Washington Machine Works

Washington Machine Works is a Seattle, Washington-based precision machine shop that has provided machining services to industrial and government customers since 1985. The company specializes in CNC and conventional machining for prototypes, small production runs, large components, complex parts, and urgent repair projects. Its capabilities include boring, drilling, milling, tapping, turning, and reaming, with experience machining materials such as mild and hardened steel, stainless steel, manganese, Inconel, aluminum, and engineering plastics. Washington Machine Works also supports fabrication and assembly projects through a network of specialized partners, coordinating services such as welding, metal forming, gear cutting, heat treatment, sandblasting, and powder coating. The company serves industrial, marine, aerospace-related, and government customers, with a focus on precision, quality control, and producing parts to customer specifications. It maintains an ISO 9001:2015-certified quality management system.