Manufacturer of highly engineered fasteners, precision-machined components, and complex assemblies for the aerospace, defense, advanced energy, and other industrial markets.

PennAero manufactures externally threaded structural fasteners, gears, latches, manifolds, and precision engineered components for airframe and engine manufacturers serving Boeing, Airbus, and other major OEMs, as well as high-performance components for the defense, space and semiconductor markets. PennAero’s U.S. headquarters supports engineering and manufacturing operations across North America, Europe, and Asia.

In July 2024, Tinicum established PennAero by combining PMI (acquired in June 2023), Briles Aerospace (September 2022), and American Drilling (March 2018). In March 2026, PennAero acquired TriMas Aerospace, significantly expanding its product portfolio and engineering capabilities. PennAero seeks to acquire aerospace manufacturing businesses with differentiated and proprietary component designs, manufacturing processes, and engineering abilities.