Customer

• Alcatel
• ERICSSON
• SIEMENS PCN
• NOKIA
• Indus Towers
• Idea Cellular
• Airtel
• BPL Cellular
• TATA Teleservices
• TATA Communications
• TATA Teleservices Maharashtra Limited
• Dass Hitachi
• WTTIL
• Tejas Networks
• Wipro Networks
• C-DOT
• IBM Daksh
• Coral Telecom (Usha Informatics)
• Crompton Greaves
• Vishakhapatnam Steel Plant
• Mahanagar Telephone Nigam Ltd. (MTNL)
• Bharat Sanchar Nigam Ltd. (DoT)
• Telecommunications Consultant India Ltd.
• Sri Lanka Telecom
• Dialog Telecom (MTN Networks), Sri Lanka
• Hutchison, Sri Lanka
• CELTEL, Sri Lanka

• Tigo, Sri lanka
• Lankabell, Sri Lanka
• Grameen Phone, Bangladesh
• One Tel, Bangladesh
• BTL, Bangladesh
• Banglalink, Bangladesh
• Aktel, Bangladesh
• Teletalk, Bangladesh
• MTN – Nigeria, Afghanistan
• Telecom Development Company Afghanistan Ltd.
• AWCC, Afghanistan
• Starcomms, Nigeria
• Multilinks, Nigeria
• Visafone, Nigeria
• Zoom, Nigeria
• Telecom Egypt.
• Etisalat, Egypt
• Alcatel, Vietnam
• EVN, Vietnam
• Nepal Telecommunications Corp
• Bhutan Telecom
• Skylink , Myanmar
• BBS Access, Singapore
• Sudatel, Sudan
• Teshco, Vietnam
• ZTE
• Reliance Communications

Power utilities

• Power Grid Corporation of India
• Haryana Vidyut Prasaran Nigam Limited
• Rajasthan Rajya Vidyut Prasaran Nigam Limited
• Transmission Corporation of Andhra Pradesh
• Delhi Transco
• Telangana Transco

Gas and oil

• Gas Authority of India Limited
• Indian Oil Corporation Limited
• Central Electronics Limited
• ONGC

Railways

• Indian Railways
• Railtel Corporation of India Limited
• Bangladesh Railways
• IRCON – India, Afghanistan

Defense

• Indian Army
• Bharat Electronics Limited.
• Terminal Ballistic Research Limited.
• MES
• Airforce
• BSF