AYESAŞ (also known as Aydin Yazilim ve Elektronik Sanayi) is a company that provides design, development, and build-to-print manufacturing solutions for the aerospace and defense industries. It offers command, control, communications, computer, intelligence, surveillance, and reconnaissance (C4ISR) services in system design integration, software development, requirements analysis, integrated logistics support, and project management. The company designs and produces electromechanical systems such as consoles, cabinets, wiring harnesses, printed circuit boards (PCBs), and computers.