OTTO Engineering is a U.S. manufacturer that markets its products through two divisions, OTTO Controls and OTTO Communications. In-house injection molding, stamping, CNC machining, cable assembly and cable overmolding capabilities are offered through OTTO's Dies Plus division.

Since its founding in 1961, OTTO has been designing and manufacturing controls switches, later adding audio accessories for unique and demanding applications. Headquartered in Carpentersville, Illinois, OTTO is recognized worldwide for superior performance and innovative products.

OTTO is a vertically integrated manufacturer with strong mechanical, electrical and RF design engineering capabilities, a world-class test lab and computer-controlled production line testing that are unmatched in the industry.