TransDigm is a global designer, producer and supplier of highly engineered, proprietary aerospace components integral to the operation of commercial and military aircraft worldwide. The company manufactures and sells critical parts across three segments—Power & Control (actuators, ignition systems, pumps, valves, sensors, and other mechanical/electrical controls), Airframe (latching devices, seals, cockpit systems, seatbelts, and safety equipment), and Non-aviation applications (transportation safety restraints, space and energy sector components)—with approximately 90% of sales derived from proprietary products. TransDigm generates revenue from both original equipment manufacturers and an extensive aftermarket business spanning airlines, distributors, and defense customers, with aftermarket sales typically providing higher margins and greater stability; the company's products remain in service for extended lifecycles of 25–30 years or longer, creating recurring revenue opportunities. The business pursues growth through a combination of operational excellence in cost management and new business development, alongside a selective acquisition strategy targeting proprietary aerospace components with significant aftermarket potential.