# Seyer Industries

Seyer Industries is a Manufacturing based in Duxbury, United States.

## Overview

- **Organization type:** Manufacturing
- **Headquarters:** Duxbury, United States
- **Region:** North America
- **Address:** Duxbury, MA, United States
- **Founded:** 1957
- **Assets under management:** Undisclosed
- **Website:** seyerind.com
- **LinkedIn:** https://www.linkedin.com/company/seyerindustries

## Regulatory record

- **Reports private funds:** No

## About

Founded in 1957, Seyer Industries is a privately held aerospace and defense manufacturer headquartered in Duxbury, Massachusetts. The company's wealth origin is not publicly attributed to any specific family or individual; its ownership structure remains undisclosed. Seyer Industries focuses on precision machining, fabrication, and post-processing assembly for aircraft, maritime, and support equipment. The firm works with aluminum and hard alloys, and lists the US Navy's Vertical Launch System as a key program. It also produces complex support equipment for military customers. The company emphasizes vertical integration across its operations, including final assembly and testing. Its customer base spans both military and commercial aerospace sectors, though specific named portfolio companies or contracts are not disclosed on its website. The firm reports having over 300 employees, 130 CNC machines, and more than 340,000 square feet of manufacturing space, with significant investment in the business over the last five years. Additional offices are located in Arlington, Washington; Seattle, Washington; and Ann Arbor, Michigan. A structural differentiator is the company's longevity and focus on U.S. defense supply chain, having been in business for over 65 years.

## Sectors

- Aerospace Engineering
- Precision Machining
- Defense Manufacturing

## Offices

- Arlington, WA
- Seattle, WA
- Ann Arbor, MI

## Questions

### Who owns Seyer Industries?

The ownership of Seyer Industries is not publicly disclosed. The firm's website does not list founders, principals, or a parent company, and no public records indicate a specific family or entity as the owner.

### What does Seyer Industries manufacture?

Seyer Industries specializes in precision machining of aluminum and hard alloys for aircraft parts and assemblies, maritime components for the US Navy's Vertical Launch System, and complex support equipment for military clients (per the firm's website).

### Is Seyer Industries involved in defense contracts?

Yes, the company identifies as a key supplier of structural components for the US Navy's Vertical Launch System and produces support equipment for military customers (per the firm's website).

### How large is Seyer Industries in terms of employees and facilities?

The firm reports over 300 employees, more than 340,000 square feet of manufacturing space, and over 130 CNC machines (per Seyer Industries website).

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Last updated: 2026-08-11T02:43:31.692Z

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