| Precipitation Hardening Stainless | T 300 Series Stainless Steel | T 400 Series Stainless Steel |
| Cast Stainless Steel | T 600 Series Stainless Steel | T S10000 Series Stainless Steel |
| Assab Steels | ATI Allegheny Ludlum | Carlson |
| H.C. Starck | High Performance Alloys, Inc | Kennametal Stellite |
| Kinetics, Inc. | MetalTek | Misumi |
| PSM Industries | Pyrotek, Inc. | Resistalloy International Limited |