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
- 54137 - Surveying and Mapping (except Geophysical) Services
- 541370 - Surveying and Mapping (except Geophysical) Services
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