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
• 56179 - Other services to buildings and dwellings

561791 - Duct and chimney cleaning services^CAN

This Canadian industry comprises establishments primarily engaged in providing duct and furnace cleaning services, and chimney cleaning services.

All examples