Opal Research & Analytical Services
Plot No. 34, Mansarover Park, Behind Reliance Petrol Pump, Lal Kuan
Ghaziabad- 201002, Uttar Pradesh (India)
Shree Ram Testing Laboratories
D-3, Udyog Kendra-I Ecotech-III
Greater Noida- 201306, Uttar Pradesh (India)
Multi-Tech Engineers & Consultants
No. 28, Jagriti Vihar, Sector-23, Sanjay Nagar
Ghaziabad- 201002, Uttar Pradesh (India)