- Local and long distance telephone communications (6)
- Data telephone communications (2)
- Long distance telephone communications (3)
- Voice telephone communications (3)
- Online service providers (24)
- Internet connectivity services (17)
- Internet host services (23)
- Proprietary online service networks (2)
- Telephone cable service, land or submarine (1)
- Wire telephone (1)
- Telephone/video communications (1)
- Telephone communications broker (4)
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