Our Story

4th-Generation Family-run, Manufactured in the USA for Over 70 Years

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

Since 1937, IEH 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 connectors and contacts employ Hyperboloid contact 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. We are ISO9001:2008 Certified, and we’re a Small-Biz HubZone provider. 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!