Embraer S.A. operates through four primary business segments: Commercial Aviation, Executive Aviation, Defense & Security, and Services & Support. The Commercial Aviation division focuses on regional and narrowbody passenger jets, notably the E-Jet and E2 families, which serve airlines globally. The Executive Aviation segment produces a range of business jets, including the Phenom and Praetor lines, catering to corporate and private clients. In the Defense & Security sector, Embraer develops military transport aircraft, such as the C-390 Millennium, and light attack aircraft like the Super Tucano. Additionally, the company's Services & Support division provides maintenance, repair, and overhaul (MRO) services, ensuring long-term recurring revenue. With a global footprint spanning the Americas, Europe, and Asia, Embraer maintains a strong competitive position in the mid-sized aircraft market.