Tw Telecom

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

• Telecommunications Management Services
• Internet - Voice Application

North American Industry Classification System (NAICS) Categories:

• All Other Telecommunications > Internet Service Providers > Internet - Voice Application
• Office Administrative Services > Computer Facilities Management Services > Telecommunications Management Services

Standard Industry Classification (SIC) Categories:

• Information Retrieval Services > Internet Services > Internet - Voice Application
• Management Services > Utility & Waste Management Services > Telecommunications Management Services