The Scientific Apparatus Company
No. 40 - A, Chaulpathy Road, P. O. Beleghata
Kolkata- 700010, West Bengal (India)
Greto International
580, Katra Ishwar Bhavan, Khari Baoli
Kolkata- 700072, West Bengal (India)
Asoka Enterprises
No. 49, Jhawtala Road
Kolkata- 700019, West Bengal (India)
Energy Plus
No. 7, Avenue East, Modern Park, Santoshpur
Kolkata- 700075, West Bengal (India)
Oriental Engineering Co.
No. 111, Gopal Lal Tagore Road, Alam Bazar
Kolkata- 700035, West Bengal (India)
Karam Chand Thapar & Bros CS Limited
7th Floor, 25- Brabourne Road, Thapar House
Kolkata- 700001, West Bengal (India)
Maccann Engineer Private Limited.
No-79/3/28, Raja Laba Krishna Street, Room No 13.
Kolkata- 700005, West Bengal (India)