At&T

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

• Convention & Meeting Planning Services
• Telephones Communications Services

North American Industry Classification System (NAICS) Categories:

• Wired Telecommunications Carriers > Local & Long Distance Telephone Service
• Convention And Trade Show Organizers > Convention Trade Show & Promotional Services > Meeting Rooms & Facilities

Standard Industry Classification (SIC) Categories:

• Telephone Communications, Except Radio > Local & Long Distance Telephone Service
• Business Services, Nec > Convention Trade Show & Promotional Services > Meeting Rooms & Facilities