- A's Telephone Installation
- A's Telephone Installation
- Arbinet-Thexchange
- Asia Access Telecom
- Asia Access Telecom
- Asiana Telecom
- Asiana Telecom
- At Light Speed
- At Light Speed
- C M Tel USA
- C M Tel USA
- Cable & Wireless Americas
- Cable & Wireless Americas
- Centerline Communications
- Centerline Communications
- China Netcom
- China Netcom
- China Telecom USA Corp
- China Telecom USA Corp
- Chung Hwa Telecom Global
- Chung Hwa Telecom Global
- Cybertech
- Cybertech
- Cybertech
- Cytus Communications Co
- Cytus Communications Co
- Dacom America Inc
- Dacom America Inc
- Data Connect
- Data Connect
- Digital Hub USA
- Fiber Net Inc
- Focal Communications
- Global Calling
- Integrated Communications
- Isoftel
- Level 3 Communications
- Locus Telecommunications Inc
- MCI Telecommunications
- Media Comm Inc
- Metropolitan Fiber
- Onsenet America Inc
- Pacific Telecommunications
- Pioneer Communications
- Pldt Us LTD
- Primus Telecommunications Inc
