Usha & Usha Industries
18/3, Gariahat Road, Room-7f/1
Kolkata- 700019, West Bengal (India)
Nascon Insha Equipments
83, Satyan Bose Road, Near Lal Masjid, Nazir Gunj
Howrah- 711109, West Bengal (India)
Ashok Engineering & Construction Company
No. 14, Ganesh Chandra Avenue
Kolkata- 700013, West Bengal (India)
Topall International
Room No. 203 A, South Block, No. 6, Waterloo Street
Kolkata- 700069, West Bengal (India)
Blue Star Export,Souvik Basu
20, Netaji Subhash Road Kolkata,
Kolkata- 700001, West Bengal (India)