Establishments primarily engaged in furnishing building cleaning and maintenance services, not elsewhere classified, such as window cleaning, janitorial service, floor waxing, and office cleaning. General contractors and special trade contractors primarily engaged in building repair work are classified in Division C, Construction.

• Acoustical tile cleaning service
• Building cleaning service, interior
• Chimney cleaning service
• Custodians of schools on a contract or fee basis
• Floor waxing service
• Housekeeping (cleaning service) on a contract or fee basis
• Janitorial services on a contract or fee basis
• Lighting maintenance service (bulb replacement and cleaning)
• Maid service on a contract or fee basis
• Maintenance, building: except repairs
• Office cleaning service
• Service station cleaning and degreasing service
• Telephone booths, cleaning and maintenance of
• Venetian blind cleaning, including work done on owners'premises
• Window cleaning service