ATI, Inc. engages in the manufacture of specialty materials and components. It operates through the High Performance Materials and Components (HPMC) and Advanced Alloys & Solutions (AA&S) segments. The HPMC segment consists of the production of materials, parts, and components for aerospace and defense, medical, and energy markets. The Advanced Alloys & Solutions (AA&S) segment includes the production of nickel-based alloys, specialty alloys, titanium and titanium-based alloys, and stainless steel. The company was founded on August 15, 1996 and is headquartered in Dallas, TX.