Variant of NAICS 2017 Version 3.0 - Durable / non-durable manufacturing industries
- Others / autres - Non-manufacturing industries
- 23 - Construction
- 237 - Heavy and civil engineering construction
- 2371 - Utility system construction
- 23711 - Water and sewer line and related structures construction
- 237110 - Water and sewer line and related structures constructionUS
- Date modified: