Compu Valley
No. 57, Ganesh Chandra Avenue
Kolkata- 700013, West Bengal (India)
Supertron Electronics Limited
Supertron House, No. 2, Cooper Lane Opposite R. N. Mukherjee Road
Kolkata- 700001, West Bengal (India)
Eastern Logica Infoway Limited
No. 2, Saklat Place, 1st Floor
Kolkata- 700072, West Bengal (India)
New South Auto & Electronics
No. 18, Diamond Harbour Road, Barisha, Janakalyan
Kolkata- 700008, West Bengal (India)
Arihant InfoTech
No. 3, Biplabi Anukul Chandra Street, Princep Street
Kolkata- 700072, West Bengal (India)
Jindal Computers Old China Bazar
14/2,Grd Flr,Room No 122, Old China Bazar St,, China Bazar Street,
Kolkata- 700001, West Bengal (India)
New Seema
No. 23/2, Lenin Sarani
Kolkata- 700013, West Bengal (India)
SP Chemicals
No. 47/2 - D, Paddapukur Road
Kolkata- 700020, West Bengal (India)
E Zone Computer
Paschim Medinipur, Balichak
Midnapore- 721124, West Bengal (India)