- Abovenet Communications
- Abovenet Communications
- Aspect Software Inc
- Aspect Software Inc
- Bell Communications Research
- Bell Communications Research
- BFG Communications
- BFG Communications
- BSD Communication
- BSD Communication
- Cactus Communications
- Cactus Communications
- Communications Strategy Group
- Communications Strategy Group
- Decibel Communications
- Decibel Communications
- Distinctive Communications
- E V Communications
- Inter World Communication Corp
- Netifice Communications
- Weise Communications
