| GSS 5104 | Heat Treatment of Austenitic Corrosion and Heat Resistant Steels | Heat Treat |
| Supercedes: None | Superceded By: None |
| Number | Name | State | Country |
| 90043523 | Bodycote Thermal Processing - Rancho Dominguez | CA | United States |
| 90053171 | Superior Plating Co | CT | United States |