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About Us

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. 

  • About 100 Full-Time Engineers

  • Satisfied Clients in Every Corner of the Globe

  • In-House Software Design and Development

  • Vertically Integrated Manufacturing


OTTO Controls

OTTO Controls' switches and operator controls solutions deliver long-lasting reliability for demanding applications around the world, including construction, agriculture, military, aerospace, mining, marine and material handling.

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OTTO Communications

OTTO Communications specializes in accessories for the two-way radio market including surveillance kits, wireless accessories, lightweight and heavy-duty headsets, speaker microphones, tactical, fire & HAZMAT communications equipment.

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  • Vertically Integrated Manufacturing

  • Full Production Capability - Small to Large Quantities

  • Strong Technical Experience

  • Over 250,000 Square Feet of Manufacturing Space

  • Responsive Service

  • Manufacturing Design, Development and Test Experience

  • A2LA Accredited Testing Laboratory

  • Short Lead Times