The Southern Graphite Crucible Works
No. 451/195-B, Bangalore Road, Near Gokul Tiles Mart
Salem- 636004, Tamil Nadu (India)
Tirumurugan Pulveriser Mills
Shed No. 69, S. I. D. C. O. Industrial Estate, Kurichi
Coimbatore- 641021, Tamil Nadu (India)
Ashok Mineral Enterprises
No. 2, Landons Road, Kilpauk
Chennai- 600010, Tamil Nadu (India)