Verified Nov 2026
Electronics & Software
·
Renton, Washington
·
Since
Sekisui Aerospace Corporation is headquartered in Renton, Washington, United States. The company makes electronics and software for aerospace and other sectors, with a 500-1,000 employee size band and an estimated revenue band of $100-250M. It serves the automotive, electric-vehicle, medical, military-defense, renewable-energy, and industrial-equipment industries. Its reported customers include Boeing. Founding year and ownership are not confirmed in the record.
Sekisui Aerospace Corporation at a glance
Revenue
$100-250M
Est. band
Employees
500-1,000
Headquarters
Renton, Washington
Certifications
AS9100 · ITAR registered · Nadcap
Industries
Automotive
Electric Vehicles
Medical
Military & Defense
Renewable Energy
Industrial Equipment
Overview
Sekisui Aerospace Corporation is headquartered in Renton, Washington, United States. The company makes electronics and software for aerospace and other sectors, with a 500-1,000 employee size band and an estimated revenue band of $100-250M. It serves the automotive, electric-vehicle, medical, military-defense, renewable-energy, and industrial-equipment industries. Its reported customers include Boeing. Founding year and ownership are not confirmed in the record.
At a glance
Attribute | Detail |
|---|---|
Headquarters | Renton, Washington |
Employees | 500-1,000 |
Revenue | $100-250M (estimated) |
Primary capability | Electronics & Software |
Certifications | AS9100 · ITAR registered · Nadcap |
What Sekisui Aerospace Corporation makes
The company holds AS9100, ITAR registration, and Nadcap certifications, and its listed products include machining, assembly, composite, and gear work.
Products and capabilities described on the company's own site include Machining, Assembly, Composite, Gear (source: sekisuiaerospace.com).
Certifications
Sekisui Aerospace Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
AS9100 — sekisuiaerospace.com
ITAR registered — brinztech.com
Nadcap — linkedin.com
Known customers
The counterparties below come from public sources that state the relationship directly. A shared counterparty does not by itself establish a current buying relationship unless the source says so:
Boeing — reported by brinztech.com
Latest developments
2026-11-04 — R&D Engineer III - Composites Aerospace Manufacturing job in Renton, Washington at Sekisui Aerospace | Search Jobs Nearby or Remote Jobs (justjobs.com)
2026-09-10 — It was a pleasure to welcome Debi Durham and some of the Iowa Economic Development Authority team to our Orange City facility. We're always proud to showcase the incredible work of our … | SEKISUI Aerospace / Orange City Operations (linkedin.com)
2026-07-21 — I'd like to share that I've accepted a new position as Supply Chain Director at Sekisui Aerospace. I'll be focused on strategic development and look forward to this next chapter! | John Egger (linkedin.com)
2026-05-04 — After five incredible years, it is time for my next chapter. I am thrilled to share that I have joined the team at SEKISUI Aerospace Corporation as the Director of Business Development. | Semaan Farah (linkedin.com)
2025-11-21 — Database of SEKISUI Aerospace (Tier-1 Supplier) is on Sale (brinztech.com)
2025-11-19 — A 53GB archive of sensitive ITAR-controlled aerospace data stolen from SEKISUI Aerospace is being sold, including technical drawings, 3D models, BOMs, and specs on carbon fiber, aluminum, and titanium parts. | Hendry Rahardja (linkedin.com)
Company details
The company's size band is 500-1,000 employees and it is not publicly listed. Sekisui Aerospace Corporation has an estimated 500-1,000 employees, and is headquartered in Renton, Washington.
Frequently asked questions
What does Sekisui Aerospace Corporation make?
Sekisui Aerospace Corporation is headquartered in Renton, Washington, United States. The company makes electronics and software for aerospace and other sectors, with a 500-1,000 employee size band and an estimated revenue band of $100-250M. It serves the automotive, electric-vehicle, medical, military-defense, renewable-energy, and industrial-equipment industries. Its reported customers include Boeing. Founding year and ownership are not confirmed in the record.
Where is Sekisui Aerospace Corporation headquartered?
Sekisui Aerospace Corporation is headquartered in Renton, Washington.
How big is Sekisui Aerospace Corporation?
Sekisui Aerospace Corporation has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).
What certifications does Sekisui Aerospace Corporation hold?
Sekisui Aerospace Corporation lists AS9100 · ITAR registered · Nadcap on its website. Confirm the certified scope for the specific plant producing your part.
Who are Sekisui Aerospace Corporation's customers?
Public sources directly reference Boeing as a counterparty of Sekisui Aerospace Corporation. Confirm current programs with the company, as reported relationships may change.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
'+1 425-235-2750
Certification
AS9100 · ITAR registered · Nadcap
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