With a history dating back to 1946, the Stack Metallurgical Group has grown to become the most versatile provider of heat treating and metal processing services in the Pacific Northwest. Following the launch of a new facility in 2019, Stack will offer four ITAR/Nadcap-accredited locations with a focus on the aerospace, power generation, medical implant, and high-end knife and cutlery markets.



Products & Services: Vacuum Heat Treating / Aluminum Heat treating / Endothermic Heat Treating / Hot isostatic pressing (HIP) / Black Anodizing / Aluminum Anodizing / Ion Nitriding / Penetrant Inspection / Induction Heat Treating / Vacuum Carburizing / Washington