Johnson Matthey INC.
At a glance
Employees500+
In business sinceNot reported
HeadquartersWest Chester, PA
US patents194
SAM.gov UEIGVYWPFZLZFN3
CAGE code7U256
Incorporated inPA
LEI549300VWFWP7H5BHH996
- 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
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.
- Laborleiter (m/w/d)Redwitz an der Rodach - DE
- Production OperatorRoyston - UK
- PCE Line FTC OperatorBawal - IN
- Infrastructure Operation EngineerKuala Lumpur - MY
- Flex OperatorWest Chester, PA – US
- Assistant Manager - Environment and ComplianceTaloja - IN
- Material HandlerWest Chester, PA – US
- Process Safety - Student PlacementRoyston - UK
- Chemical OperatorWest Deptford, NJ - US
- Occupational Health TechnicianRoyston - UK; Cambridge - UK; Sonning - UK; Enfield - UK; London - UK
94 more on the company’s board
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
194 US patents granted 1976–2015, none of them in the five years to SEP 2025.
Chemical engineering 54Materials, metallurgy 35Organic fine chemistry 17Semiconductors 15Pharmaceuticals 13
- System and method to gasify aqueous urea into ammonia vapors using secondary flue gasesUS 9,132,385 · granted SEP 15, 2015
- Emission reduction method for use with a heat recovery steam generation systemUS 8,220,274 · granted JUL 17, 2012
- Method of reducing nitrogen oxides in a gas stream with vaporized ammoniaUS 7,998,444 · granted AUG 16, 2011
- Thermal interface materialsUS 6,451,422 · granted SEP 17, 2002
- Resin systems for organosilicon-containing compositionsUS 6,117,930 · granted SEP 12, 2000
Newest 5 shown · Granted to Johnson Matthey Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
9 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Johnson Matthey, INC. | Taylor | MI | — | UNVERIFIED |
| Johnson Matthey INC West Deptford Site | West Deptford | NJ | — | LIKELY ACTIVE |
| Johnson Matthey INC - Mid Atlantic Ind Pk | West Deptford | NJ | — | LIKELY ACTIVE |
| Johnson Matthey, INC. | Audubon | PA | — | UNVERIFIED |
| Johnson Matthey INC Downingtown Site | Downingtown | PA | — | LIKELY ACTIVE |
| Johnson Matthey, INC. | Wayne | PA | 500+ | LIKELY ACTIVE |
| Johnson Matthey Inc/west Whiteland | West Chester | PA | 100–499 | LIKELY ACTIVE |
| Johnson Matthey INC. | West Chester | PA | 100–499 | ACTIVE |
| Johnson Matthey INC. | Sevierville | TN | 20–99 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.