P&R Infra/Rly.
MG contractor
ATEPL/ IRC.
RAHEE/RVNL BBS.
ASHOKA/ NH-6 Dankuni.
ASHOKA/ NHDP   phase v.  NH 6
MEECO Engg.
CENTEX  Engg pvt ltd.
RAHEE / RVNL.
RAHEE/ NF Rly.
RAHEE INFRATECH LTD.