La Mirada Rockport
928 West 9th Street, Upland, CA 91786
Present in a source dataset, with no recent operating signal.
What they make
Cut Stone and Stone Product Manufacturing327991Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Falcon Abrasive Manufacturing INC | Montclair | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | UNVERIFIED | 4.3 KM |
| Holliday Rock Co., INC | Upland | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 5.0 KM |
| Canam Minerals INC | Rancho Cucamonga | Abrasive Product Manufacturing 327910 | REPORTED CLOSED | 6.9 KM |
| Regal Cultured Marble INC | Pomona | Plastics Plumbing Fixture Manufacturing 326191 | UNVERIFIED | 8.6 KM |
| Cementpro | Ontario | All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999 | UNVERIFIED | 9.7 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
Where this record comes from
1 source holds this plant, and 5 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 OSHA-OIS.
- EPA Facility Registry ServiceEXISTENCERecord 110070315297 · first seen SEP 2018 · last seen SEP 2018
IN SAN BERNARDINO COUNTY57 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 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: LA MIRADA ROCKPORT · OCT 2026
- Street address
- EPA: 928 WEST 9TH STREET · OCT 2026
- City
- EPA: UPLAND · OCT 2026
- State
- EPA: CA · OCT 2026
- Coordinates
- Census geocoder: 34.09599681062,-117.664024421911 · JUL 2026
