Johnson Matthey INC.
Johnson Matthey produces precious group metals (PGMs), chemicals, and catalysts for use across multiple industries. The company offers PGM refining and recycling, catalysts for emissions control in data centres, gas turbines, mining, and mobile applications, life science technologies including biocatalysis and pharma catalysts, and hydrogen solutions including electrolyser and fuel cell components. The company also provides technologies for ammonia, biorenewables, conventional hydrogen, edible oils, formaldehyde, methanol, petrochemicals, sustainable aviation fuels, and syngas production and purification.
Their plants
9 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Johnson Matthey, INC. | Taylor | MI | — | UNVERIFIED |
| Johnson Matthey INC West Deptford Site | West Deptford | NJ | — | UNVERIFIED |
| Johnson Matthey INC - Mid Atlantic Ind Pk | West Deptford | NJ | — | UNVERIFIED |
| Johnson Matthey, INC. | Audubon | PA | — | UNVERIFIED |
| Johnson Matthey INC Downingtown Site | Downingtown | PA | — | UNVERIFIED |
| 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 | LIKELY 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.

