Adarsha Control Systems, AMP (India) Ltd., Ampere Electric System, Asea Brown Boveri (ABB) Ltd., Best & Crompton, BPL Sanyo Technologies Ltd., Chirra Electronics Pvt. Ltd., Easun Reyrolle Relays & Devices Ltd., ECE Industries (Elevator Div), Electric Machine Factory (Best & Crompton), Electronic Research Ltd., Ganga Micro Electronic Pvt Ltd(New), GE BEL Ltd., Bangalore, GEC Alsthom Industries Ltd.Hical Magnetics (P) Ltd., Indus Electro Controls, Intra Vidyut (P) Ltd., IPA (Pvt.) Ltd., Joy Industries, Karnataka Vidyuth Karkhane Ltd., (KAVIKA), Khedda Insulation Systems Pvt. Ltd., Meher Capacitors (P) Ltd., Molex (India) Ltd., N.G.E.F Ltd., National Thermal Power Corporation (NTPC), Nikitech Electric (P) Ltd., Rajamane Telectric (P) Ltd., Saha Keil Ltd., Sajas Electricals Pvt. Ltd., System controls, Tata Electronic Development Services, Vintek RF Products Pvt. Ltd., WIPRO Biomed, Kerala State Electricity Board( Lower Periyar HEP), Kerala State Electricity Board ( Idukki HEP).