| AMS 2759/7 | Carburizing and Heat Treatment of Carburizing Grade Steel Parts | Heat Treat |
| Supercedes: AMS-S-6090 | Superceded By: None |
| Number | Name | State | Country |
| 90049129 | Bodycote Thermal Processing - Huntington Park | CA | United States |
| 90051689 | Bodycote Thermal Processing - Mclean Street | KS | United States |
| 90043420 | BURBANK STEEL TREATING INC | CA | United States |
| 90049444 | Certified Steel Treating Corp | CA | United States |
| 90052133 | Pacific Metallurgical, Inc. | WA | United States |