I - Con Trading Corporation
No. 38/3, B. T. Road
Kolkata- 700002, West Bengal (India)
Shiv Shakti Engineering Company
10 Old Post Office Street Room No. 37, Right Wing
Kolkata- 700001, West Bengal (India)
Transpower
No. 1/63, Netaji Nagar
Kolkata- 700092, West Bengal (India)
Hamilton Engineering Company
No. 5/3, The Mall Road
Kolkata- 700080, West Bengal (India)
Invenir Tech Systems Pvt. Ltd.
6, Parkside Road, Desapriya Park, 2nd Floor
Kolkata- 700026, West Bengal (India)
Uni Klinger Limited
No. 9, Chitrakoot, 8th Floor, No. 230A, AJC Bose Raod
Kolkata- 700020, West Bengal (India)
Titan Engineering Company Private Limited
No. 2/7, Sarat Bose Road, 5th Floor .
Kolkata- 700020, West Bengal (India)
Prerana Engineers & Consultants Private Limited
No. 28-D, R. K. Samadhi Road
Kolkata- 700054, West Bengal (India)
Sphulingo
Anandalok, Khasmollick, PO Dakshin, Gobindapur
Kolkata- 700145, West Bengal (India)
Thermotech Engneering, Kolkata
B - 6/4, Uttaryan, No. 102, B. T Road
Kolkata- 700108, West Bengal (India)
Dip Industries
No. 309, B. B. Ganguly Street 1st Floor, Room No. 14
Kolkata- 700012, West Bengal (India)
Thermotech Engineers
93/2, Roy Bahadur Road, Ground Floor
Kolkata- 700034, West Bengal (India)