| GSS 6202 | Fusion Welding of Ferrous and Non-Ferrous Alloy Ground Support Equipment | Welding |
| Supercedes: None | Superceded By: None |
| Number | Name | State | Country |
| 90065217 | AMK Technical Services | CT | United States |
| 90024605 | Banner Metalcraft Inc | NY | United States |
| 90057898 | Ultra Tech Aerospace Inc | KS | United States |