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Geben Sie eine MIL-SPEC- oder eine IEH-Teilenummer ein. MIL-SPEC-Nummern sollten mit “M55302/” beginnen, gefolgt vom Rest der Teilenummer. Für IEH-Teilenummern geben Sie bitte die ersten acht Zeichen ein.

Unsere Geschichte

SEIT VIER GENERATIONEN IM FAMILIENBESITZ, SEIT ÜBER 75 JAHREN IN DEN USA HERGESTELLT.

Our company history began in New York City in 1941, when Louis Offerman and his two sons, Bernard and Seymour, founded a tool and die maker to support the war effort during WWII.

Following the war, we began making transistor and tube sockets for the nascent consumer electronics industry. We transitioned to supplying cathode ray tubes for the US television industry, and by the 1960’s we were the largest manufacturer of CRT sockets in the world.

In the late 1960’s we bought a license to manufacture Hyperboloid sockets, and began making printed circuit board connectors for the military and aerospace industries, under Mil-DTL-55302. We’ve been making these connectors ever since, and today, we’re one of the worldwide leaders in Hyperboloid connectors and contacts.

From the outer reaches of space to the lowest depths of the ocean, see how IEH has been innovating for 80 years.

Our History

  • 80 Years of Experience

  • 1941

    IEH founded as L. Offerman Tool and Die, 1941, by Louis Offerman and his two sons, Bernard and Seymour.

    Louis Offerman in IEH’s original factory, 1941
  • 1941-1945

    IEH produces tools and dies in support of the war effort during WWII.

    IEH’s first home, 109 Prince St in Manhattan
  • Post-WWII

    IEH begins producing transistor sockets for consumer electronics

  • 1950s-1960s

    IEH goes public, begins producing cathode ray tube (CRT) sockets for the television industry. Becomes the largest CRT manufacturer in the world, shipping 70M annually.

  • 1960s-1970s

    IEH begins manufacturing hyperboloid contacts, obtains gov’t approval to produce Mil-DTL-55302 connectors, and begins transitioning from CRT sockets to Mil-Spec PCB connectors for defense and aerospace

    Louis Offerman and his two sons Bernard and Seymour at IEH, 1965
  • 1980s-1990s

    IEH business in Mil-DTL-55302 “takes off”, due to customer demand for lower insertion forces.

    Seymour Offerman, then President of IEH, with his nephew Michael Offerman, then VP of Sales, 1986.
  • 1990s

    IEH moves from Manhattan to Brooklyn, and expands our product lines.

    Brooklyn Army Terminal, IEH’s home since 1992
  • 80 Years of Excellence

  • 2000s-Present

    IEH continues to be one of the world’s leading producers of Hyperboloid connectors and contacts, and continues to diversify and expand product offerings.

    Former President and CEO Michael Offerman and his son, IEH’s current President and CEO Dave Offerman, 2010
  • OTC Marketplace Interview With IEH’s President/CEO Dave Offerman, February 13, 2020

Let’s Work Together

Contact Us

Contact Us

IEH Corporation
140 58th Street 8E
Brooklyn, NY 11220

718-492-4448 Tel
718-492-9898 Fax
[email protected]

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