Present in a source dataset, with no recent operating signal.
What they make
Pottery, Ceramics, and Plumbing Fixture Manufacturing327112- insulation systems
- commercial roofing
- calcium silicate
- engineered products
- PVC Jacketing
- Fittings
- extruded polystyrene
- roofing membranes
- EPDM
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Open positions
Openings read from Johns Manville Corporation’s own job board on Workday, last checked OCT 22, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Production UtilityInnisfail Alberta
- Process EngineerTucson AZ
- Sr. Product Manager- Roofing SystemsDenver CO WHQ
- PVC Machine OperatorEdison NJ
- Executive Office CoordinatorDenver CO WHQ
- Sr. Automation EngineerLittleton CO JMTC
- Engineering InternSpartanburg SC
- DC4 ReceivingHazleton PA
- Sales Representative- Upstate New YorkWork From Home NY · Remote
- Production SupervisorCleburne TX
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| United States Tile CO Corona | Corona | Clay Building Material and Refractories Manufacturing 327120 | LIKELY ACTIVE | 4.0 KM |
| West Coast Porcelain Industries INC | Corona | Pottery, Ceramics, and Plumbing Fixture Manufacturing 327110 | UNVERIFIED | 4.7 KM |
| Higgins Brick CO | Chino Hills | Clay Building Material and Refractories Manufacturing 327120 | UNVERIFIED | 17.4 KM |
| Toto USA Ontario | Ontario | Pottery, Ceramics, and Plumbing Fixture Manufacturing 327110 | LIKELY ACTIVE | 20.1 KM |
| Pacific Clay Products, Inc. Lake Elsinore | Lake Elsinore | Clay Building Material and Refractories Manufacturing 327120 | LIKELY ACTIVE | 20.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 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 BR, EIS, RCRAINFO, TRIS · EPA site type STATIONARY.
- EPA Facility Registry ServiceEXISTENCERecord 110000861880 · first seen JUN 2017 · last seen JUN 2017
- EPA ECHO compliance recordsOPERATINGfirst seen OCT 1992 · last seen OCT 1992
IN RIVERSIDE COUNTY17 other plants share this one’s industry (Clay Product and Refractory Manufacturing, NAICS 3271); 3 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: JOHNS MANVILLE CORP · OCT 2026
- Street address
- EPA: 1251 MAGNOLIA AVENUE · OCT 2026
- City
- EPA: CORONA · OCT 2026
- State
- EPA: CA · OCT 2026
- County (FIPS code)
- EPA: 06065 · OCT 2026
- Coordinates
- EPA: 33.866773,-117.54073 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: SQG · OCT 2026


