NHAI
Ministry of Road Transport & Highway (MoRT&H)
National Highway Infrstructure Development Corporation Limited(NHIDCL)
PWD-Arunachal Pradesh
TATA STEEL
PWD-NH Division Assam
PWD (Highways) Govt. of Karnataka
PNC Infratech Ltd.
APCO Infratech Pvt. Ltd.
Galfar Engineering & Contracting (India) Pvt. Ltd
PunjLloyd
GMR Infrastructure
(DRAIPL)Dineshchandra R Agrawal Infracon Pvt. ltd
RDS Projects Ltd.
IL&FS Transportation Networks Ltd.
Centro Dorstry India Pvt. Ltd.
G R Infra Projects Ltd
RITHWIK Projects Pvt.Ltd.
SMEC International Pty. Ltd
Amtek Auto Ltd.
JKM Infra Projects Ltd.
Leighton Contractors (India) Pvt. Ltd.
Varaha Infra Ltd.
UB Engineering