Variant of NAICS 2017 Version 3.0 - Durable / non-durable manufacturing industries
- Others / autres - Non-manufacturing industries
- 22 - Utilities
- 221 - UtilitiesUS
- 2213 - Water, sewage and other systemsUS
- 22132 - Sewage treatment facilitiesUS
- 221320 - Sewage treatment facilitiesUS
- Date modified: