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About Us

OTTO markets its products through two divisions, OTTO Controls and OTTO Communications, and offers in-house injection molding, stamping, CNC machining, cable assembly and cable overmolding capabilities through Dies Plus.

Since 1961, OTTO has been designing and manufacturing a full line of control switches, and for more than 25 years, audio accessories for unique and demanding applications. Located in Carpentersville, Illinois, we are recognized worldwide for superior performance and innovative products.

OTTO is a vertically integrated manufacturer, and our strong mechanical, electrical and RF Design Engineering capability, world-class test lab and computer-controlled production line testing is unmatched in the industry. 

  • More than 60 Full-Time Engineers

  • Satisfied Clients in Every Corner of the Globe

  • In-House Software Design and Development

  • Vertically Integrated Manufacturing


Our switches and control grips perform every day in some of the toughest applications including heavy equipment, aerospace, marine, medical, communication and other demanding markets.

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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