- Accatel Inc
- Asia Netcom Inc
- Bell Latino
- Deltathree Inc
- Europe Telecom Group Inc
- Europe Telecom Group Inc
- Flag Telecom Network USA
- Flag Telecom Network USA
- Fonetel Inc
- Fonetel Inc
- Furtur Telecom America Inc
- Furtur Telecom America Inc
- Fusion Telecom
- Fusion Telecom
- Gee-Kaye Telecommunication Inc
- Gee-Kaye Telecommunication Inc
- General Telecom
- General Telecom
- KDD America
- KDD America
- Local Area Telecommunications
- Local Area Telecommunications
- MCI
- MCI
- MJI Telecom
- Next Carrier Inc
- Nittan Telecom LTD
