Keyone Technology Pvt Ltd
18/43, Dover Lane, Ground Floor, Gariahat
Kolkata- 700029, West Bengal (India)
Dais Technology
A1/1 Sector 2a S.S.B. Sarani, Bidhannagar, Durgapur
Bardhaman- 713212, West Bengal (India)
Atvus Industries
No. 689, Block 'O', New Alipore
Kolkata- 700053, West Bengal (India)
Microtex Corporation
No. 46/16A, Becharam Chatterjee Road, Behala
Kolkata- 700034, West Bengal (India)