Verified Nov 2026
Metal Fabrication
·
Weinheim, Baden-Wuerttemberg
·
Since 1929
Freudenberg Sealing Technologies (FST) manufactures sealing products, including O-rings, radial shaft seals, and custom components, and is headquartered in Weinheim, Germany. Founded in 1929, it has an estimated 10,000 to 50,000 employees and an estimated annual revenue of $1 to 5 billion. It is a privately held member of the Freudenberg Group and serves the automotive, electric vehicle, medical, renewable energy, industrial equipment, and aerospace industries. In August 2026 it reported opening a new plant in Mexico, adding to its manufacturing footprint.
Freudenberg Sealing Technologies at a glance
Revenue
$1-5B
Est. band
Employees
10,000-50,000
Founded
1929
Headquarters
Weinheim, Baden-Wuerttemberg
Certifications
IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001 · ISO/TS 16949 · Nadcap
Import activity
111
Industries
Automotive
Electric Vehicles
Medical
Renewable Energy
Industrial Equipment
Aerospace
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
111
Named foreign suppliers
4
Top origins
Mexico · United Kingdom
Shared foreign counterparties do not establish that these companies buy from Freudenberg Sealing Technologies.
What this tells a buyer
No customs data is available in the record, but the company reported adding a new plant in Mexico in August 2026, according to the European Rubber Journal.
The company holds IATF 16949, ISO 9001, ISO 14001, ISO 45001, ISO/TS 16949, and Nadcap certifications, and its listed products include battery, connector, and powertrain-related sealing components.
The company is privately held as part of the Freudenberg Group, with facilities listed in Mexico, including Queretaro, and in Manchester, New Hampshire.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
97 years in operation (founded 1929).
Holds IATF 16949, ISO 14001, ISO 45001, ISO 9001, ISO/TS 16949, Nadcap certification(s) per public sources.
Overview
Freudenberg Sealing Technologies (FST) manufactures sealing products, including O-rings, radial shaft seals, and custom components, and is headquartered in Weinheim, Germany. Founded in 1929, it has an estimated 10,000 to 50,000 employees and an estimated annual revenue of $1 to 5 billion. It is a privately held member of the Freudenberg Group and serves the automotive, electric vehicle, medical, renewable energy, industrial equipment, and aerospace industries. In August 2026 it reported opening a new plant in Mexico, adding to its manufacturing footprint.
At a glance
Attribute | Detail |
|---|---|
Founded | 1929 |
Headquarters | Weinheim, Baden-Wuerttemberg |
Employees | 10,000-50,000 |
Revenue | $1-5B (estimated) |
Primary capability | Metal Fabrication |
Certifications | IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001 · ISO/TS 16949 · Nadcap |
What Freudenberg Sealing Technologies makes
The company holds IATF 16949, ISO 9001, ISO 14001, ISO 45001, ISO/TS 16949, and Nadcap certifications, and its listed products include battery, connector, and powertrain-related sealing components.
Products and capabilities described on the company's own site include Battery, Tooling, Assembly, Connector, Stamping, Powertrain, Transmission, Coating (source: fst.com).
Certifications
Freudenberg Sealing Technologies is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — fst.com
ISO 14001 — dqsglobal.com
ISO 45001 — dqsglobal.com
ISO 9001 — dqsglobal.com
ISO/TS 16949 — fst.com
Nadcap — fst.com
Trade and customs footprint
No customs data is available in the record, but the company reported adding a new plant in Mexico in August 2026, according to the European Rubber Journal. US customs bill-of-lading records list 111 inbound shipments across 4 foreign suppliers, with top origins including Mexico · United Kingdom.
Latest developments
2026-08-18 — Innovation Driver: Connector Seals Improve Design Flexibility in Battery Platforms (fst.com)
2026-08-13 — Freudenberg Sealing adds new plant in Mexico | European Rubber Journal (european-rubber-journal.com)
2026-05-08 — Modular TPE Bellows for Special-Purpose Vehicles and Industrial Applications (fst.com)
2025-10-31 — Wasserstoff als Schlüsseltechnologie (fst.com)
2025-09-22 — Freudenberg Sealing Technologies focuses on growth in the service sector (fst.com)
2025-09-22 — DMH USA becomes part of Freudenberg Sealing Technologies (dmh-usa.com)
Facilities
Freudenberg Sealing Technologies is headquartered in Weinheim, Baden-Wuerttemberg. Public sources also reference these locations:
Mexico — european-rubber-journal.com
Queretaro, Mexico — european-rubber-journal.com
Manchester, New Hampshire — fst.com
Company details
The company is privately held as part of the Freudenberg Group, with facilities listed in Mexico, including Queretaro, and in Manchester, New Hampshire. Freudenberg Sealing Technologies was founded in 1929, has an estimated 10,000-50,000 employees, and is headquartered in Weinheim, Baden-Wuerttemberg. On the LightSource stability read it is rated "Established & active": 97 years in operation (founded 1929). Holds IATF 16949, ISO 14001, ISO 45001, ISO 9001, ISO/TS 16949, Nadcap certification(s) per public sources.
Frequently asked questions
What does Freudenberg Sealing Technologies make?
Freudenberg Sealing Technologies (FST) manufactures sealing products, including O-rings, radial shaft seals, and custom components, and is headquartered in Weinheim, Germany. Founded in 1929, it has an estimated 10,000 to 50,000 employees and an estimated annual revenue of $1 to 5 billion. It is a privately held member of the Freudenberg Group and serves the automotive, electric vehicle, medical, renewable energy, industrial equipment, and aerospace industries. In August 2026 it reported opening a new plant in Mexico, adding to its manufacturing footprint.
Where is Freudenberg Sealing Technologies headquartered?
Freudenberg Sealing Technologies is headquartered in Weinheim, Baden-Wuerttemberg.
When was Freudenberg Sealing Technologies founded?
Freudenberg Sealing Technologies was founded in 1929.
How big is Freudenberg Sealing Technologies?
Freudenberg Sealing Technologies has an estimated 10,000-50,000 employees, with revenue in the $1-5B range (estimated).
What certifications does Freudenberg Sealing Technologies hold?
Freudenberg Sealing Technologies lists IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001 · ISO/TS 16949 · Nadcap on its website. Confirm the certified scope for the specific plant producing your part.
Does Freudenberg Sealing Technologies import from overseas suppliers?
US customs bill-of-lading records show 111 inbound shipments for Freudenberg Sealing Technologies, with top origins including Mexico · United Kingdom.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
'+49 6201 806666
Certification
IATF 16949 · ISO 14001 · ISO 45001 · ISO 9001 · ISO/TS 16949 · Nadcap
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