Enhanced Polyetherimide (PEI) segmentation by application reveals a distinct concentration of demand across five primary end‑uses. In the aerospace sector, the material’s high thermal stability and flame‑retardancy support structural components and interior panels, accounting for roughly 30 % of total market revenue. The automotive segment follows with an estimated 25 % share, driven by lightweighting initiatives and the need for heat‑resistant under‑hood parts. Electronics contribute about 20 % as PEI’s dielectric strength enables connectors, housings, and high‑frequency substrates. The medical field, representing 15 % of the market, leverages the polymer’s biocompatibility for surgical instruments and sterilizable devices. Finally, industrial applications—encompassing pump housings, valve components, and additive‑manufacturing feedstock—capture the remaining 10 %. These percentages collectively define the market taxonomy, illustrating how each application category underpins the overall valuation of the Enhanced Polyetherimide market. Regional analysis shows that North America and Europe together host over 55 % of application‑specific consumption, while Asia‑Pacific exhibits the fastest CAGR, propelled by expanding aerospace manufacturing and electronics assembly hubs.