This industry comprises establishments primarily engaged in cleaning building interiors, interiors of transportation equipment (e.g., aircraft, rail cars, ships), and/or windows.
Cross-References. Establishments primarily engaged in--
Cleaning building exteriors (except sandblasting and window cleaning) or chimneys--are classified in Industry 561790, Other Services to Buildings and Dwellings; andSandblasting building exteriors--are classified in Industry 238990, All Other Specialty Trade Contractors.