Janitorial services
North American Industry Classification System code (NAICS): 56172
This industry comprises establishments primarily engaged in the exterior cleaning of windows or in cleaning building interiors.
561721 · Window cleaning services
This Canadian industry comprises establishments primarily engaged in the cleaning of windows. Janitorial services
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561722 · Janitorial services (except window cleaning)
This Canadian industry comprises establishments primarily engaged in cleaning building interiors, and/or transportation equipment (aircraft, ships, rail cars) interiors. Janitorial services
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