| AWS D1.1 | Structural Steel Welding - Steel | Welding |
| Supersedes: None | Superseded By: None | |
| Selected sector: AS | Date added: | |
| SupplierNumber | SupplierName | State | CountryName |
| 90216494 | ARCTECH FABRICATING, INC. | OH | United States |
| 90049518 | CLARKS PRECISION MACHINE & TOOL INC | TX | United States |
| 90071191 | DYNAMIC FABRICATION, INC. | CA | United States |
| 90125446 | Equipment and Supply Inc. | NC | United States |
| 90123712 | ETI Tech LLC | OH | United States |
| 90051610 | MAY TECHNOLOGY & MFG INC | MO | United States |
| 90052833 | SEYER INDUSTRIES INC | MO | United States |
| 90057898 | ULTRA TECH AEROSPACE INC | KS | United States |