Switchboard

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

• Radio Broadcasting Consultants
• Telephones Directories & Guides

North American Industry Classification System (NAICS) Categories:

• Other Scientific And Technical Consulting Services > Communications Consultants > Radio Broadcasting Consultants
• Advertising Material Distribution Services

Standard Industry Classification (SIC) Categories:

• Advertising, Nec
• Business Consulting Services, Nec > Communications Consultants > Radio Broadcasting Consultants