Heidelberg Materials Downingtown HMA
850 Quarry Rd, Downingtown, PA 19335
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 1 SOURCE
Operating signal within 24 months, or from a single source.
What they make
Asphalt Paving Mixture and Block Manufacturing324121Where it is
40.00726, -75.66795 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Ackworth Materials | Downingtown | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 0.2 KM |
| Netzsch Pumps North America LLC | Exton | Pump and Compressor Manufacturing 333911 | ACTIVE | 6.1 KM |
| Heidelberg Materials Frazer HMA | Frazer | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 13.0 KM |
| Highway Materials Malvern Plt | Frazer | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 13.3 KM |
| Henry Co/kimberton Plt | Kimberton | Asphalt Shingle and Coating Materials Manufacturing 324122 | UNVERIFIED | 15.8 KM |
Also at this address
More than one federal record exists for this street address. The primary record for the site is listed first.
WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 2 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| 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.