At&T

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

• Telephones Communications Services
• Telephones Equipment & Systems

North American Industry Classification System (NAICS) Categories:

• Radio, Television, And Other Electronics Stores > Telephone & Communication Equipment > Telephones Equipment & Systems
• Wired Telecommunications Carriers > Local & Long Distance Telephone Service

Standard Industry Classification (SIC) Categories:

• Telephone Communications, Except Radio > Local & Long Distance Telephone Service
• Miscellaneous Retail Stores, Nec > Telephone & Communication Equipment > Telephones Equipment & Systems