Gsk Hamilton

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Bitterroot Innovations, LLC	Stevensville	Pharmaceutical Preparation Manufacturing 325412	● ACTIVE	26.8 KM

Every listed plant in Ravalli County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in NPDES · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen MAR 2026 · last seen MAR 2026
• OSHA injury and illness reportsOPERATING
  Record 1457539 · first seen DEC 2025 · last seen DEC 2025
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Records 110016686898, 110069476338 · first seen JUN 2017 · last seen MAY 2024

ALSO RECORDED ASGLAXOSMITHKLINE BIOLOGICALS - HAMILTON; GLAXOSMITHKLINE VACCINES DBA CORIXA CORPORATION; Hamilton GSK

IN RAVALLI COUNTY1 other plant shares this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 0 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: GSK HAMILTON · OCT 2026

Street address

EPA: 553 OLD CORVALLIS ROAD · OCT 2026

City

EPA: HAMILTON · OCT 2026

State

EPA: MT · OCT 2026

County (FIPS code)

EPA: 30081 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 46.283900337479,-114.147962906857 · SEP 2026

EPA: 46.28389,-114.14614 · OCT 2026 · ON THIS PAGE

Employees (band)

OSHA: 100-499 · DEC 2025