Telecommunications

STC

Crios Group

Unitel Angola

Amdocs

Zadarma

Axtel Headsets

NFON

Poly

Twilio

PCCW GLOBAL

Verisign

Altice Europe

Parallel Wireless, Inc.

Emirates Telecommunication Corporation (Etisalat)

Qatar Telecom (Ooredoo)

Sudan Telecommunication Co.

Inmarsat

Deutsche Telekom AG

Axiata Group Berhad

Rostelecom

AsiaInfo Holdings, Inc

Saudi e-Tabadul