Johnson Matthey INC.

1397 King Rd, West Chester, PA 19380

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 4 SOURCES

Operating signal within 12 months from two or more independent sources.

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Their homepage, crawled JUL 2026

What they make

All Other Miscellaneous Chemical Product and Preparation Manufacturing325998

platinum group metals
chemicals
biocatalysis
catalyst screening
data centres
gas turbines
mining
sustainable aviation fuels
emissions control
Honeywell Technologies
biorenewables
petrochemicals

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Sold by JOHNSON MATTHEY INC. · 1

Nonferrous Base Metal Refinery And Intermediate Forms

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

1 from usaspending_psc · Federal registry

Supplied under federal award 80NSSC25PA056 (2024-10-15), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Open positions

Openings read from Johnson Matthey INC.’s own job board on Workday, last checked OCT 25, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

OPENINGS AT JOHNSON MATTHEY INC., NOT MATCHED TO THIS PLANT

Laborleiter (m/w/d)
Redwitz an der Rodach - DE
Production Operator
Royston - UK
PCE Line FTC Operator
Bawal - IN
Infrastructure Operation Engineer
Kuala Lumpur - MY
Flex Operator
West Chester, PA – US
Assistant Manager - Environment and Compliance
Taloja - IN
Material Handler
West Chester, PA – US
Process Safety - Student Placement
Royston - UK
Chemical Operator
West Deptford, NJ - US
Occupational Health Technician
Royston - UK; Cambridge - UK; Sonning - UK; Enfield - UK; London - UK

94 more on the company’s board

Where it is

40.02159, -75.58082 · CENSUS TIGER

COUNTY

Chester County

METRO AREA

Philadelphia-Camden-Wilmington, PA-NJ-DE-MD

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Open this address

Other plants nearby

Facility	City	Industry	Status	Distance
Veltek Associates INC	Malvern	All Other Basic Organic Chemical Manufacturing 325199	ACTIVE	5.7 KM
Rusmar Inc (adba Atmos Technologies)	West Chester	All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998	LIKELY ACTIVE	6.0 KM
Arkema Inc/west Chester	West Chester	All Other Basic Organic Chemical Manufacturing 325199	ACTIVE	6.9 KM
Kidde Fire Fighting INC	West Chester	All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998	UNVERIFIED	7.0 KM
Shannon Chemical Corporation	Exton	Other Basic Inorganic Chemical Manufacturing 325180	ACTIVE	6.2 KM

Every listed plant in Chester County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Cookson Matthey/west Chester

West Chester, PA

UNVERIFIED325100

Where this record comes from

4 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record GVYWPFZLZFN3 · first seen JUN 2026 · last seen JUN 2026
OSHA injury and illness reportsOPERATING
Record 1457739 · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 230411710|PA|19380|1397 king rd · first seen OCT 2025 · last seen OCT 2025

IN CHESTER COUNTY10 other plants share this one’s industry (Other Chemical Product and Preparation Manufacturing, NAICS 3259); 4 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: SAM.gov: JOHNSON MATTHEY INC. · JUN 2026
Street address: SAM.gov: 1397 KING RD · JUN 2026
City: SAM.gov: WEST CHESTER · JUN 2026
State: SAM.gov: PA · JUN 2026
Coordinates: Census geocoder: 40.021593920007,-75.580819538244 · JUL 2026
Employees (band): OSHA: 100-499 · DEC 2025
Website: SAM.gov: https://matthey.com/ · JUN 2026
CAGE code: SAM.gov: 7U256 · JUN 2026
Retirement plan filing (Form 5500): DOL: 1,204 active participants, plan year ending 2025-10-31, 2 plan(s) · OCT 2025
SAM registration expires: SAM.gov: 2027-05-28 · JUN 2026
State business registrationSOURCES DISAGREE: CO SOS: Johnson Matthey Inc., registered with the Colorado Secretary of State; Corporation formed in Pennsylvania; registered 2019-04-01; active, annual report filed 2026-03-16 · MAR 2026; Sunbiz: JOHNSON MATTHEY INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in Pennsylvania; registered 2015-05-27; active, annual report filed 2026-03-16 · MAR 2026; IA SOS: JOHNSON MATTHEY INC., registered with the Iowa Secretary of State; registered 2021-07-22; active · JUL 2021; TX Comptroller: JOHNSON MATTHEY INC., registered with the Texas Comptroller of Public Accounts; Corporation; registered 1993-01-14; active · JAN 1993

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