Variant of NAICS 1997 - Goods and services
- 41-91 - Services
- 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.
|541380Testing Laboratories||Testing Laboratories|