Operating signal within 12 months from two or more independent sources.
What they make
Cement Manufacturing327310CalPortland manufactures cement, concrete, aggregates, and asphalt, along with construction services and mobile projects. The company produces Portland limestone cement and plastic cement. CalPortland serves the construction and building materials industries.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| R F Herrera Concrete Construction | San Dimas | Concrete Block and Brick Manufacturing 327331 | UNVERIFIED | 3.2 KM |
| Pomona Plant 5 | Pomona | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 8.5 KM |
| Robertson's Ready Mix INC | Pomona | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 8.5 KM |
| Cemex Construction Materials Pacific | Azusa | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 9.6 KM |
| Cemex Construction Materials LP | Walnut | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 13.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 9 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 CEDRI, EIS, ICIS, RCRAINFO, TSCA · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | APR 2026 | APR 2026 |
| EPA FRS | EXISTENCE | MAY 2015 | MAY 2015 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | APR 2026 |
| CAGE CODE | SAM GOV | APR 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | APR 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | APR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | APR 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | APR 2026 |
| WEBSITE | SAM GOV | APR 2026 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.