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La Mirada Rockport

928 West 9th Street, Upland, CA 91786

UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE

Present in a source dataset, with no recent operating signal.

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What they make

Cut Stone and Stone Product Manufacturing327991

Where it is

34.09600, -117.66402 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Falcon Abrasive Manufacturing INCMontclairAll Other Miscellaneous Fabricated Metal Product Manufacturing
332999
UNVERIFIED4.3 KM
Holliday Rock Co., INCUplandAsphalt Paving Mixture and Block Manufacturing
324121
LIKELY ACTIVE5.0 KM
Canam Minerals INCRancho CucamongaAbrasive Product Manufacturing
327910
REPORTED CLOSED6.9 KM
Regal Cultured Marble INCPomonaPlastics Plumbing Fixture Manufacturing
326191
UNVERIFIED8.6 KM
CementproOntarioAll Other Miscellaneous Nonmetallic Mineral Product Manufacturing
327999
UNVERIFIED9.7 KM

Every listed plant in San Bernardino County

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.

National Gear Repair, INC.
Upland, CA
UNVERIFIED333310

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 ServiceEXISTENCE
    Record 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

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