Sigma Consultants Private Limited
No. 11, Camac
Kolkata- 700017, West Bengal (India)
Largueza. LDA
Heinrich, Lersch, Steet 24, No. 2, Address, Zona Industrial, Viana- Luanda - Angola
Dubrajpur- 590006, West Bengal (India)
Drillers & Engineers
32A/47, Suren Sarkar Road
Kolkata- 700010, West Bengal (India)
Itd Cem JV
No. 46, Suren Sarkar Road, Subhas Sarovar
Kolkata- 700010, West Bengal (India)
Conmat Technologies Private Limited
CF-318, Sector-1, Salt Lake
Kolkata- 700064, West Bengal (India)