Variant of NAICS 1997 - Goods and services
- 5413 - Architectural, Engineering and Related Services
- 54131 - Architectural Services
- 541310 - Architectural Services
- 54132 - Landscape Architectural Services
- 541320 - Landscape Architectural Services
- 54133 - Engineering Services
- 541330 - Engineering Services
- 54134 - Drafting Services
- 541340 - Drafting Services
- 54135 - Building Inspection Services
- 541350 - Building Inspection Services
- 54136 - Geophysical Surveying and Mapping Services
- 541360 - Geophysical Surveying and Mapping Services
- 54137 - Surveying and Mapping (except Geophysical) Services
- 541370 - Surveying and Mapping (except Geophysical) Services
- 54138 - Testing Laboratories
- 541380 - Testing Laboratories
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