B. N. Engineering Works
131, Keshab Chandra Sen Street Near Amherst Street
Kolkata- 700009, West Bengal (India)
Adkon Hydraulics
Pallab Pukur, Santragachi, Howrah
Kolkata- 711104, West Bengal (India)
National Equipment & Engineering Works
Ichapur, Sealdanga
Howrah- 711104, West Bengal (India)
S. D. Hydraulic & Equipments
Kamardanga Bottala, Santragachi Howrah
Kolkata- 711104, West Bengal (India)
Ergon Corporation
309, Al-Akbari Mansion, 27 Weston Street
Kolkata- 700012, West Bengal (India)
Anna Gardening
No. 22, Ramtanu Bose Lane
Kolkata- 700006, West Bengal (India)
Singh Associates
P184, C. I. T Road, Scheme Vi M
Kolkata- 700054, West Bengal (India)