ATI Inc (NYSE: ATI) is a specialty materials company that produces highly differentiated metals, alloys, and components through materials science expertise and advanced process technologies. It generates revenue by selling specialty materials and manufactured components directly to customers in aerospace, defense, energy, medical, electronics, and other industrial markets. Aerospace and defense represent approximately 68% of total sales (FY2025), led by products for jet engines and airframes alongside a wide range of defense applications. ATI operates in two business segments: High Performance Materials & Components (HPMC), which produces high performance materials and advanced metallic components, and Advanced Alloys & Solutions (AA&S). The company trades on the New York Stock Exchange and filed its most recent 10-K on February 20, 2026, covering the fiscal year ended December 28, 2025.
High performance materials and components for jet engines and airframes; specialty alloys and solutions for defense applications; products for specialty energy, conventional energy, medical, and electronics markets.
Transactional sales of specialty materials and manufactured components to end customers in aerospace, defense, specialty energy, medical, electronics, and other industrial markets across two reporting segments: HPMC and AA&S.
Aerospace and defense: approximately 68% of total sales (FY2025), driven by jet engine and airframe demand plus defense applications. Additional end markets include specialty energy, conventional energy, medical, electronics, and other industrial markets.
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