Automobile	–	Maruti, LML, Honda cars, Hero Honda, Escorts Yamaha
Cement	–	ACC, Birla, Chittor, Century, Diamond, J.K., Laxmi, Shriram
Fertilizer	–	Duncons, IFFCO, N.F.L., Chambal, Indo-Gulf, Oswal, Shriram
Power	–	Essar Power, Hindalco, Siemens, N.H.P.C., HEG, N.P.C.L.
Refinery	–	I.O.C.L., B.P.C.L, H.P.C.L., I.B.P.
Steel	–	Tisco, H.C.L., Hindustan Zinc Ltd., Hindustan Copper Ltd.
Textile	–	Reliance, Raymonds, Bhiwani Textiles, Parasrampuria, Modipon
Chemical	–	SRF, Reliance, Oswal, Tata Chemicals, Oriental Carbon
Govt. Sector	–	Bureau of Indian Standards, N.B.C.C., I.T.D.C. IAAI, Delhi Vidyut Board, N.D.M.C., C.P.W.D., U.P.P.C.L., B.S.E.B., B.B.M.B., Indian Railways