IRCON International Limited

Delhi Metro Rail Corporation Ltd

Delhi Development Authority

Public Works Department, Delhi

Delhi Tourism & Transportation Development Corporation Limited, India

Public Works (Roads) Department, Government of Orissa, India

P.W. (Roads) Directorate, Govt. of West Bengal, India

National Highway Authority of India

Punjab Road Works Department, India

Roads & Building Dept, Govt. of Andhra Pradesh, India

PWD Karnataka, India

Kolkata Metro Railway

Goa State Infrastructure Development Corporation Ltd

East Central Railways

Eastern Railways, Bihar, India

Konkan Railway Corporation Ltd

Maharashtra Airport Development Co Ltd

Roads and Bridges Development Corporation of Kerala Ltd

Karnataka State Highway Improvement Project

Maharashtra State Road Development Corporation Limited

Metropolitan Transport Project (Railways) Bombay.

Rail Vikas Nigam Limited

Western Railways, Mumbai, India

Border Road Organization

Roads and Transport Authority, Dubai

Trichy Tollway Pvt. Ltd

Chennai Metro Rail Limited.

Goa Infrastructural Development Company Pvt. Ltd.

Ministry of Works, Kingdom of Bahrain.