Precision Balance India (Kolkata)
No. 6, Wood Street, Ground Floor
Kolkata- 700016, West Bengal (India)
Geologists Syndicate Pvt.Ltd.
No. 137, Biplabi Rash Behari Basu Road, Canning Street, 1st. Floor, Room No. - 25
Kolkata- 700001, West Bengal (India)
Unique Instruments Corporation
No. 41, B. B. Ganguly Street, Near Central Metro Station
Kolkata- 700012, West Bengal (India)
East Coast Enterprisers Limited
No. 33, Brabourne Road, 6th Floor
Kolkata- 700001, West Bengal (India)
East India Technical Institution
Vill. P.O.-Uchalan
Bardhaman- 713427, West Bengal (India)
Siddhi's Concern
3, Rifle Range Road, Purbayan, Plot No. 02 Belgharia, Near UCO Bank
Kolkata- 700056, West Bengal (India)
British Indian Engineering Stores
No. 11, BBD Bag East
Kolkata- 700001, West Bengal (India)
ASA Consultancy Service
No. 140, Rajendra Avenue, Ishita Apartment Ground Floor, Off 02, Uttarpara
Hooghly- 712258, West Bengal (India)
Mega Power Engineering
9/5, SEPCO Township,Durgapur MC
Bardhaman- 713205, West Bengal (India)
Indian Instruments Corporation
104, Motilal Nehru Road
Kolkata- 700029, West Bengal (India)
Electrical Measuring Instruments
No. 12/1, Suren Sarkar Road Beliaghata
Kolkata- 700010, West Bengal (India)
SN Prasad & Bros
T. P. Road
Asansol- 713301, West Bengal (India)