This industry comprises establishments primarily engaged in fabricating plate work and structural products by cutting, punching, bending, shaping and welding purchased steel plate.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic	Description
Official title	Plate work and fabricated structural product manufacturing
Classification	NAICS Canada 2022 Version 1.0
Publishing authority	Statistics Canada
Hierarchical level	Industry
Parent code	3323 - Architectural and structural metals manufacturing
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	2026-05-05

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.

Classification Confidence Score

3 of 5 factors passing

6/ 10

Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-05-05)

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 33231

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

01 33231

Packaging line coordinator

Use this page when the file covers labeling, filling, sealing, palletizing, and contract packing. It helps confirm whether 33231 Plate work and fabricated structural product manufacturing is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 33231

Metal fabrication estimator

Use this page when the file covers custom metal jobs, fabrication quotes, welding loads, and shop planning. It helps confirm whether 33231 Plate work and fabricated structural product manufacturing is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 33231

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 33231 Plate work and fabricated structural product manufacturing is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 33231

Plastics extrusion supervisor

Use this page when the file covers extrusion runs, resin changeovers, tooling setups, and output scheduling. It helps confirm whether 33231 Plate work and fabricated structural product manufacturing 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

33231Plate work and fabricated structural product manufacturing
33232Ornamental and architectural metal product manufacturing

Source row

33231Plate work and fabricated structural product manufacturing

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 33231 cover?

Plate work and fabricated structural product manufacturing: This industry comprises establishments primarily engaged in fabricating plate work and structural products by cutting, punching, bending, shaping and welding purchased steel plate.

Which level of the hierarchy is 33231?

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

What is the parent of 33231?

It rolls up to 3323 Architectural and structural metals manufacturing.

Should I stop at 33231 or go lower?

3 lower-level item(s) sit under this branch: Prefabricated metal building and component manufacturing, Concrete reinforcing bar manufacturing, Other plate work and fabricated structural product manufacturing.

Are official inclusion notes attached to 33231?

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

Are there exclusion notes for 33231?

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

Does 33231 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 Wood products, Consumer goods, Food processing, Metal fabrication, Machinery assembly, Chemical production.

Is there an ISIC mapping for 33231?

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.