Verified Nov 2026
Metal Fabrication
·
Beaverton, Oregon
·
Since 1944
ESI, an MKS Brand, makes laser-based micro-manufacturing systems and component test and inspection equipment for electronics production. It is headquartered in Beaverton, Oregon, and was founded in 1944. The company has 1,000 to 5,000 employees and has been a subsidiary of MKS Instruments since 2019. Its products serve automotive, electric-vehicle, electronics, medical, plumbing-hardware, and industrial-equipment industries, with PCB, semiconductor, and electronics applications among its listed products. Recent activity includes participation in the CPCA Show 2026 in March 2026.
ESI an MKS Brand at a glance
Employees
1,000-5,000
Founded
1944
Headquarters
Beaverton, Oregon
Certifications
ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Medical
Plumbing & Hardware
Industrial Equipment
STABILITY SIGNALS
Established & active
82 years in operation (founded 1944).
Holds ISO 9001 certification(s) per public sources.
Overview
ESI, an MKS Brand, makes laser-based micro-manufacturing systems and component test and inspection equipment for electronics production. It is headquartered in Beaverton, Oregon, and was founded in 1944. The company has 1,000 to 5,000 employees and has been a subsidiary of MKS Instruments since 2019. Its products serve automotive, electric-vehicle, electronics, medical, plumbing-hardware, and industrial-equipment industries, with PCB, semiconductor, and electronics applications among its listed products. Recent activity includes participation in the CPCA Show 2026 in March 2026.
At a glance
Attribute | Detail |
|---|---|
Founded | 1944 |
Headquarters | Beaverton, Oregon |
Employees | 1,000-5,000 |
Primary capability | Metal Fabrication |
Certifications | ISO 9001 |
What ESI an MKS Brand makes
ESI holds ISO 9001 certification and offers laser processing systems for flexible and high-density interconnect PCBs along with automated testing systems for passive components.
Products and capabilities described on the company's own site include PCB, Semiconductor, Electronics (source: esi.com).
Certifications
ESI an MKS Brand is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — mks.com
Latest developments
2026-06-15 — Press Releases - MKS Instruments (mks.com)
2026-06-03 — MKS’ Atotech and ESI to highlight integrated PCB and advanced ... (atotech.com)
2026-03-24 — Day 1 at the CPCA Show 2026 is off to an incredible start! We had a packed first day filled with in‑depth conversations, fresh insights, and a lot of excitement around the … | ESI an MKS Brand (linkedin.com)
2026-03-03 — The MKS’ ESI and Atotech teams are excited to welcome you to APEX Expo 2026, Anaheim, Booth 3626! Join us in Anaheim to discover smarter, more sustainable, and highly scalable solutions for … | ESI an MKS Brand (linkedin.com)
2025-11-06 — MKS Q3 Revenue At High End of Guidance | ESI an MKS Brand (linkedin.com)
2025-10-14 — MKS’ Atotech and ESI to participate in TPCA Show & IMPACT Conference 2025 - Atotech (atotech.com)
Company details
ESI operates as a subsidiary of MKS Instruments, a publicly traded parent company, and its equipment is used by semiconductor, passive component, and consumer electronics manufacturers. ESI an MKS Brand was founded in 1944, has an estimated 1,000-5,000 employees, and is headquartered in Beaverton, Oregon. On the LightSource stability read it is rated "Established & active": 82 years in operation (founded 1944). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does ESI an MKS Brand make?
ESI, an MKS Brand, makes laser-based micro-manufacturing systems and component test and inspection equipment for electronics production. It is headquartered in Beaverton, Oregon, and was founded in 1944. The company has 1,000 to 5,000 employees and has been a subsidiary of MKS Instruments since 2019. Its products serve automotive, electric-vehicle, electronics, medical, plumbing-hardware, and industrial-equipment industries, with PCB, semiconductor, and electronics applications among its listed products. Recent activity includes participation in the CPCA Show 2026 in March 2026.
Where is ESI an MKS Brand headquartered?
ESI an MKS Brand is headquartered in Beaverton, Oregon.
When was ESI an MKS Brand founded?
ESI an MKS Brand was founded in 1944.
How big is ESI an MKS Brand?
ESI an MKS Brand has an estimated 1,000-5,000 employees.
What certifications does ESI an MKS Brand hold?
ESI an MKS Brand lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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