Official definition
This Canadian industry comprises establishments primarily engaged in providing physical, chemical and other analytical testing services.
Official classification fields for this page
Official classification fields taken from the current StatCan source bundle.
| Characteristic | Description |
|---|---|
| Official title | Testing laboratories |
| Classification | NAICS Canada 2022 Version 1.0 |
| Publishing authority | Statistics Canada |
| Hierarchical level | Canadian industry |
| Parent code | 54138 - Testing laboratories |
| International correspondence | M7120* |
| Source | https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index |
| Source verification | 2026-05-05 |
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. |
Inclusions
- testing of activities in a laboratory or on-site
Exclusions
- auto emissions testing (See 811199 All other automotive repair and maintenance (CAN))
- dental laboratory, analysis and diagnostic (See 621510 Medical and diagnostic laboratories (CAN))
- performing clinical laboratory testing for the medical profession (See 621510 Medical and diagnostic laboratories (CAN))
- performing laboratory testing for the veterinary profession (See 541940 Veterinary services (US))
- pipeline aerial inspection services (See 541990 All other professional, scientific and technical services)
- pipeline and power line visual inspection services (See 541990 All other professional, scientific and technical services)
Examples
- assaying services
- automobile proving and testing ground
- calibration and certification services
- food testing laboratory
- forensic laboratories (except medical)
- hydrostatic testing laboratories
- non destructive testing services
- radiation testing services
- radiographic testing services
- seed testing laboratories
- testing laboratory (except medical or dental)
- acoustics testing services
- assaying services
- automobile proving and testing ground
- biological testing (except clinical and veterinary)
- calibration and certification services
- cannabis quality testing laboratories
- drill tool inspection, service
- electrical testing laboratory
- environmental laboratory testing services
- film badge testing services
- fire insurance underwriters' laboratories
- food testing laboratory
- forensic laboratories (except medical)
- gas pipeline testing services (except aerial)
- gemologist services
- geotechnical testing laboratory
- hydrostatic testing laboratories
- industrial testing laboratories
- laboratories, product testing
- laboratory testing service (except clinical and veterinary)
- mechanical testing, laboratories
- metallurgical testing laboratories
- non destructive testing services
- pipeline and related facilities inspection services (except visual)
- police laboratories
- pollution testing service (except automotive emissions testing)
- pressure testing lines on site, service
- product testing services
- production equipment inspection service
- radiation dosimetry laboratories
- radiation testing services
- radiographic testing services
- radon testing services
- recreational watercraft safety inspection
- seed testing laboratories
- soil testing services
- testing laboratory (except medical or dental)
- testing of activities in a laboratory or on-site
- thermal testing, laboratories
- thermography services (testing for heat loss in buildings)
- underground utility lines (e.g., telephone, cablevision, hydro), locating on contract
- vibration testing services
- welding inspection service
- X-ray inspection service
Who is this code for
This code typically applies to:
Also relevant for
assaying servicesautomobile proving and testing groundcalibration and certification servicesfood testing laboratoryforensic laboratories (except medical)
Source: STATCAN_TITLE, 2026-05-05
Classification Confidence Score
5 of 6 factors passing
8/ 10
Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-05-05)
International crosswalk — ISIC Rev. 4 mapping: M7120*
Previous edition migration — NAICS 2017 to 2022 continuity confirmed
Complete hierarchy — 5 levels confirmed in hierarchy
Size or threshold documented — SME thresholds documented in federal tax pack
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 541380
These role examples come from the official title and example wording attached to this code.
01
541380
Testing laboratories
Use this page when the business is directly described by the official title or definition for 541380 Testing laboratories. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.
02
541380
assaying services
Use this page when the activity is described in the official StatCan example wording as assaying services. Compare the definition, exclusions, and nearby codes here before attaching 541380 Testing laboratories to a business file.
03
541380
automobile proving and testing ground
Use this page when the activity is described in the official StatCan example wording as automobile proving and testing ground. Compare the definition, exclusions, and nearby codes here before attaching 541380 Testing laboratories to a business file.
04
541380
calibration and certification services
Use this page when the activity is described in the official StatCan example wording as calibration and certification services. Compare the definition, exclusions, and nearby codes here before attaching 541380 Testing laboratories to a business file.
Business categories in this branch
A rotating set of business activity examples linked to this part of the Canadian hierarchy.
In this section
- 541380Testing laboratories
Commonly confused with
811199 — All other automotive repair and maintenance
auto emissions testing (See 811199 All other automotive repair and maintenance (CAN))
621510 — Medical and diagnostic laboratories
dental laboratory, analysis and diagnostic (See 621510 Medical and diagnostic laboratories (CAN))
541940 — Veterinary services
performing laboratory testing for the veterinary profession (See 541940 Veterinary services (US))
541990 — All other professional, scientific and technical services
pipeline aerial inspection services (See 541990 All other professional, scientific and technical se...
ISIC Rev. 4 correspondence
M7120*Technical testing and analysis
Approximate correspondence
Testing laboratories
US NAICS reference541380 - Testing Laboratories and Services
Source row
541380Testing laboratories
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 541380 cover?
Testing laboratories: This Canadian industry comprises establishments primarily engaged in providing physical, chemical and other analytical testing services.
Which level of the hierarchy is 541380?
It is a canadian industry page in the NAICS Canada 2026 hierarchy.
What is the parent of 541380?
It rolls up to 54138 Testing laboratories.
Should I stop at 541380 or go lower?
This page already points to the exact six-digit Canadian industry in the current site structure.
Are official inclusion notes attached to 541380?
Yes. 1 inclusion note(s) are attached on this page.
Are there exclusion notes for 541380?
Yes. 6 exclusion note(s) help separate this page from nearby codes.
Does 541380 include illustrative examples?
Yes. 55 example row(s) are available for boundary checking.
What kinds of businesses often start from this page?
Examples in this branch include Research work, Legal advisory, Design services, Accounting support, Software consulting.
Is there an ISIC mapping for 541380?
Yes. The page shows M7120* Technical testing and analysis.
Does this page show a US NAICS reference?
Yes. A same-code US reference is attached: Testing Laboratories and Services.
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.