North American Industry Classification System (NAICS) 1997

North American Industry Classification System (NAICS) 1997
Introduction

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.

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North American Industry Classification System (NAICS) 1997 - Classification structure
Code Canadian industry
541380Testing Laboratories Testing Laboratories
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