CA NAICS Canada 2026 Bilingual classifier directory
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Industry group

3328 Coating, engraving, cold and heat treating and allied activities

Revêtement, gravure, traitement thermique et par le froid, et activités analogues

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33281 1 Canadian industries
Industry
Coating, engraving, cold and heat treating and allied activities

This industry comprises establishments primarily engaged in coating, engraving, heat treating and similarly processing metal.

Canadian industries 1
Canadian industries 1
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Official definition

This industry group comprises establishments primarily engaged in coating, engraving, heat treating and similarly processing metal. These activities often involve heating the metal, and the purpose is often to harden it. In general, the hardening of metal is included. Other activities of this industry group include tempering, brazing, plating (including electroplating and re-chroming), polishing, sand-blasting and colouring metal and metal products. Establishments that perform these processes on other materials, such as plastics, in addition to metals, as well as establishments primarily engaged in plating with precious metal for the trade are included.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleCoating, engraving, cold and heat treating and allied activities
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelIndustry group
Parent code332 - Fabricated metal product manufacturing
International correspondenceISIC Rev. 4; harmonized with US and Mexico NAICS at higher levels.
Sourcehttps://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index
Source verification2026-05-05
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 authorityCanada Revenue Agency (CRA)
Business identifierBusiness 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 requirementsBusiness Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34
Sector authorityNo 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 — 3 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
How we calculate this score →
Business Profiles

When you might need code 3328

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

01 3328
Packaging line coordinator

Use this page when the file covers labeling, filling, sealing, palletizing, and contract packing. It helps confirm whether 3328 Coating, engraving, cold and heat treating and allied activities is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 3328
Metal fabrication estimator

Use this page when the file covers custom metal jobs, fabrication quotes, welding loads, and shop planning. It helps confirm whether 3328 Coating, engraving, cold and heat treating and allied activities is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 3328
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 3328 Coating, engraving, cold and heat treating and allied activities is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 3328
Plastics extrusion supervisor

Use this page when the file covers extrusion runs, resin changeovers, tooling setups, and output scheduling. It helps confirm whether 3328 Coating, engraving, cold and heat treating and allied activities 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.

Wood productsConsumer goodsFood processingMetal fabrication

In this section

Previous3327Machine shops, turned product, and screw, nut and bolt manufacturingNext3329Other fabricated metal product manufacturing

Source row

3328Coating, engraving, cold and heat treating and allied activities

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 3328 cover?

Coating, engraving, cold and heat treating and allied activities: This industry group comprises establishments primarily engaged in coating, engraving, heat treating and similarly processing metal. These activities often involve heating the metal, and the purpose is often to harden it. In general, the hardening of metal is...

Which level of the hierarchy is 3328?

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

What is the parent of 3328?

It rolls up to 332 Fabricated metal product manufacturing.

Should I stop at 3328 or go lower?

1 lower-level item(s) sit under this branch: Coating, engraving, cold and heat treating and allied activities.

Are official inclusion notes attached to 3328?

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

Are there exclusion notes for 3328?

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

Does 3328 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.

Is there an ISIC mapping for 3328?

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.