Calmat CO
4711 Huntington Dr, Montclair, CA 91763
Present in a source dataset, with no recent operating signal.
What they make
Asphalt Paving Mixture and Block Manufacturing324121Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Holliday Rock CO INC | Upland | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 1.6 KM |
| Orange Line Oil CO INC | Pomona | Petroleum Lubricating Oil and Grease Manufacturing 324191 | LIKELY ACTIVE | 5.4 KM |
| Premier Business Products INC. | La Verne | Office Supplies (except Paper) Manufacturing 339940 | ACTIVE | 7.1 KM |
| Holliday Rock Co., INC | Upland | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 7.5 KM |
| Goldenwest Lubricants INC | Pomona | Petroleum Lubricating Oil and Grease Manufacturing 324191 | LIKELY ACTIVE | 8.2 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
1 source holds 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 EIS, HWTS-DATAMART, RCRAINFO · EPA site type STATIONARY.
- EPA Facility Registry ServiceEXISTENCERecord 110002909461 · first seen JUN 2017 · last seen AUG 2024
IN SAN BERNARDINO COUNTY77 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 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
- EPA: CALMAT CO · OCT 2026
- Street address
- EPA: 4711 HUNTINGTON DR · OCT 2026
- City
- EPA: MONTCLAIR · OCT 2026
- State
- EPA: CA · OCT 2026
- County (FIPS code)
- EPA: 06071 · OCT 2026
- Coordinates
- EPA: 34.09507,-117.70408 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: SQG · OCT 2026
