- Steel Authority of
India Ltd., Ranchi
- Larsen & Toubro Ltd.,
Kansbahal
- Hindalco Industries
Ltd., Renukoot
- Heavy Engg. Corp.
Ltd., Ranchi
- GKW, Powmex Steels
Division, Orissa
- Indian Seamless Steels
& Alloys Ltd.
- Indo-Asahi Glass Co.
Ltd.
- Hari Om Metcoke Ltd.
- Orient Paper Mills,
Orissa
- Vesuvius India Ltd.
- Metal & Steel Factory,
India
- Texmaco Ltd.
- Kalyani Carpentor
Special Steels Ltd.
- OCL, Rajgangpur
- BESCO Ltd.
- TAYO
- Usha Beltron Ltd.
(Alloys Steels Div)
- Wheel & Axle Plant
- Starwire India Ltd.