Facility	City	Industry	Status	Distance
Tricast/presfore CORP	Crystal Lake	Iron and Steel Mills and Ferroalloy Manufacturing 331110	UNVERIFIED	18.2 KM
M.s. Action Machining CORP	Mchenry	Iron and Steel Mills and Ferroalloy Manufacturing 331110	LIKELY ACTIVE	22.7 KM
Barb City Steel CORP	Dekalb	Fabricated Structural Metal Manufacturing 332312	ACTIVE	37.5 KM

Every listed plant in McHenry County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 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, BR, EIS, ICIS, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen MAY 2026 · last seen MAY 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110000595277 · first seen SEP 2010 · last seen SEP 2010

IN MCHENRY COUNTY4 other plants share this one’s industry (Iron and Steel Mills and Ferroalloy Manufacturing, NAICS 3311); 1 of them has 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: TECHALLOY CO INC · OCT 2026
Street address: EPA: 6509 OLSON ROAD · OCT 2026
City: EPA: UNION · OCT 2026
State: EPA: IL · OCT 2026
County (FIPS code): EPA: 17111 · OCT 2026
Coordinates: EPA: 42.234383,-88.532091 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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