American Directory Company

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

• Advertising Directory & Guide
• Directory Sales

North American Industry Classification System (NAICS) Categories:

• Advertising Agencies > Directory Advertisers
• Media Representatives > Guides & Directories
• All Other Support Services > Documentation & Mail Related Services

Standard Industry Classification (SIC) Categories:

• Radio Television & Publisher's Advertising Representatives > Guides & Directories
• Business Services, Nec > Documentation & Mail Related Services