- Local and long distance telephone communications (40)
- Data telephone communications (1)
- Local telephone communications (17)
- Long distance telephone communications (8)
- Online service providers (22)
- Internet connectivity services (24)
- Internet host services (16)
- Proprietary online service networks (3)
- Telephone cable service, land or submarine (1)
- Wire telephone (2)
- Telephone/video communications (2)
- Telephone communications broker (2)
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