At&T

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

• Plumbing Fixtures & Supplies Wholesale & Manufacturers
• Telephones Communications Services

North American Industry Classification System (NAICS) Categories:

• Plumbing Fixture Fitting And Trim Manufacturing
• Wired Telecommunications Carriers > Local & Long Distance Telephone Service

Standard Industry Classification (SIC) Categories:

• Plumbing Fixture Fittings & Trim
• Telephone Communications, Except Radio > Local & Long Distance Telephone Service
• Plumbing And Heating Equipment And Supplies (Hydronics) > Plumbing Fixtures & Accessories