Verified Nov 2026
Bearings & Components
·
Slough, England
·
Since 1917
John Crane manufactures mechanical seals, power transmission couplings, filtration systems, and digital asset management tools for rotating equipment. Headquartered in Slough, England, and founded in 1917, the company operates as a subsidiary of Smiths Group plc with 5,000-10,000 employees and estimated revenue of $1–5 billion. It serves automotive, electric vehicle, medical, renewable energy, industrial equipment, and consumer goods sectors. Recent work includes scaling water-saving technology across a German paper mill and reducing seal expenditure for a lithium producer.
John Crane at a glance
Revenue
$1-5B
Est. band
Employees
5,000-10,000
Founded
1917
Headquarters
Slough, England
Certifications
ISO 9001
Import activity
623
Industries
Automotive
Electric Vehicles
Medical
Renewable Energy
Industrial Equipment
Consumer Goods
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
623
Named foreign suppliers
48
Top origins
China · India · Germany · Hong Kong S.A.R.
Shared foreign counterparties do not establish that these companies buy from John Crane.
What this tells a buyer
John Crane recorded 623 shipments across customs records, with primary sourcing from China (302 shipments from Ningbo Donglian Mechanical Sea and 173 from Wenzhou Trisun Seal Manufacture) and India (53 shipments from John Crane Sealing Systems India Pv).
The company holds ISO 9001 certification and offers mechanical seals, dry gas seals, wet seals, industrial filtration systems, power transmission couplings, and digital asset management solutions for critical applications.
John Crane operates as a subsidiary of Smiths Group plc with over 200 sales and service facilities across 50 countries, serving oil and gas, power generation, chemicals, pharmaceuticals, water treatment, and pulp and paper industries.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
109 years in operation (founded 1917).
623 US import shipments on record.
Holds ISO 9001 certification(s) per public sources.
Overview
John Crane manufactures mechanical seals, power transmission couplings, filtration systems, and digital asset management tools for rotating equipment. Headquartered in Slough, England, and founded in 1917, the company operates as a subsidiary of Smiths Group plc with 5,000-10,000 employees and estimated revenue of $1–5 billion. It serves automotive, electric vehicle, medical, renewable energy, industrial equipment, and consumer goods sectors. Recent work includes scaling water-saving technology across a German paper mill and reducing seal expenditure for a lithium producer.
At a glance
Attribute | Detail |
|---|---|
Founded | 1917 |
Headquarters | Slough, England |
Employees | 5,000-10,000 |
Revenue | $1-5B (estimated) |
Primary capability | Bearings & Components |
Certifications | ISO 9001 |
What John Crane makes
The company holds ISO 9001 certification and offers mechanical seals, dry gas seals, wet seals, industrial filtration systems, power transmission couplings, and digital asset management solutions for critical applications.
Products and capabilities described on the company's own site include Seal, Pump, Battery, Emissions, Transmission, Assembly, Tooling (source: johncrane.com).
Certifications
John Crane is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — johncrane.com
Trade and customs footprint
John Crane recorded 623 shipments across customs records, with primary sourcing from China (302 shipments from Ningbo Donglian Mechanical Sea and 173 from Wenzhou Trisun Seal Manufacture) and India (53 shipments from John Crane Sealing Systems India Pv). US customs bill-of-lading records list 623 inbound shipments across 48 foreign suppliers, with top origins including China · India · Germany · Hong Kong S.A.R..
Latest developments
2026-10-26 — John Crane strengthens reliability at phosphate mining and processing operations | 2026 | Press Releases | News | About | John Crane (johncrane.com)
2026-10-05 — UPM Nordland Papier scales water-saving technology across German paper mill | 2026 | Press Releases | News | About | John Crane (johncrane.com)
2026-09-14 — John Crane helps lithium producer nearly halve seal expenditure in 12 months | 2026 | Press Releases | News | About | John Crane (johncrane.com)
2026-08-17 — John Crane to strengthen reliability across more than 1,800 pumps at major Middle East refinery | 2026 | Press Releases | News | About | John Crane (johncrane.com)
2026-02-25 — Smiths Group’s John Crane business awarded key, global energy transition contracts | Smiths Group (smiths.com)
2026-02-11 — Smiths Group’s John Crane business announces key H1 2026 customer wins | Smiths Group (smiths.com)
Company details
John Crane operates as a subsidiary of Smiths Group plc with over 200 sales and service facilities across 50 countries, serving oil and gas, power generation, chemicals, pharmaceuticals, water treatment, and pulp and paper industries. John Crane was founded in 1917, has an estimated 5,000-10,000 employees, and is headquartered in Slough, England. On the LightSource stability read it is rated "Established & active": 109 years in operation (founded 1917). 623 US import shipments on record. Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does John Crane make?
John Crane manufactures mechanical seals, power transmission couplings, filtration systems, and digital asset management tools for rotating equipment. Headquartered in Slough, England, and founded in 1917, the company operates as a subsidiary of Smiths Group plc with 5,000-10,000 employees and estimated revenue of $1–5 billion. It serves automotive, electric vehicle, medical, renewable energy, industrial equipment, and consumer goods sectors. Recent work includes scaling water-saving technology across a German paper mill and reducing seal expenditure for a lithium producer.
Where is John Crane headquartered?
John Crane is headquartered in Slough, England.
When was John Crane founded?
John Crane was founded in 1917.
How big is John Crane?
John Crane has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).
What certifications does John Crane hold?
John Crane lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does John Crane import from overseas suppliers?
US customs bill-of-lading records show 623 inbound shipments for John Crane, with top origins including China · India · Germany · Hong Kong S.A.R..
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Last verified Nov 2026. Is this your company? Request a correction.
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