National Service Contractors

National Service Contractors is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• General Contractors & Building Contractors
• Janitorial Services

North American Industry Classification System (NAICS) Categories:

• New Single-Family Housing Construction (Except Operative Builders) > Contractors, General
• Janitorial Services > Janitorial Services By Name

Standard Industry Classification (SIC) Categories:

• General Contractors - Single-Family Houses > General Contractors - Residential
• Building Cleaning & Maintenance Services, Nec > Janitorial Services