| IT-55 | Nondestructive Testing of Nonpremium Quality Castings | Non-Destructive Testing |
| Supersedes: None | Superseded By: None | |
| Selected sector: AS | Date added: | |
| SupplierNumber | SupplierName | State | CountryName |
| 90070112 | Shellcast Foundries Inc | Canada | |
| 90175520 | YANKEE CASTING COMPANY | CT | United States |