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.
What they make
Ready-Mix Concrete Manufacturing327320Where it is
34.47130, -117.27794 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Hi-Grade Materials-Hesperia Transportation | Hesperia | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 0.0 KM |
| Robar Enterprises-Hesperia | Hesperia | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 0.0 KM |
| Hi-grade Materials-bear Valley Rd | Hesperia | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 0.0 KM |
| Suncrete Materials CO. | Hesperia | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 3.3 KM |
| Robertson's Ready Mix - Hesperia | Hesperia | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 5.3 KM |
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.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 7 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in EIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| SAM GOV | OPERATING | NOV 2025 | NOV 2025 |
| EPA FRS | EXISTENCE | MAR 2019 | MAR 2019 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | NOV 2025 |
| CAGE CODE | SAM GOV | NOV 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | NOV 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | NOV 2025 |
| REGISTRATION EXPIRATION | SAM GOV | NOV 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | NOV 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.