Sterling Engines

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
RHRockford Heat Treaters INC	Rockford	Metal Heat Treating 332811	◐ LIKELY ACTIVE	0.4 KM
Excelsior LLC	Rockford	Gasket, Packing, and Sealing Device Manufacturing 339991	● ACTIVE	1.1 KM
ATAction Tool & Mfg	Rockford	All Other Miscellaneous Manufacturing 339999	◐ LIKELY ACTIVE	1.3 KM
RRRin Rockford Division of Rin INC	Rockford	All Other Miscellaneous Manufacturing 339999	◇ UNVERIFIED	4.1 KM
TBTan Books and Publishers INC.	Rockford	All Other Miscellaneous Manufacturing 339999	◐ LIKELY ACTIVE	3.8 KM

Every listed plant in Winnebago County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 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 · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110001855154 · first seen JUN 2017 · last seen JUN 2017
• EPA ECHO compliance recordsOPERATING
  first seen FEB 2007 · last seen FEB 2007

IN WINNEBAGO COUNTY121 other plants share this one’s industry (Other Miscellaneous Manufacturing, NAICS 3399); 9 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: STERLING ENGINES · OCT 2026

Street address

EPA: 4737 COLT ROAD · OCT 2026

City

EPA: ROCKFORD · OCT 2026

State

EPA: IL · OCT 2026

County (FIPS code)

EPA: 17201 · OCT 2026

Coordinates

EPA: 42.225511,-89.024264 · OCT 2026