| 3U Technologies |
National Association of Broadcasters |
| Alcatel-Lucent |
National Cable and Telecommunications Association (NCTA) |
| Americom Government Services |
Neustar |
| Association of Public Televisions Stations |
Nortel |
| AT&T |
Powerwave |
| Boeing |
Qwest |
| Cincinnati Bell |
Rural Cellular Association |
| Cisco Systems |
The Satellite Broadcasting and Communications Association (SBCA) |
| Comcast |
Satellite Industry Association |
| Computer Sciences Corporation |
Savvis |
| CTIA The Wireless Association |
Space Enterprise Council |
| Century Link |
Sprint Mobile |
| Digi International |
Telcordia |
| DirecTV |
Telecommunications Industry Association |
| Hughes Network Systems |
TeleContinuity, Inc. |
| Internet Security Alliance |
Terrestar Networks |
| Intrado |
Tyco |
| Juniper Networks |
U.S. Internet Service Provider Association |
| Level 3 |
USTelecom Association |
| McLeodUSA |
Utilities Telecom Council |
| MITRE Corporation |
VeriSign |
| Motorola |
Verizon |
