AAI's businesses range from tactical unmanned aircraft systems for the U.S. Army and allied armed forces to training and simulation systems, automated aircraft test and maintenance equipment, armament systems, logistical and engineering services, and other leading-edge technology solutions for aerospace and defense.

Currently, more than half the world's general aviation fleet, both rotary and fixed wing, is powered by Lycoming® piston engines. Lycoming produces the most complete line of horizontally opposed, air cooled four, six, and eight cylinder aircraft engines available, with power ranging from 100 to 400 HP.

Overwatch is a leading provider of integrated intelligence software solutions and services that simplify intelligence analysis and exploitation.

Textron Defense Systems manufactures air launched weapons, smart submunitions, intelligent battlefield munitions and sensor systems, and ground and airborne surveillance systems.

Textron Marine & Land Systems is a world leader in the design, production, and support of advanced marine craft, light armored combat vehicles, turrets and related subsystems.