IEH Corporation, founded in 1941 and family-managed, specializes in high-reliability hyperboloid connectors for aerospace, defense, medical, and industrial applications.

# IEH Corporation Summary

## Company Overview
- **Founded:** 1941 in New York, NY; incorporated in March 1943
- **Type:** Family-managed business
- **CEO:** David Offerman (great-grandson of founder Louis Offerman)

## Core Business
- Specializes in designing, developing, and manufacturing **Hyperboloid connectors** that surpass military and aerospace standards.
- Developed this technology in the late 1960s, licensing Hyperboloid sockets for PCB connectors.
- **Main Product:** Hyperboloid connectors and contacts used in demanding high-reliability environments.

## Market Applications
- Used in:
  - Military and defense equipment (e.g., missiles, torpedoes)  
  - Commercial aerospace 
  - Avionics platforms
  - Engine control systems
  - Satellites and rocket launchers
  - Medical devices
  - Industrial and environmental controls
  - Test equipment
  - Pin grid array (PGA) sockets
- Serves a broad range of customers in defense, aerospace, medical, space, oil & gas, industrial sectors, and space launch companies.

## Customers & Revenue
- **Customers:** Major clients include defense contractors, aerospace manufacturers, medical device companies, oil & gas firms, and space launch companies.
- **Customer Concentration:** 
  - In 2025, two customers accounted for 31.9% of net sales (17.8% and 14.1%). 
  - In 2024, two customers accounted for 29.9% of net sales (17.5% and 12.4%).
- **Sales Distribution (FY 2025 & 2024):** 
  - Defense: 65.7% (2025), 60.6% (2024)
  - Commercial aerospace: 19.9% (2025), 27.3% (2024)
  - Commercial space, medical, oil and gas, industrial: 14.4% in 2025, 12.1% in 2024.
- **Revenue:** 
  - 2025: approximately **$28.78 million**
  - 2024: approximately **$21.52 million**

## Employees
- **Total Employees (2025):** 164 (all full-time)
- The majority are involved in manufacturing and testing activities.
- Most unionized employees (via United Auto Workers, Local 259) with a contract expiring in 2027.

## Business Operations
- Manufactures products primarily to customer specifications, often custom-designed.
- Uses proprietary Hyperboloid contact technology, serving a niche market with high-performance, high-reliability connectors.
- Maintains ISO 9001:2015 certification and a Military Specification Qualified Product Listing (QPL).

## Product Development & Marketing
- Continuously expands PCB connector offerings.
- Introduces high-speed data transmission and hybrid power/signal connectors.
- Works closely with customer engineers on custom solutions.
- Markets directly and through 21 independent sales representatives and distributors across the U.S., Canada, EU, Southeast Asia, Central Asia, Middle East, and China.
- International sales make up approximately 5.7% (2025) and 8.5% (2024) of total revenue.

## Financial Highlights
- **Net Income (2025):** approximately **$999,038**
- **Backlog of Orders (2025):** approximately **$12.45 million** (down from $18.29 million in 2024)
- Focus on expanding product lines and technological innovations.

## Facilities
- Brooklyn, NY manufacturing facility (leased through 2030)
 - 20,400 sq. ft. (6,000 office, 14,400 production)
- Allentown, PA manufacturing (leased through 2028)
 - 28,800 sq. ft. (4,800 office, 24,000 production)

The company emphasizes high-quality performance in rugged environments and maintains a family-led leadership with ongoing R&D and customer collaboration to meet demanding technological standards.

IEH Corporation manufactures hyperboloid connectors and interconnect solutions primarily for defense and aerospace industries.

# IEH Corporation Overview

## Company Background
- **Founded:** 1941 in New York, New York
- **Incorporated:** March 1943 as L. Offerman Tool & Die by Louis Offerman and his two sons.
- **Current Leadership:** David Offerman, great-grandson of the founder, serves as the President and CEO.

## Core Business
- **Primary Products:** 
  - Hyperboloid connectors and contacts for printed circuit boards (PCBs).
  - Custom interconnect solutions tailored to client specifications.

- **Applications of Products:**
  - Aerospace (military and commercial)
  - Defense systems (including missiles, torpedoes, and avionics)
  - Medical devices
  - Industrial and environmental controls
  - Test equipment
  - Oil and gas exploration
  - Commercial space launch.

### Product Offerings
- **Types of Connectors:**
  - High-speed connectors for data transmission.
  - Hybrid power/signal connectors.
  
- **Standards Compliance:**
  - Military Specification QPL (Qualified Product Listing).
  - ISO 9001:2015 Certification for quality management.

## Market Position
- **Sales Breakdown (FY ended March 31):**
  - **2024:**
    - Defense Applications: 60.6% 
    - Commercial Aerospace: 27.3%
    - Other (Medical, Oil & Gas, Industrial, Space Launch): 12.1%
  - **2023:**
    - Defense Applications: 56.3%
    - Commercial Aerospace: 25.7%
    - Other: 18.0%

## Customer Base and Sales
- **Customer Segments:**
  - Over 1,700 customers, including defense contractors, aerospace manufacturers, medical device manufacturers, oil and gas firms, and commercial space companies.
  
- **Sales Distribution:**
  - Direct sales and through 21 independent sales organizations globally.
  - Approximately 78% of net sales derived through independent sales representatives.

- **Net Sales Statistics:**
  - **FY 2024:** Approximately $30 million net revenue.
  - Major customers contributed to 29.9% of net revenues: 
    - One customer at 17.5%,
    - Another at 12.4%.

## Employee Data
- **Total Employees:** 155 as of March 31, 2024, with 154 being full-time.
- Labor Agreement: Most manufacturing employees are covered by a collective bargaining agreement, recently renewed for three years as of June 2024.

## Financial Overview
- **Backlog of Orders:** 
  - As of March 31, 2024, the backlog amounted to approximately $18.3 million, up from $13.7 million the previous year, indicating increased demand for defense products.
  
## Conclusion
IEH Corporation is a specialized manufacturer of high-performance Hyperboloid connectors with a focus on innovative solutions for defense, aerospace, and other high-demand industries. Its ability to adapt to customer needs, coupled with a solid history of product reliability, positions the company as a leader in its niche market.

IEH Corp

10-K / June 12, 2025

10-K / June 14, 2024

10-K / June 12, 2025

IEH Corporation Summary

Company Overview

Core Business

Market Applications

Customers & Revenue

Employees

Business Operations

Product Development & Marketing

Financial Highlights

Facilities