Askib Engineers Private Limited
No. 86- D, Dr. Suresh Sarkar Road, Moulali
Kolkata- 700014, West Bengal (India)
S.D. Hardson Company
No. 106/B, Raja Denindra Street
Kolkata- 700004, West Bengal (India)
Bien Artium Natural Science Pvt. Ltd.
6, Mangoe Lane
Kolkata- 700001, West Bengal (India)
Frontline Technologies
Nischinda, 1 Near Agrani Sangha, Po Ghoshpara Bally
Howrah- 711227, West Bengal (India)
Chemicals & Instruments Corporation
No. 55, Ezra Street, 3rd Floor
Kolkata- 700001, West Bengal (India)