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

• Electronic Research Design & Development
• Telecommunications Companies

North American Industry Classification System (NAICS) Categories:

• Wired Telecommunications Carriers > Telecommunications Companies
• Research And Development In The Physical, Engineering, And Life Sciences > Technological Research & Development > Electronic Research & Development

Standard Industry Classification (SIC) Categories:

• Telephone Communications, Except Radio > Telecommunications Companies
• Commercial Physical & Biological Research > Technological Research & Development > Electronic Research & Development