Accenture PLC
Nokia Corporation
Amdocs Inc.
Cerillion PLC
Comarch SA
CSG Systems International Inc.
GoTransverse International Inc.
Ericsson
Hewlett Packard Enterprise Development LP (HPE)
Huawei Technologies Co. Ltd.
NEC Corporation
Oracle Corporation
Optiva Inc.
Mavenir Systems
SAP SE
Tata Consultancy Services Limited (TCS)
AGILITY CIS
Comviva
Enghouse Networks
PANAMAX INC
STL.TECH
Vcare Corporation