Key Players
- Tata Steel
- ArcelorMittal
- Nucor Corporation
- SSAB
- Vallourec
- Yuantai Derun Group
- Anyang Steel Group
- Youfa Steel Pipe Group
- POSCO
- Baoshan Iron & AND companies IS NULL; Steel Co. Ltd
- Nippon Steel Corporation
- Ansteel Group
- Hyundai Steel
- Liberty Steel
- JFE Steel Corporation
- Tenaris S.A.
- Marcegaglia S.p.A.
- Salzgitter AG
- Severstal
- Gerdau S.A.
- JSW Steel Ltd.
- Zekelman Industries
- Valmont Industries
- Liaoning Zhongwang Group Co., Ltd.
- Barrett Steel
- Viohalco Group
- Celsa Steel
- APL Apollo
- Atlas Tube
- Maruichi Steel Tube Ltd.
- Searing Industries
- Hannibal Industries
- United States Steel Corporation
