Largest producers of tin-coated & tin-free steel sheets in India; headquartered in Kolkata, with works in Jamshedpur (Jharkhand); associate of Tata Steel; makes various grades of sheets for metal packaging

Manufacturers of wire & wire rope, steel & cables based in Kolkata, with manufacturing facilities in Ranchi; among the top four wire rope producers in the world; also makes speciality steel long products, wire drawing machines, telecom cables etc

One of the largest manufacturers of cold rolled steel & galvanized steel in western India; based in Mumbai; exports more than 70% of its products; has a cold rolling capacity of 750,000 MT & galvanized steel capacity of 450,000 MT

Steel manufacturers based in Kolkata, with its works in Purulia (West Bengal); products: sponge iron, billets & ingots; has two kilns with a total capacity of 65,000 tpa

Steel company with its corporate office in Kolkata & plants in Kalinganagar & Golagaon (Orissa); products: pig iron (capacity: 225,000 tpa) & chrome concentrates

Company that manufactures thermo mechanically treated (TMT) rebars, ingots, billets and sponge iron in Anjar, Kutch, Gujarat; part of the Welspun Group

Manufacturers & exporters of MS steel profiles, sections & shapes used in doors, windows & ventilator frames; based in Ahmedabad, Gujarat; products: T-sections, F-sections, American sections, W-20 sections etc

Manufacturer and exporter of different types of ferro alloys in Balasore, Orissa; formerly known as Ispat Alloys Limited; is a member of the Ispat Group of companies owned by the Mittals

Steel trading company based in Chennai; products include plates, MS channels/ flats/ angles, rounds, black sheets, TMT rebars, pipes & RS joists

Largest manufacturers of steel rolled products in south India with plants at Bangalore, Kanchipuram and Mumbai; listed on Mumbai and Bangalore stock exchanges, its product range includes TMT bars, angles, channels, beams, flats, square, rounds etc