| AMS-QQ-C-320 | Chromium Plating (Electrodeposited) | Chemical Processing |
| Supersedes: QQ-C-320 | Superseded By: AMS 2460 | |
| Selected sector: AS | Date added: | |
| SupplierNumber | SupplierName | State | CountryName |
| 90053973 | Heroux-Devtek Inc | Canada | |
| 90205239 | MULTICHROME CO INC | CA | United States |
| 90051884 | NASSAU CHROMIUM PLATING CO INC | NY | United States |
| 90024581 | NOBLE AEROSPACE | CA | United States |
| 90053171 | Superior Plating Co | CT | United States |