| MA-123 | Fabrication of Aluminum, Magnesium and Steel Extruded Shapes | Miscellaneous |
| Supercedes: None | Superceded By: None |
| Number | Name | State | Country |
| 90043216 | Bodycote Thermal Processing - Westminster | CA | United States |
| 90024676 | Jamco Aerospace | NY | United States |