- Austin Tele-Services
- Address:4209 South Industrial, Suite 300
- Al Salaam Enterprise
- Address:300 Adler Sreet And 2400 East Southern Blvd And 2425 LARK DRIVE
- Zeracom
- Address:7993 Pleham Rd
- Ip Voice Systems
- Address:P.O. Box 152
- Global Telecom Exchange, LLC
- Address:
- TeleDynamics
- Address:2200 Wheless Lane
- Talkfree.com
- Address:
- ConnectCom
- Address:203 Garfield Dr.
- METRONET, INC.
- Address:414 Jackson street suite 204
- elmondo telecom
- Address:4225 N1st ave# 2201
- Velocity Networks
- Address:1050 E 3300 S Ste 205
- 5280 Networks
- Address:1667 S Acoma
- NORTH SYSTEMS TECHNOLOGY, INC.
- Address:301 S Lafayette Blvd
- WIDEWORLD
- Address:
- Rowlett gold and silver
- Address:
- SABA COMMUNICATIONS
- Address:301 Dani Rose Lane
- CVX Global
- Address:330 West 38th Street, Suite 1406
- Microtel Systems
- Address:2100 park dr suite
- Scientific NetIP Communications
- Address:3004 Clarkson Drive
- Modern Enterprise Solutions
- Address:6026 Jet Port Industrial Solutions