Keystone Plastics INC
3451 S Clinton Ave, South Plainfield, NJ 07080
LIKELY ACTIVELAST SEEN IN FEDERAL DATA NOV 2025 · 3 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Unlaminated Plastics Profile Shape Manufacturing326121Where it is
40.56985, -74.43009 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Valid USA | South Plainfield | All Other Plastics Product Manufacturing 326199 | UNVERIFIED | 0.4 KM |
| Perry Technology | South Plainfield | Plastics Product Manufacturing 326100 | UNVERIFIED | 1.2 KM |
| Parkway Plastics INC | Piscataway | All Other Plastics Product Manufacturing 326199 | UNVERIFIED | 1.5 KM |
| Evonik Corporation | Piscataway | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | LIKELY ACTIVE | 1.9 KM |
| Evonik CORP | Piscataway | Other Basic Inorganic Chemical Manufacturing 325180 | ACTIVE | 1.9 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 5 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, ICIS, NJ-NJEMS, NPDES, OSHA-OIS, SFDW, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | NOV 2025 | NOV 2025 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA FRS | EXISTENCE | JUN 2016 | JUN 2016 |
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 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
