 SEW Infrastructure Ltd |
 HCC |
 Ambuthirtha Power Private Limited |
 National Buildings Construction Corporation Ltd. |
 Lanco Infratech Limited |
 Ramky Infrastructure Ltd |
 CISCONS Projects Pvt. Ltd |
 PATEL ENGINEERING LTD |
 BGR Energy Systems Limited |
 Jaypee Group |
 Kerala State Electricity Board |
 Aban Group |
 AFCONS Infrastructure |
 Abir Constructions Pvt. Ltd. |
 SJVN Limited |
 Moserbaer India |
 NTPC |
 AP TRANSCO |
 National Projects Construction Corporation Limited |
 Jal Power Corporation Ltd |
 Karnataka Power Transmission Corporation Limited |
 Governemt of Andhra Pradesh |
 Govt. of Rajasthan |
 Govt. of Himachal Pradesh |
 Uttar Pradesh Rajkiya Nirman Nigam Ltd |
 Northeast Frontier Raiway |
 Bangalore Metro Rail Corportaion Limited |
