T R T F T C Telecommunications

T R T F T C Telecommunications is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Teletypewriter Systems & Service

North American Industry Classification System (NAICS) Categories:

• Wired Telecommunications Carriers > Facsimile & Teletypewriter Services > Teletypewriter Systems & Service

Standard Industry Classification (SIC) Categories:

• Telegraph And Other Message Communications > Facsimile & Teletypewriter Services > Teletypewriter Systems & Service