| Symbol | Name | Country | Exchange |
|---|---|---|---|
| OII | Oceaneering International, Inc. | US | NYSE |
| ZKIN | ZK International Group Co., Ltd | US | NASDAQ |
| SZGPY | Salzgitter Ag ADR | US | OTC |
| TNRSF | Tenaris Sa Luxembrg | US | OTC |
| 500103 | Bharat Heavy Electricals Limited | IN | BSE |
| GANDHITUBE | GANDHI SPECIAL TUBES LTD.-$ | IN | BSE |
| 2738 | Huajin International Holdings Ltd | HK | HK |
| 7020 | YKGI Holdings Bhd | MY | KLSE |
| 005010 | Husteel | KR | KO |
| 1320 | Saudi Steel Pipe Company | SA | SR |
| BEGR | BE Group AB | SE | ST |
| 002478 | Jiangsu Changbao Steeltube Co Ltd | CN | SHE |
| MCHIF | Maruichi Steel Tube Ltd | US | OTC |