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Hi-grade Materials CO

17671 Bear Valley Rd, Hesperia, CA 92345

LIKELY ACTIVELAST SEEN IN FEDERAL DATA NOV 2025 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Ready-Mix Concrete Manufacturing327320

Where it is

34.47130, -117.27794 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Hesperia Plant 31HesperiaReady-Mix Concrete Manufacturing
327320
LIKELY ACTIVE5.3 KM
Cemex Construction Materials Pacific Llc- Cemex Victorville -river PlantVictorvilleCement Manufacturing
327310
LIKELY ACTIVE9.4 KM
Victorville Plant #42VictorvilleReady-Mix Concrete Manufacturing
327320
LIKELY ACTIVE9.6 KM
Holliday Rock - AdelantoAdelantoReady-Mix Concrete Manufacturing
327320
LIKELY ACTIVE13.8 KM
Adelanto Plant 19AdelantoReady-Mix Concrete Manufacturing
327320
LIKELY ACTIVE14.8 KM

Every listed plant in San Bernardino County

Also at this address

3 other records share 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.

Hi-Grade Materials-Hesperia Transportation
Hesperia, CA
LIKELY ACTIVE327320EMP 20-99
Robar Enterprises-Hesperia
Hesperia, CA
LIKELY ACTIVE327320EMP 20-99
Smith Iron Works-Hesperia Iron
Hesperia, CA
LIKELY ACTIVE332312EMP 20-99

Where this record comes from

2 sources hold this plant, and 8 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 · EPA site type STATIONARY.

  • SAM.gov entity registrationOPERATING
    Record GLLMP87FLCA3 · first seen NOV 2025 · last seen NOV 2025
  • EPA Facility Registry ServiceEXISTENCE
    Record 110070521874 · first seen MAR 2019 · last seen MAR 2019

ALSO RECORDED ASHI-GRADE MATERIALS-BEAR VALLEY RD

IN SAN BERNARDINO COUNTY114 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 27 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: HI-GRADE MATERIALS CO · JUL 2026 · ON THIS PAGE
SAM.gov: HI-GRADE MATERIALS CO · NOV 2025 · ON THIS PAGE
Street addressSOURCES DISAGREE
EPA: 17671 BEAR VALLEY ROAD · JUL 2026
SAM.gov: 17671 BEAR VALLEY RD · NOV 2025 · ON THIS PAGE
City
EPA: HESPERIA · JUL 2026 · ON THIS PAGE
SAM.gov: HESPERIA · NOV 2025 · ON THIS PAGE
State
EPA: CA · JUL 2026 · ON THIS PAGE
SAM.gov: CA · NOV 2025 · ON THIS PAGE
County (FIPS code)
EPA: 06071 · SEP 2026
CoordinatesSOURCES DISAGREE
Census geocoder: 34.471296927233,-117.277937483622 · JUL 2026 · ON THIS PAGE
EPA: 34.46941,-117.27804 · JUL 2026
CAGE code
SAM.gov: 018G2 · NOV 2025
SAM registration expires
SAM.gov: 2026-11-05 · NOV 2025

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