SeaCast, Inc.
Aviation and Aerospace Component ManufacturingWashington, United States51-200 Employees
SeaCast, Inc. is a mid-sized, AS9100-certified manufacturer focused on investment casting for the aerospace, military, and industrial sectors. The company provides on-site support services such as welding, CNC machining, heat treatment, and assembly, enabling end-to-end production for complex components. It casts and machines materials including nickel-based superalloys, stainless steels, cobalt alloys, and aluminum. SeaCast is ITAR-registered, aligning with defense and export controls, and is guided by an experienced management team that prioritizes investments in equipment and infrastructure to support quick turnaround and sustained production capacity. Headquartered in Marysville, Washington, SeaCast serves customers in the aviation, defense, and industrial manufacturing spaces, providing integrated casting and finishing capabilities. In March 2025, the company announced a collaboration with GE Aerospace through a joint venture called Montana Precision Products, based in Butte, Montana, which expands its involvement in aerospace manufacturing.