Manufacturers
- Iranian
- Khorasan Steel Complex
- Alborz Steel Company » The Producer of Light Steel Profiles
- Isfahan Casting Industries Co.
- Esfahan's Mobarakeh Steel Company
- Iran Alloy Steel Company
- Esfahan Steel Company
- International
- AmeriCast Technologies Inc.
- TATA Steel Company » the Largest Steel Company in India
- POSCO
- Arcelor Steel Company » Company with a Turnover of 32.6 Billion Euroes in 2005
- Mittal Steel » 2nd Metal Producer in the World in 2004
- Nippon Steel Corporation » 3rd Largest Steel Producer in the World
- JFE Steel Corporation » 4th Largest Steel Producer in the World in 2004
Research and Information Centers
- Iranian
- Iran Steel Services Center
- the First Iranian Cement Journal on the Web
- Iran Sina Information Dissemination Base » (an Association of Iran Steel)
- Iran Mining and Related Industries Information Center
- Iranian Information Center of Industries & Mines
- International
- Steel Links » Steel Companies Links
- Metal Bulletin » The Market Leading Source for News, Prices and Analysis on the Metals Markets
- Steel News » News Wesite about Steel
- the Association for Iron & Steel Technology
- Steel Manufacturers Association
- the Stainless Steel Information Center » (Specially Steel Industry of North America)
- World Steel » International Iron and Steel Institute
- Steel Week » Business Intelligence for the Steel Industry
Others
- Engineering Consultancy companies (Iranian)
- Itok Group
- Namvaran
- Poolad
- Tara Tarh
- Public Organizations (Iranian)
- Iranian Mines & Mining Industries Development and Renovation Organization
- Iran Minerals Production and Supply Co.