Tec

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

• Information Search & Retrieval Service
• Telecommunications Services

North American Industry Classification System (NAICS) Categories:

• Wired Telecommunications Carriers > Telecommunications Services
• Computer Systems Design Services > Information Management

Standard Industry Classification (SIC) Categories:

• Telephone Communications, Except Radio > Telecommunications Services
• Information Retrieval Services