Northwestern CORP

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Alliance Network Integrators LLC	Plainfield	Electronic Computer Manufacturing 334111	● ACTIVE	25.3 KM
GEGreen Earth Plastic Recycling	Joliet	Commercial and Service Industry Machinery Manufacturing 333318	◐ LIKELY ACTIVE	34.3 KM
Cgi Manufacturing Holdings LLC	Romeoville	Machine Shops 332710	● ACTIVE	37.4 KM

Every listed plant in Grundy County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 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 ACES, AIR, AIRS/AFS, EIS, RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110005815626 · first seen JUN 2017 · last seen JUN 2017
• EPA ECHO compliance recordsOPERATING
  first seen JUN 2014 · last seen JUN 2014

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: NORTHWESTERN CORP · OCT 2026

Street address

EPA: 922 ARMSTRONG ST · OCT 2026

City

EPA: MORRIS · OCT 2026

State

EPA: IL · OCT 2026

County (FIPS code)

EPA: 17063 · OCT 2026

Coordinates

EPA: 41.36571,-88.411 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026