Temescal Valley Plant #54
25050 Maitri Rd., Corona, CA 92883
LIKELY ACTIVE1 SOURCELAST SIGNAL DEC 2025
Operating signal within 24 months, or from a single source.
Location
ADDRESS
25050 Maitri Rd.
Corona, CA 92883
Corona, CA 92883
COORDINATES
33.75490, -117.48088
COUNTY
METRO AREA
Also at this address
4 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.
Calaveras Standard Materials INC.
Corona, CA
UNVERIFIED327320
Foster Sand & Gravel CO
Corona, CA
UNVERIFIED327320
National Ready Mix Concrete CO
Corona, CA
UNVERIFIED327320
Robertson's Ready Mix
Corona, CA
UNVERIFIED327320
Industry
PRIMARY NAICS
EMPLOYMENT
1-19 employees
Sources
| SOURCE | EVIDENCE | FIRST SEEN | LAST SEEN |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.