Janssen Research & Development Llc/lower Gwynedd
Welsh & Mckean Roads, Spring House, PA 19477
LIKELY ACTIVELAST SEEN IN FEDERAL DATA FEB 2026 · 2 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Biological Product (except Diagnostic) Manufacturing325414Where it is
40.19354, -75.21100 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Barr Laboratories, INC. | North Wales | Pharmaceutical Preparation Manufacturing 325412 | UNVERIFIED | 4.2 KM |
| Teva Pharmaceuticals USA | North Wales | Pharmaceutical Preparation Manufacturing 325412 | UNVERIFIED | 4.2 KM |
| Ladder Bio, INC. | Blue Bell | Biological Product (except Diagnostic) Manufacturing 325414 | ACTIVE | 4.3 KM |
| Patriot Pharmaceuticals LLC | Horsham | Pharmaceutical Preparation Manufacturing 325412 | LIKELY ACTIVE | 4.5 KM |
| Gold Standard Diagnostics Horsham, LLC | Horsham | In-Vitro Diagnostic Substance Manufacturing 325413 | LIKELY ACTIVE | 4.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 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, CEDRI, EIS, NPDES, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | FEB 2026 | FEB 2026 |
| 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 | SEP 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
