Cti

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

• Telephones Equipment & Systems Wiring & Installation
• Telephones Equipment & Systems

North American Industry Classification System (NAICS) Categories:

• Electrical Contractors > Electronic & Communications Contractors > Telephones Equipment & Systems Wiring & Installation
• Radio, Television, And Other Electronics Stores > Telephone & Communication Equipment > Telephones Equipment & Systems

Standard Industry Classification (SIC) Categories:

• Electrical Work > Electronic & Communications Contractors > Telephones Equipment & Systems Wiring & Installation
• Miscellaneous Retail Stores, Nec > Telephone & Communication Equipment > Telephones Equipment & Systems