Sentinel

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

• Advertising Newspaper & Shoppers Guide
• Newspapers Manufacturers

North American Industry Classification System (NAICS) Categories:

• Newspaper Publishers
• Media Representatives > Newspapers & Magazines Representatives > Advertising Newspaper & Shoppers Guide

Standard Industry Classification (SIC) Categories:

• Newspapers: Publishing, Or Publishing And Printing
• Radio Television & Publisher's Advertising Representatives > Newspapers & Magazines Representatives > Advertising Newspaper & Shoppers Guide