Porce-len, INC
129 Leeder Hill Drive, Hamden, CT 06517
LIKELY ACTIVELAST SEEN IN FEDERAL DATA JAN 2026 · 3 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Paint and Coating Manufacturing325510Where it is
41.34584, -72.92430 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Plant 2 | Hamden | Paint and Coating Manufacturing 325510 | LIKELY ACTIVE | 0.1 KM |
| Plant 1 | Hamden | Paint and Coating Manufacturing 325510 | LIKELY ACTIVE | 2.6 KM |
| Von Roll USA INC New Haven | New Haven | Fabric Coating Mills 313320 | UNVERIFIED | 5.1 KM |
| LATICRETE International Inc - Bethany | Bethany | Adhesive Manufacturing 325520 | LIKELY ACTIVE | 8.4 KM |
| Current, INC. | East Haven | Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing 326130 | ACTIVE | 9.3 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, 6 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, BR, ICIS, NPDES, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | JAN 2026 | JAN 2026 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA FRS | EXISTENCE | JUN 2017 | JUN 2017 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.