Operating signal within 24 months, or from a single source.
What they make
Iron Foundries331511Donsco is a cast iron foundry that produces gray, ductile, and alloyed iron castings up to 150 pounds using horizontally and vertically parted molds, along with in-house machining and patternmaking operations. The company operates two foundries in southeastern Pennsylvania and serves customers across multiple industries by providing machined iron castings from design concept through finished parts.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Donsco Inc Wightsville Foundry | Wrightsville | Iron Foundries 331511 | LIKELY ACTIVE | 0.1 KM |
| US Lock & Hdwr Co/columbia | Columbia | Iron Foundries 331511 | UNVERIFIED | 1.9 KM |
| Penncast Corp/marietta | Marietta | Steel Foundries (except Investment) 331513 | UNVERIFIED | 3.8 KM |
| Asc Engineered Solutions Llc/columbia Fka Anvil | Columbia | Iron Foundries 331511 | ACTIVE | 3.9 KM |
| Nj Shell Casting Corp/ Marietta | Marietta | Iron Foundries 331511 | ACTIVE | 4.6 KM |
Also at this address
1 other record shares 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 — 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 AIR, AIRS/AFS, CEDRI, EIS, ICIS, NCDB, NPDES, PA-EFACTS, RCRAINFO, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | JUL 2025 | JUL 2025 |
| EPA FRS | EXISTENCE | JUN 2017 | SEP 2018 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | JUL 2025 |
| CAGE CODE | SAM GOV | JUL 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | JUL 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | JUL 2025 |
| REGISTRATION EXPIRATION | SAM GOV | JUL 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | JUL 2025 |
| WEBSITE | SAM GOV | JUL 2025 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.