

A rotating set of business activity examples linked to this part of the Canadian hierarchy.

In this section

33661Ship and boat building

Commonly confused with

332319 — Other plate work and fabricated structural product manufacturing

manufacturing prefabricated metal ship, boat and barge sections, not at a shipyard or boat yard (Se...

238 — Specialty trade contractors

ship painting, joinery, carpentry work, and electrical wiring installation (See 238 Specialty trade...

488390 — Other support activities for water transportation

ship repairs performed in floating drydocks (See 488390 Other support activities for water transpor...

Source row

33661Ship and boat building

This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.

Frequently asked questions

What does code 33661 cover?

Ship and boat building: This industry comprises establishments primarily engaged in operating a shipyard or manufacturing boats. Shipyards are fixed facilities with dry docks and fabrication equipment capable of building a ship, defined as water-craft suitable or intended for other...

Which level of the hierarchy is 33661?

It is a industry page in the NAICS Canada 2026 hierarchy.

What is the parent of 33661?

It rolls up to 3366 Ship and boat building.

Should I stop at 33661 or go lower?

2 lower-level item(s) sit under this branch: Ship building and repairing, Boat building.

Are official inclusion notes attached to 33661?

No inclusion rows are attached to this page in the local elements file.

Are there exclusion notes for 33661?

Yes. 3 exclusion note(s) help separate this page from nearby codes.

Does 33661 include illustrative examples?

No example rows are attached on this page in the local elements file.

What kinds of businesses often start from this page?

Examples in this branch include Boat building, Wood products, Consumer goods, Food processing, Metal fabrication, Machinery assembly.

Is there an ISIC mapping for 33661?

No ISIC correspondence row is attached to this page.

Does this page show a US NAICS reference?

No same-code US NAICS reference row is attached on this page.

Why are both English and French titles shown?

NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.

Where does the page text come from?

From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.