Impact Directories

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

• Publishers Books
• Publishers Directories & Guides
• Yellow Pages Publishers

North American Industry Classification System (NAICS) Categories:

• Book Publishers
• Directory And Mailing List Publishers > Publishers Directories & Phone Books > Publishers Directories
• Directory And Mailing List Publishers > Publishers Directories & Phone Books > Publishers Yellow Page Phone Books

Standard Industry Classification (SIC) Categories:

• Books: Publishing, Or Publishing And Printing
• Miscellaneous Publishing > Publishers Directories & Phone Books > Publishers Directories
• Miscellaneous Publishing > Publishers Directories & Phone Books > Publishers Yellow Page Phone Books