Industry

23621 Industrial building and structure construction

Construction de bâtiments et de structures à usage industriel

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236210 0 Canadian industries

Canadian industry

Industrial building and structure construction

This Canadian industry comprises establishments primarily engaged in the construction (also new work, additions and major alterations) of i...

Canadian industries 0

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Official definition

This industry comprises establishments primarily engaged in the construction (including new work, additions and major alterations) of industrial buildings (except warehouses). The construction of selected additional structures, whose production processes are similar to those for industrial buildings (e.g., incinerators, cement plants, blast furnaces, and similar non-building structures), is included in this industry. Included in this industry are industrial building general contractors, industrial building operative builders, industry building design-build firms, and industrial building construction management firms.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic	Description
Official title	Industrial building and structure construction
Classification	NAICS Canada 2022 Version 1.0
Publishing authority	Statistics Canada
Hierarchical level	Industry
Parent code	2362 - Non-residential building construction
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	2026-08-13

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	Provincial workers' compensation boards and provincial trades certification bodies

Classification Confidence Score

3 of 5 factors passing

6/ 10

Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-08-13)

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 23621

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

01 23621

General contractor

Use this page when the file covers multi-trade builds, bid packages, subcontract sequencing, and site delivery. It helps confirm whether 23621 Industrial building and structure construction is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 23621

Roofing project manager

Use this page when the file covers roofing crews, membrane installs, retrofit jobs, and envelope repairs. It helps confirm whether 23621 Industrial building and structure construction is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 23621

Concrete forming foreman

Use this page when the file covers foundations, formwork, pours, reinforcing schedules, and finishing crews. It helps confirm whether 23621 Industrial building and structure construction is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 23621

Electrical subcontractor

Use this page when the file covers electrical installs, panel work, commercial fit-outs, and service connections. It helps confirm whether 23621 Industrial building and structure construction 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

23621Industrial building and structure construction
23622Commercial and institutional building construction

Source row

23621Industrial building and structure construction

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 23621 cover?

Industrial building and structure construction: This industry comprises establishments primarily engaged in the construction (including new work, additions and major alterations) of industrial buildings (except warehouses). The construction of selected additional structures, whose production processes are...

Which level of the hierarchy is 23621?

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

What is the parent of 23621?

It rolls up to 2362 Non-residential building construction.

Should I stop at 23621 or go lower?

1 lower-level item(s) sit under this branch: Industrial building and structure construction.

Are official inclusion notes attached to 23621?

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

Are there exclusion notes for 23621?

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

Does 23621 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 Civil works, Building trades, Renovation crews, Site preparation.

Is there an ISIC mapping for 23621?

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.