Variant of NAICS 1997 - Labour Force Survey (LFS) Industries
- 7 - Services-Producing Sector
- 11 - Professional, Scientific and Technical Services
- 54 - Professional, Scientific and Technical Services
- 541 - Professional, Scientific and Technical Services
- 5413 - Architectural, Engineering and Related Services
- 54138 - Testing Laboratories
- 541380 - Testing Laboratories
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