ABB, GMR, L&T, Areva T&D, Crompton, B.H.E.L., Siemens, NTPC, NHPC, Kalpataru Power, JVVNL, JdVVNL, Uttaranchal Power Corporation, PVVNL, MVVNL, DVVNL.
Pepsico, Coca-Cola, NDTV, CNBC, Colgate, ANI, Malibu Town, APC, NIIT Technologies, NIFT, Omaxe, ERA Infra, Unitech, Amity, RSWM Ltd, Ranbaxy, Marico, NaryanaHirdalya, ICFAI, FIIB, etc.
Indraprastha Gases, GAIL, Indian Oil, Bharat Petroleum, Essar Oil, Vedanta.
Delhi Metro Rail Corporation Ltd., Indian Railways, Rail Coach Factory, DLW, Ircon, Cobra, Get Power, Tata Projects, Best and Crompton.
SunShine, Ultimate solar system, Regenysis, Bhaskar Solar, Surya Day
Western coal fields, Eastern Coal Fields, Mahanadi Coal Fields, Bharat Coking Coal, SCCL, MOIL, NCL and Danieli