Dex

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

• Advertising Directory & Guide
• Computers Advertising Internet

North American Industry Classification System (NAICS) Categories:

• Advertising Agencies > Directory Advertisers
• Media Representatives > Guides & Directories
• Display Advertising > Graphic & Computer Advertising Services > Advertising Internet

Standard Industry Classification (SIC) Categories:

• Radio Television & Publisher's Advertising Representatives > Guides & Directories
• Advertising, Nec > Graphic & Computer Advertising Services > Advertising Internet