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OTTO Engineering designs and manufactures innovative two-way radio accessories developed for high-precision applications. OTTO specializes in tactical communication headsets, push-to-talk (PTT) systems and multi-port hubs, speaker microphones, cable assemblies for interfacing accessories to radios, tactical surveillance kits, and wireless intercoms for virtually all radio platforms. For 60 years, OTTO’s products have been recognized for excellence by military, law enforcement agencies, public safety agencies and retail and commercial customers worldwide.

OTTO is a vertically integrated manufacturer with in-house injection molding, stamping, CNC machining, cable assembly and cable overmolding capabilities. Our strong mechanical, electrical and RF Design Engineering capability, world-class test lab and computer controlled production line testing is unmatched in the industry. OTTO markets its products through three divisions, OTTO Controls,  OTTO Communications, and Dies Plus.

Located in Carpentersville, IL, U.S.A., OTTO’s products are proudly made in America.

  • Over 50 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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Dies Plus

Our facility has complete engineering capabilities for designing, building, debugging and maintaining short run tooling, to high speed, large volume stamping dies. Complete jobs from Three Dimensional model or piece part print to completed finished part running continuous under power.

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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

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