Telecommunications

Avaya
Adelphia Communications 
Flag Telecom Holdings
Hawaiian Telcom
ICG Communications 
KMC Telecom
MCI WorldCom 
Metromedia Fiber Network 
Metromedia International
NII International Holdings SarL 
One.Tel 
Prime Matrix Wireless Communications
SFMT 
Smartalk TeleServices 
Touch America Holdings
US One Communications 
Vesper Sao Paulo S.A. 
Winstar Communications 
Wireless One