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Johnson Matthey INC Downingtown Site

498 Acorn Ln., Downingtown, PA 19335

LIKELY ACTIVELAST SEEN IN FEDERAL DATA JUL 2025 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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Homepage of Johnson Matthey INC Downingtown Site
Their homepage, crawled JUL 2026

What they make

Synthetic Dye and Pigment Manufacturing325130
  • 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 NOV 1, 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

97 more on the company’s board

Where it is

40.00633, -75.69154 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Shannon Chemical CorporationExtonOther Basic Inorganic Chemical Manufacturing
325180
ACTIVE3.4 KM
Veltek Associates, Inc. - CWExtonAll Other Basic Organic Chemical Manufacturing
325199
LIKELY ACTIVE3.8 KM
Birch Biotech LLCExtonPetrochemical Manufacturing
325110
ACTIVE6.6 KM
Netzsch Pumps North America LLCExtonPump and Compressor Manufacturing
333911
ACTIVE7.2 KM
Chem Service IncWest ChesterAll Other Basic Organic Chemical Manufacturing
325199
LIKELY ACTIVE7.2 KM

Every listed plant in Chester County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 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.

EPA cross-references this facility in AIRS/AFS, ICIS, NCDB, OSHA-OIS, PA-EFACTS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

  • EPA ECHO compliance recordsOPERATING
    first seen JUL 2025 · last seen JUL 2025
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2023 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110000496375 · first seen OCT 2016 · last seen JUN 2017

ALSO RECORDED ASJOHNSON MATTHEY COLOUR TECH/DOWNINGTOWN

IN CHESTER COUNTY12 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 6 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
EPA: JOHNSON MATTHEY INC DOWNINGTOWN SITE · NOV 2026
Street address
EPA: 498 ACORN LN. · NOV 2026
City
EPA: DOWNINGTOWN · NOV 2026
State
EPA: PA · NOV 2026
County (FIPS code)
EPA: 42029 · NOV 2026
Coordinates
EPA: 40.00633,-75.69154 · NOV 2026
Hazardous waste generator (RCRA)
EPA ECHO: SQG · NOV 2026

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