IEH Corp

IEH Corporation

Overview

IEH designs and manufactures Hyperboloid interconnect connectors and contacts for high-reliability, rugged applications. The company’s core niche is Hyperboloid contact designs used in printed wiring board (PCB) style connectors. Primary end markets include defense, commercial aerospace, space launch, medical, oil & gas, and industrial applications.

Products and capabilities

• Hyperboloid connectors and contacts for PCB-style interconnects.
• HBH Hybrid Power/Signal Hyperboloid Connectors with a configuration tool to build custom connectors and download 3D models.
• Custom engineering services to design and develop connectors for specific customer applications.
• Certifications: Military Specification QPL (Qualified Product Listing) and ISO 9001:2015.

Markets and revenue mix (fiscal years ended March 31, 2026 and 2025)

• Defense: 63.2% (2026) and 65.7% (2025) of net revenues.
• Commercial aerospace: 25.2% (2026) and 19.9% (2025) of net revenues.
• Other markets (commercial space launch, medical, oil & gas, industrial): 11.6% (2026) and 14.4% (2025) of net revenues.
• International sales: 5.8% (2026) and 5.7% (2025).
• Sales channels: Independent sales representatives and distributors accounted for about 75% of net sales in the year ended March 31, 2026; the remainder was sold via direct customer contact.
• Customer concentration: Two customers accounted for 34.0% of net revenues in 2026 (23.5% and 10.5%); two customers accounted for 31.9% in 2025 (17.8% and 14.1%).

Backlog and production cycle

• Backlog: $27,782,000 as of March 31, 2026; $12,445,000 as of March 31, 2025.
• Delivery/fulfillment: Orders are typically filled and shipped within 12 to 24 weeks. Backlog generally consists of supply arrangements anticipated to ship within about 12 months.
• Backlog includes orders that may be canceled or rescheduled and is not a guaranteed predictor of future revenue.

Operations, facilities, and geography

• Headquarters and primary manufacturing/operations: Brooklyn, New York.
  • 140 58th Street, Suite 8E — approximately 20,400 sq ft total (about 6,000 sq ft executive/administrative; 14,400 sq ft manufacturing/testing/plating).
  • Remaining minimum annual rent: $1,508,049 (as of March 31, 2026).
• Allentown, Pennsylvania facility:
  • 200 Cascade Drive, Bldg. 2, Suite H — approximately 28,800 sq ft total (about 4,800 sq ft admin; 24,000 sq ft manufacturing/testing).
  • Remaining minimum annual rent: $573,639 (as of March 31, 2026).

Employees and labor relations

• Total employees: 176 as of March 31, 2026 (174 full-time).
• About half of the manufacturing/testing workforce is covered by a collective bargaining agreement with the United Auto Workers (Local 259); the contract expires March 31, 2027.

Ownership and corporate governance

• Family-managed business. CEO and President: David Offerman, great-grandson of founder Louis Offerman.
• The Offerman family owned about 44% of the common stock as of June 12, 2026 and generally votes together on shareholder matters, providing substantial influence over corporate actions.
• The company has elected reduced disclosure as a smaller reporting company under SEC rules.

Notes

IEH positions itself as a high-reliability, niche connector manufacturer focused on Hyperboloid interconnects, with emphasis on defense and aerospace markets and ongoing development of hybrid connector solutions. The company highlights custom engineering capabilities and government-qualified product listings, and it continues investments in a perpetual SAP-based system, with related remediation efforts underway.