| GT 23 G | Tap Testing | Non-Destructive Testing |
| Superseded by: None | Superseded By: None | |
| Selected sector: AS | Date added: | |
| SupplierNumber | SupplierName | State | CountryName |
| 90054958 | APPLIED AEROSPACE STRUCTURES CORP | CA | United States |
| 90050724 | HELICOMB INTERNATIONAL INC | OK | United States |
| 90127495 | POTEZ AERONAUTIQUE | France | |
| 90077285 | Potez Composites | France | |
| 90056626 | VECCO | KS | United States |