Adani
Alstom, India
APL Apollo Tubes Limited
Apollo
Essar Steel
Hero Steel Limited
Indian Steel Corporation Limited
Hindustan Zinc Limited
L & T
Maruti Suzuki Limited
POSCO IDPC
Ratnamani Metal & Tubes Limited
Reliance Industries Limited
Shreyas Relay System Limited
Welspun Corp Limited
MAN Industries (India) Limited
Bharat Heavy Electricals Limited
RPSC Tapukara
PG Foils Limited
India Steel Summit Pvt. Ltd.