Variant of NAICS 2017 Version 3.0 - Labour Force
- 54 - Professional, scientific and technical services
- 541 - Professional, scientific and technical services
- 5413 - Architectural, engineering and related services
54138 - Testing laboratories
This industry comprises establishments primarily engaged in providing physical, chemical and other analytical testing services. The testing activities may occur in a laboratory or on-site.
| Code | Title |
|---|---|
| 541380Testing laboratories | Testing laboratories |
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