Telecommunications
Ascom
AT&T (2002)
AT&T
BellSouth
Cable & Wireless
Europolitan
General Datacomm
GLOBAL ONE Alliance
Hong Kong Telecom
Lumos Technologies
MCI Systemhouse
Melita
Nokia Telecommunications
Nortel
Nortel
SISTINA Partners
Sprint
Telecom Italia Mobile
Telenordia
Telefonica I & D
UH Telecommunications
Vodaphone
(2002)