There are no second chances here. These pilots count on ESI to guarantee that our switches work right the first time and the next. And that's why some of the world's toughest customers have switched to ESI. We design and manufacture numerous electrical switches, rotary potentiometers and miniature joysticks for a variety of aerospace & defense applications such as Ground-Based Weapons Systems, Rotary and Fixed-Wing Aircraft, High-Fidelity Simulators and Hands-On Throttle and Stick (HOTAS) Grips for some of the world's finest programs, including the world-class F-35 Joint Strike Fighter.