Dhanjal Mechanical Works Private Limited
No. 90, Phears Lane, 3rd Floor, Room No. 301 Near Shilpa Bhawan, Bow Bazar
Kolkata- 700012, West Bengal (India)
Sam Engineering
No. 2, N. C. Sen Avenue
Kolkata- 700080, West Bengal (India)
The New Lall Behary Mullick Company
No. 113A, Monohar Das Chawk, Barabazar
Kolkata- 700007, West Bengal (India)
Arvind Engineering Works
Muniswamappa Building, Mahadevpura
Kolkata- , West Bengal (India)