Spirit AeroSystems Holdings, Inc. is a leading aerospace and defense company based in the United States. Specializing in manufacturing aerostructures, including fuselages, cockpits, wing sections, engine pylons, and nacelles for both commercial and military aircraft. With an ESG risk rating score of 30.0, the company is considered to have a medium risk assessment. A major player in the industry, Spirit AeroSystems is the largest independent supplier of aerostructures for commercial aircraft, with Boeing and Airbus being its primary customers. Boeing alone makes up about 60% of the company's revenue, with Airbus accounting for roughly 20%. Notably, the company is heavily reliant on Boeing's 737 program, which contributes to almost half of its revenue.