First Class Cleaning is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• House & Apartment Cleaning
• House Cleaning

North American Industry Classification System (NAICS) Categories:

• Janitorial Services > House Cleaning Services
• Other Services To Buildings And Dwellings > House Cleaning Services

Standard Industry Classification (SIC) Categories:

• Building Cleaning & Maintenance Services, Nec > House Cleaning Services