Gsk Hamilton
553 Old Corvallis Road, Hamilton, MT 59840
ACTIVELAST SEEN IN FEDERAL DATA MAR 2026 · 4 SOURCES
Operating signal within 12 months from two or more independent sources.
What they make
Medicinal and Botanical Manufacturing325411Where it is
46.28389, -114.14614 · CENSUS TIGER
COUNTY
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Bitterroot Innovations, LLC | Stevensville | Pharmaceutical Preparation Manufacturing 325412 | ACTIVE | 26.8 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 4 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 NPDES · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | MAR 2026 | MAR 2026 |
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | JUN 2017 | MAY 2024 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| 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.