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

• Computers & Equipment Repairs & Maintenance
• Information Technology Services
• Computer Stores

North American Industry Classification System (NAICS) Categories:

• Computer And Software Stores > Computer Stores
• Data Processing, Hosting, And Related Services > Information Technology Services
• Computer And Office Machine Repair And Maintenance

Standard Industry Classification (SIC) Categories:

• Computer And Computer Software Stores > Computer Stores
• Computer Processing & Data Preparation & Processing Services > Information Technology Services
• Computer Maintenance And Repair