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Our Story

4th-Generation Family-run, Manufactured in the USA for Over 75 Years.

Louis Offerman, Founder and 1st President of IEH, with his son Bernard, the 2nd President, Circa 1917.

Since 1941, IEH Corporation has been manufacturing superior products for demanding applications. Whether it’s printed circuit board connectors, signal or power contacts, or custom interconnects, our focus is delivering the right connector solution for your application. Our interconnects and contacts employ hyperboloid connector technology, an advanced, proven interface designed specifically for the most stringent requirements and harshest environments.

Our Original Hyperboloid Connectors

In addition to our standard line of PCB connectors and contacts, IEH specializes in custom and application-specific interconnect solutions. Our team of engineers will work closely with you to help define your requirements and needs, to ensure we design and develop the precise connector for your application. All of our connector solutions employ the Hyperboloid contact, whose unparalleled reliability ensures superior performance and the lowest cost of ownership.

IEH is QPL’d to Mil-DTL-55302, and we are ISO9001:2015 Certified. Please contact our Sales Dept. for any supporting documentation.

See some of our application-specific solutions, and please let us know how we can support you!

  • Aerospace

  • Defense

  • Medical

  • Test Equipment

  • Commercial