Sentinel

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

• Computers & Equipment Repairs & Maintenance
• Computer & Software Stores

North American Industry Classification System (NAICS) Categories:

• Computer And Software Stores
• Computer And Office Machine Repair And Maintenance

Standard Industry Classification (SIC) Categories:

• Computer And Computer Software Stores
• Computer Maintenance And Repair