Arnprior Aerospace

Arnprior Aerospace - Arnprior Aerospace is a leading aerospace manufacturing company with a facility in Portland specializing in precision machining, metal forming, and structural assemblies for commercial and defense aircraft. As part of a global network serving top-tier aerospace clients, Arnprior delivers high-quality components including sheet metal parts, machined aluminum structures, and subassemblies for airframes and engines. The Portland operation is equipped with advanced CNC technology, lean manufacturing practices, and stringent quality control systems aligned with AS9100 standards. Arnprior’s engineering team works closely with OEMs and Tier 1 suppliers to ensure products meet performance, weight, and regulatory requirements. Known for its expertise in aluminum fabrication and tight-tolerance machining, Arnprior Aerospace is a trusted partner in complex aerospace projects that require reliability, traceability, and on-time delivery. The Portland plant supports product life cycles from prototyping through full production and is committed to continuous improvement, workforce development, and sustainable operations. By combining global capabilities with local responsiveness, Arnprior Aerospace plays a critical role in advancing aerospace innovation and supply chain excellence.