Verified Nov 2026
Batteries & E-Mobility
·

Courbevoie, Ile-de-France
·
Since 1891
Mersen USA EP Corp is part of Mersen, a France-headquartered company in Courbevoie founded in 1891. The group makes electrical power products and advanced materials, including graphite parts, carbon brushes, and industrial fuses. It employs roughly 5,000 to 10,000 people, reports revenue in the $1 to $5 billion band (an estimate), and is privately held. Its customers span automotive, electric vehicles, electronics, renewable energy, and industrial equipment. In September 2026, Mersen announced a Class J critical power panelboard, one of its recent product launches.
Mersen USA EP Corp at a glance
Revenue
$1-5B
Est. band
Employees
5,000-10,000
Founded
1891
Headquarters
Courbevoie, Ile-de-France
Certifications
AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 · ITAR registered
Import activity
3638
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
3638
Named foreign suppliers
50
Top origins
China · France · Hong Kong S.A.R. · Belgium

Shared foreign counterparties do not establish that these companies buy from Mersen USA EP Corp.
What this tells a buyer
The record shows a customs footprint of 3,638 shipments, with suppliers and origins concentrated in China, France, and Hong Kong S.A.R.
The company holds AS9100, IATF 16949, ISO 9001, ISO 14001, ISO 45001, and ISO 50001 certifications and is ITAR registered.
Mersen was selected by GE Vernova in September 2026 to support power grid stability, and in January 2026 its Bay City, Michigan facility was reported expanded to machine graphite and carbon insulation for semiconductor and electric vehicle use.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
135 years in operation (founded 1891).
3,638 US import shipments on record.
Holds AS9100, IATF 16949, ISO 14001, ISO 45001, ISO 50001, ISO 9001, ITAR registered certification(s) per public sources.
Overview
Mersen USA EP Corp is part of Mersen, a France-headquartered company in Courbevoie founded in 1891. The group makes electrical power products and advanced materials, including graphite parts, carbon brushes, and industrial fuses. It employs roughly 5,000 to 10,000 people, reports revenue in the $1 to $5 billion band (an estimate), and is privately held. Its customers span automotive, electric vehicles, electronics, renewable energy, and industrial equipment. In September 2026, Mersen announced a Class J critical power panelboard, one of its recent product launches.
At a glance
Attribute | Detail |
|---|---|
Founded | 1891 |
Headquarters | Courbevoie, Ile-de-France |
Employees | 5,000-10,000 |
Revenue | $1-5B (estimated) |
Primary capability | Batteries & E-Mobility |
Certifications | AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 · ITAR registered |
What Mersen USA EP Corp makes
The company holds AS9100, IATF 16949, ISO 9001, ISO 14001, ISO 45001, and ISO 50001 certifications and is ITAR registered.
Products and capabilities described on the company's own site include Battery, Transmission, LED, Machining, Electronics, Lighting, Semiconductor (source: mersen.com).
Certifications
Mersen USA EP Corp is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
AS9100 — mersen.com
IATF 16949 — mersen.com
ISO 14001 — mersen.com
ISO 45001 — mersen.com
ISO 50001 — mersen.com
ISO 9001 — mersen.com
ITAR registered — mersen.com
Trade and customs footprint
The record shows a customs footprint of 3,638 shipments, with suppliers and origins concentrated in China, France, and Hong Kong S.A.R. US customs bill-of-lading records list 3638 inbound shipments across 50 foreign suppliers, with top origins including China · France · Hong Kong S.A.R. · Belgium.
Latest developments
2026-09-21 — Mersen Selected by GE Vernova to enhance Power Grid Stability | Mersen (mersen.com)
2026-09-08 — Mersen Launches Class J Critical Power Panelboard | Mersen (mersen.com)
2026-07-20 — Mersen selected to supply fuses for EV | Mersen (mersen.com)
2025-12-04 — Mersen Announces Expansion to Surge-Trap® STXH 75kA Series (interferencetechnology.com)
2025-12-01 — Mersen selected by the U.S. Defense Logistics Agency to supply isostatic graphite | Mersen (mersen.com)
Facilities
Mersen USA EP Corp is headquartered in Courbevoie, Ile-de-France. Public sources also reference these locations:
Rochester, New York — mersen.com
Company details
Mersen was selected by GE Vernova in September 2026 to support power grid stability, and in January 2026 its Bay City, Michigan facility was reported expanded to machine graphite and carbon insulation for semiconductor and electric vehicle use. Mersen USA EP Corp was founded in 1891, has an estimated 5,000-10,000 employees, and is headquartered in Courbevoie, Ile-de-France. On the LightSource stability read it is rated "Established & active": 135 years in operation (founded 1891). 3,638 US import shipments on record. Holds AS9100, IATF 16949, ISO 14001, ISO 45001, ISO 50001, ISO 9001, ITAR registered certification(s) per public sources.
Frequently asked questions
What does Mersen USA EP Corp make?
Mersen USA EP Corp is part of Mersen, a France-headquartered company in Courbevoie founded in 1891. The group makes electrical power products and advanced materials, including graphite parts, carbon brushes, and industrial fuses. It employs roughly 5,000 to 10,000 people, reports revenue in the $1 to $5 billion band (an estimate), and is privately held. Its customers span automotive, electric vehicles, electronics, renewable energy, and industrial equipment. In September 2026, Mersen announced a Class J critical power panelboard, one of its recent product launches.
Where is Mersen USA EP Corp headquartered?
Mersen USA EP Corp is headquartered in Courbevoie, Ile-de-France (2 Avenue Gambetta, Courbevoie, Ile-de-France, 92400).
When was Mersen USA EP Corp founded?
Mersen USA EP Corp was founded in 1891.
How big is Mersen USA EP Corp?
Mersen USA EP Corp has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).
What certifications does Mersen USA EP Corp hold?
Mersen USA EP Corp lists AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 · ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.
Does Mersen USA EP Corp import from overseas suppliers?
US customs bill-of-lading records show 3638 inbound shipments for Mersen USA EP Corp, with top origins including China · France · Hong Kong S.A.R. · Belgium.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
'+33 1 46 91 54 00
Certification
AS9100 · IATF 16949 · ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 · ITAR registered
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