| Pave Infrastructure Pvt. Ltd. | West Bengal | 4th Floor, Jeevan Deep Building, 4th Mile, Salugara, Siliguri – 734008 | CPWD |
| M/s Pruthvi Constructions | Andhra Pradesh | Door No. 13-2-240, Rama Chandra Nagar, Ananthapur – 515001 | CPWD |
| Divakar Singhal | Delhi | 27B R Block, Dilshad Garden, Delhi – 110092 | CPWD |
| Edge Telecom Pvt. Ltd. | Delhi | B-1/137, Second Floor, Yamuna Vihar, Delhi – 110053 | CPWD |
| M/s Awadh Builders | Uttar Pradesh | C-948, Vishwa Bank, Barra, Kanpur – 208027 | NHAI |
| ATT Systems India Pvt. Ltd. | Karnataka | No. 140 & 141, Chaithanya Enclave, Aymangala Hobli, Hiriyur Taluk, Chitradurga – 577558 | NHAI |
| GREGO DRIVE Pvt. Ltd. | West Bengal | F13, Zilla Parishad Market Complex, Midnapur | West Bengal I&WD |
| Poddar Construction | West Bengal | 13/1A Kashinath Dutta Road, Kolkata – 700036 | West Bengal I&WD |
| R.R. Engineers | West Bengal | Near Congress Bhavan, Narayanpur, Balurghat – 733101 | West Bengal PWD |
| Raj Refrigeration Company | Maharashtra | Shop No. 116, C1 Wing, Sai Kanwal Complex, Indian Oil Nagar, Andheri (W), Mumbai – 400053 | West Bengal PWD |
| Best Flavours | West Bengal | AS/8/181/1/8/05, BL-B, Tulip Garden, Shop No.1, Dashodrone, Kolkata – 700136 | West Bengal PWD |
