- OPTO ELECTRONICS FACTORY , DEHRADUN
- INSTRUMENT RESEARCH & DEVELOPMENT ESTALISHMENT, DEHRADUN.
- DEFENCE ELECTRONICS APPLICATION LABORATORY, DEHRADUN.
- INDIAN INSTITUTE OF TECHNOLOGY, (IIT) ROORKE.
- BIRLA YAMAHA POWER SOLUTIONS, LAL THAPPER.
- FOREST RESEARCH INSTITUTE, DEHRADUN.
- BHARAT ELECTRONICS LIMITED, KOTDWARA.
- TITAN INDUSTRIES LTD.
- MARSHAL ENGINEERING CORPORATION, NASHIK.
- BATH AID, NEW DELHI.
- ORDNANCE FACTORY, DEHRADUN.
- HEAVY VEHICLE FACTORY, AVADI, CHENNAI.
- ORDNANCE CABLE FACTORY, CHANDIGARH.
- HIGH ENERGY PRJECTILE FACTORY, TRICHY.
- HEAVY VEICLE FACTORY, AVADI.
- DRDO