Alpha Test House
M- 577, Guru Har Kishan Nagar, Paschim Vihar
Delhi- 110087, Delhi (India)
Material Testing Laboratory
D 14/7, Okhla Industrial Area, Phase 1
Delhi- 110020, Delhi (India)
Siddhartha Spectro
Plot No. 20, New Mandoli Industrial Area
Delhi- 110093, Delhi (India)
National Testing Laboratory Private Limited
B- 265, Mangolpuri Industrial Area, Phase- 1
Delhi- 110083, Delhi (India)
Batra Metallurgical & Spectro Station
No. 1, E/18, 2 Floor, Jhandelwalan Extension
Delhi- 110055, Delhi (India)
Industrial Research & Testing Centre
G-7, I P Tower V I, Wazirpur Community Centre
Delhi- 110052, Delhi (India)
En Kay ENT
605, Padma Tower,222, Rajendra Place, Delhi - 110008
Delhi- 110008, Delhi (India)