Saudi Telecom
Huawei
Telemar
Telefonica
Singtel
Globe
Smart
PLDT
Telecom Egypt
Vodafone
Celcom
PCCW
AT&T
CAT
TATA
CMNET
China Unicom
3Com
Microsoft
ZTE
Qualcomm
Altera
Sun Microsystems
Agere Systems
Intel
Motorola
Texas Instruments
Light Reading
Gartner
Ovum
Dittberner
Mercer
FhG
Towers Perrin
Hisilicon
TD Tech
H3C
IBM
PWC
Hay Group