Facility	City	Industry	Status	Distance
International Road Dynamics Corporation	Spring Grove	All Other Miscellaneous General Purpose Machinery Manufacturing 333998	ACTIVE	0.0 KM
Knoll Steel INC	Spring Grove	All Other Miscellaneous Manufacturing 339999	UNVERIFIED	0.6 KM
Minic Precision, INC.	Spring Grove	Precision Turned Product Manufacturing 332721	ACTIVE	0.9 KM
Jhb Group INC	Solon Mills	Travel Trailer and Camper Manufacturing 336214	ACTIVE	2.9 KM
Dental Craft CORP	Ringwood	All Other Miscellaneous Manufacturing 339999	LIKELY ACTIVE	6.0 KM

Every listed plant in McHenry County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds 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 110001359039 · first seen JUN 2017 · last seen JUN 2017

IN MCHENRY COUNTY115 other plants share this one’s industry (Other Miscellaneous Manufacturing, NAICS 3399); 7 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: THUNDERBOAT CO · OCT 2026
Street address: EPA: 2404D SPRINGRIDGE DRIVE · OCT 2026
City: EPA: SPRING GROVE · OCT 2026
State: EPA: IL · OCT 2026
County (FIPS code): EPA: 17111 · OCT 2026
Coordinates: EPA: 42.434263,-88.244466 · OCT 2026

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