Radiographic Inspection Services
No. 13 - A, Deshapriya Nagar, Palpara, B. T. Road P.O. Sinthee
Kolkata- 700050, West Bengal (India)
Royal Inspection & Engineering Services
Nabanagar,Parbangla,Batanagar
Kolkata- 700140, West Bengal (India)
Spectro Shyam Labs Private Limited
Shyam Towers, EN-32, Sector -V, Salt Lake City
Kolkata- 700091, West Bengal (India)
HEAT - X
No. 10 A, Dumdum Road
Kolkata- 700030, West Bengal (India)
Testing Research Engineering & Technological Services
No. 14, Ramnath Pal Road
Kolkata- 700023, West Bengal (India)