Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Energy sector
- Non E - Industries not included in the energy sector
- 56 - Administrative and support, waste management and remediation services
- 561 - Administrative and support services
- 5617 - Services to buildings and dwellings
- 56172 - Janitorial services
- 561721 - Window cleaning servicesCAN
- 561722 - Janitorial services (except window cleaning)CAN
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