Phone - 951.738.2000
Contact Us

About Jayco

Jayco mmi, Inc. is an ISO 9001 and AS 9100C certified provider of custom Human Machine Interface (HMI) solutions for defense, aerospace, medical, security, communications, mobile, industrial, and other professional grade products.

Established in 1980 Jayco is recognized as the leading supplier of custom user interfaces, control panel assemblies, switches, and keypads for professional and other demanding applications.

We are a Minority Woman Owned Small Business with an excellent record of quality and performance, and are committed to providing superior products and high value services.  Jayco is ITAR registered and an acclaimed supplier of HMI equipment for tough military and aerospace applications.

As a sepcialist HMI user interface manufacturer we have evolved to meet the growing demands of customers who want more sophisticated products, with more options and increased functionality. Our product range includes:

  • complete HMI systems
  • capacitive switches and touch panels
  • display panels and products
  • mechanical switch assemblies
  • elastomeric keypads
  • membrane switches


all of which are available with an array of complementary technlogies, including electronic displays, communications interfaces, and enclosures to make sophisticated multi-function assemblies that save time and money. Creative solutions made possible by our award winning design and engineering team.

In brief, the advantages Jayco offers are:

  • Experts in professional user interfaces for any application
  • Complete design, engineering, and manufacturing services
  • Ability to tame harsh environments - to MIL-STD-810
  • Thrive in "can't fail" applications
  • Shielding for RFI/EMI/EMP to MIL-STD-461
  • Sealed to IP68
  • Work in any lighting conditions - from sunlight to NVIS
  • Integrate switches, displays, bezels, communications, etc., in one assembly
  • High value, high performance, high reliability products
  • Custom designed to your exact requirements


Call us with you challenge and see how we can solve your problems.


jayco building
Ruggedized Military Keyboards & Membrane Switches | | Custom keypads & Advanced Input Devices