Facility	City	Industry	Status	Distance
Grayhill INC	La Grange	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	ACTIVE	2.8 KM
Kalmus & Assoc. INC	Broadview	Bare Printed Circuit Board Manufacturing 334412	UNVERIFIED	6.4 KM
Burhani Enterprises INC	Chicago	Hardware Manufacturing 332510	ACTIVE	6.6 KM
Filtration Group Corporation	Oak Brook	All Other Miscellaneous Textile Product Mills 314999	ACTIVE	8.7 KM
Midtronics, INC	Willowbrook	Other Electronic Component Manufacturing 334419	LIKELY ACTIVE	9.0 KM

Every listed plant in Cook 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 AIR, EIS, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110070071247 · first seen JUN 2017 · last seen JUN 2017

IN COOK COUNTY88 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 27 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: GRAYHILL INC · OCT 2026
Street address: EPA: 4800 S VERNON AVE · OCT 2026
City: EPA: LA GRANGE · OCT 2026
State: EPA: IL · OCT 2026
County (FIPS code): EPA: 17031 · OCT 2026
Coordinates: EPA: 41.802956,-87.846763 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026

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