Verified Nov 2026
Electronics & Software
·
Vancouver, Washington
·
Since 1979
SEH America, headquartered in Vancouver, Washington, manufactures high-purity semiconductor silicon and silicon wafers for automotive, medical, renewable energy, and electronics industries. Founded in 1979, the company employs 500–1,000 people and generates estimated revenue of $250–500 million annually. A subsidiary of Shin-Etsu Handotai, SEH America produces single-crystal ingots, polished wafers, epitaxial wafers, and SOI wafers, along with custom solutions and engineering support.
SEH America at a glance
Revenue
$250-500M
Est. band
Employees
500-1,000
Founded
1979
Headquarters
Vancouver, Washington
Certifications
IATF 16949 · ISO 14001 · ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Medical
Plumbing & Hardware
Renewable Energy
STABILITY SIGNALS
Established & active
47 years in operation (founded 1979).
Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Overview
SEH America, headquartered in Vancouver, Washington, manufactures high-purity semiconductor silicon and silicon wafers for automotive, medical, renewable energy, and electronics industries. Founded in 1979, the company employs 500–1,000 people and generates estimated revenue of $250–500 million annually. A subsidiary of Shin-Etsu Handotai, SEH America produces single-crystal ingots, polished wafers, epitaxial wafers, and SOI wafers, along with custom solutions and engineering support.
At a glance
Attribute | Detail |
|---|---|
Founded | 1979 |
Headquarters | Vancouver, Washington |
Employees | 500-1,000 |
Revenue | $250-500M (estimated) |
Primary capability | Electronics & Software |
Certifications | IATF 16949 · ISO 14001 · ISO 9001 |
What SEH America makes
The company holds IATF 16949, ISO 14001, and ISO 9001 certifications and manufactures 300mm polished wafers, epitaxial wafers, and wafers for MEMS applications.
Products and capabilities described on the company's own site include Electronics, Semiconductor (source: sehamerica.com).
Certifications
SEH America is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — sehamerica.com
ISO 14001 — sehamerica.com
ISO 9001 — sehamerica.com
Latest developments
2026-03-28 — About Us - SEH America (sehamerica.com)
2026-03-13 — SEH America | Leader in Silicon Wafer Manufacturing in USA (sehamerica.com)
2026-03-02 — SEH Expands Florida Presence with New Office in Panama City (sehinc.com)
2025-12-20 — 👏 Empowering Semiconductor Excellence: SEH America Partners with Amerlab | Amerlab Scientific - Lowering Blanks (linkedin.com)
2025-11-21 — SEH Accelerates National Growth Strategy with New Offices in Arizona and Kansas (sehinc.com)
2025-09-23 — SEH Opens New Office in Wichita, Kansas (sehinc.com)
Facilities
SEH America is headquartered in Vancouver, Washington. Public sources also reference these locations:
Vancouver, WA — linkedin.com
Vancouver, Washington — sehamerica.com
Geneva, Switzerland — sehamerica.com
Company details
SEH America is a subsidiary of Shin-Etsu Handotai and supplies semiconductor materials to customers across consumer electronics, automotive, telecommunications, and medical device sectors. SEH America was founded in 1979, has an estimated 500-1,000 employees, and is headquartered in Vancouver, Washington. On the LightSource stability read it is rated "Established & active": 47 years in operation (founded 1979). Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does SEH America make?
SEH America, headquartered in Vancouver, Washington, manufactures high-purity semiconductor silicon and silicon wafers for automotive, medical, renewable energy, and electronics industries. Founded in 1979, the company employs 500–1,000 people and generates estimated revenue of $250–500 million annually. A subsidiary of Shin-Etsu Handotai, SEH America produces single-crystal ingots, polished wafers, epitaxial wafers, and SOI wafers, along with custom solutions and engineering support.
Where is SEH America headquartered?
SEH America is headquartered in Vancouver, Washington (4111 Northeast 112th Avenue, Vancouver, Washington, 98682).
When was SEH America founded?
SEH America was founded in 1979.
How big is SEH America?
SEH America has an estimated 500-1,000 employees, with revenue in the $250-500M range (estimated).
What certifications does SEH America hold?
SEH America lists IATF 16949 · ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Related suppliers
Explore other suppliers in the LightSource directory:
Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 360-883-7000
Certification
IATF 16949 · ISO 14001 · ISO 9001
Evaluating suppliers like these?
This profile comes from a public-data sample of around 1,000 companies. Book a demo to see the full LightSource marketplace and supplier discovery platform — 1M+ credible suppliers, with AI-run sourcing events.