World Top 100 Iron and Steel Companies List by Market Cap as of August 2026

Fortescue is Australia based mining company and it is producing 170 million tons of iron ore per annum. Headquarters is in Australia.

Fortescue Ltd. formed by merging Fortescue Metals Group and Fortescue Future Industries in 2023.

Steel Dynamics is a Basic Materials and Metal company. The company products are flat roll, structural, engineered special bar quality, merchant bar, rail, specialty shapes, ferrous and nonferrous scrap, liquid pig iron, joist and decking, processed copper and threaded rod. The headquarters is in USA.

As on 2022, Steel Dynamics has 12,060 employees.

Steel Dynamics annual revenue generated for period ending Dec-2022 was 22,260 million USD.

JSW Steel is Steel Manufacturing Company with headquarters is in Mumbai of India.

Allegheny Technologies is a Specialty Materials and Metals company. The company operating jet engines at 2800 degrees to equipping nation defense to safely and efficiently transporting highly corrosive liquids and exhaust streams to enabling life changing medical insights. It operate worldwide with locations in the United States, Europe and Asia with 57 locations and 17 countries. The headquarters is in USA.

Allegheny Technologies renamed to ATI Inc. in June 2022.

Steel Pipes manufacturing company with headquarters is in Luxembourg. Manufactures steel pipes needed for oil and gas companies.

Tata Steel is Iron and Steel sector company with headquarters is in Mumbai of India.

20.6 Million Tons per Anum is operation production capacity of Tata Steel in India

Target is to reach 25 Million Tons per Anum Operation production capacity in India by 2025.

Reliance Steel and Aluminum is a Basic Materials and Metals company. It offer alloy, aluminum, brass, copper, carbon steel, stainless steel, titanium and specialty steel products in a range of shapes such as beam, bar, pipe, tube, plate, sheet and more. The company precision processes include cutting to length, blanking, slitting, plasma burning, shearing, forming and specialty value added services like laser cutting, fabricating and mechanical polishing. The headquarters is in USA.

PJSC Severstal is a vertically integrated mining and metallurgical company with major assets in Russia and a small number of enterprises abroad. Headquarters is in Russia.