| TMST | Metallus |
| X | United States Steel |
| NUE | Nucor |
| ZEUS | Olympic Steel |
| RS | Reliance Steel & Aluminum |
| PKX | POSCO |
| MT | ArcelorMittal |
| TX | Ternium |
| SCHN | Schnitzer Steel Industries |
| USAP | Universal Stainless & Alloy Products |
| STLD | Steel Dynamics |
| SID | Companhia Siderúrgica Nacional |