Variant of NAICS 1997 - Labour Force Survey (LFS) Industries
- 1 - Goods-Producing Sector
- 4 - Utilities
- 22 - Utilities
- 221 - Utilities
- 2213 - Water, Sewage and Other Systems
- 22132 - Sewage Treatment Facilities
- 221320 - Sewage Treatment Facilities
- Date modified: