Key Players
- ArcelorMittal
- Baosteel Group Corporation
- Benteler International AG
- ChelPipe Group
- EVRAZ Plc
- Hyundai Steel Company
- JFE Steel Corporation
- Jindal SAW Ltd
- Maharashtra Seamless Limited
- Mannesmann
- Nippon Steel & Sumitomo Metal Corporation
- North American Pipe Corporation
- Northwest Pipe Company
- Sandvik AB
- Severstal
- Sosta GmbH & Co. KG
- Steel Authority of India Limited (SAIL)
- TMK Group
- Tata Steel
- Tenaris S.A
- Tubacex
- Tubos Reunidos
- United States Steel Corporation
- Vallourec
- Zekelman Industries
