| Symbol | Name | Country | Exchange |
|---|---|---|---|
| TNRSF | Tenaris Sa Luxembrg | US | OTC |
| VLOUF | Vallourec S.A. Ord | US | OTC |
| VLOWY | Vallourec Sa ADR | US | OTC |
| VACD | Vallourec | DE | F |
| 071090 | Histeel | KR | KO |
| TRG | Tubos Reunidos S.A | ES | MC |
| VACE | VALLOUREC ADR 1/5/EO 2 | DE | F |
| VK | Vallourec | FR | PA |
| 0NR2 | Vallourec | GB | LSE |