| GSS 6203 | Fusion Welding of Steels, Corrosion and Heat Resistant Steels and Nickel | Welding |
| Supercedes: None | Superceded By: None |
| Number | Name | State | Country |
| 90076567 | Ace Clearwater Enterprises Torrance | CA | United States |
| 90024671 | Aircraft Tubular Components Inc | FL | United States |
| 90065217 | AMK Technical Services | CT | United States |
| 90024474 | Arrowhead Products Corporation | CA | United States |
| 90024605 | Banner Metalcraft Inc | NY | United States |
| 90055235 | Globe Engineering Company Inc | KS | United States |
| 90069148 | LYNN WELDING CO INC | CT | United States |
| 90124556 | LYNN WELDING CO INC.39 Progress Circle | CT | United States |
| 90046204 | Welding Metallurgy Inc | NY | United States |