At&T

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

• Electronic Equipment & Supplies
• Machine Shops Cnc Machining
• Telephones Communications Services

North American Industry Classification System (NAICS) Categories:

• Other Electronic Parts And Equipment Merchant Wholesalers > Electronic Equipment & Supplies
• Wired Telecommunications Carriers > Local & Long Distance Telephone Service
• Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance > Machine Shop & Tool Repair > Machine Shops

Standard Industry Classification (SIC) Categories:

• Telephone Communications, Except Radio > Local & Long Distance Telephone Service
• Electronic Parts & Equipment > Electronic Equipment & Supplies
• Repair Shops And Related Services, Nec > Machine Shop & Tool Repair > Machine Shops