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Statistical classifications
North American Industry Classification System (NAICS) 2007
North American Industry Classification System (NAICS) 2007
Introduction
North American Industry Classification System (NAICS) 2007
Introduction
54 - Professional, Scientific and Technical Services
541 - Professional, Scientific and Technical Services
5413 - Architectural, Engineering and Related Services
54138 - Testing Laboratories
541380 - Testing Laboratories
54 - Professional, Scientific and Technical Services
541 - Professional, Scientific and Technical Services
5413 - Architectural, Engineering and Related Services
54138 - Testing Laboratories
541380 - Testing Laboratories
Date modified:
2019-08-15
