Telephone Office

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

• Advertising Directory & Guide
• Consultants - Communication

North American Industry Classification System (NAICS) Categories:

• Wireless Telecommunications Carriers (Except Satellite)
• All Other Telecommunications
• Engineering Services > Engineers Electrical, Electronic & Communications > Communication Consultants
• Other Management Consulting Services > Communications Consultants
• Other Scientific And Technical Consulting Services > Communications Consultants
• Advertising Agencies > Directory Advertisers

Standard Industry Classification (SIC) Categories:

• Communication Services, Nec > Specialty Communication Companies & Services > Communication Consultants
• Radio Television & Publisher's Advertising Representatives > Guides & Directories
• Business Consulting Services, Nec > Communications Consultants