Facility	City	Industry	Status	Distance
Marathon 132	Spring Grove	All Other Miscellaneous Manufacturing 339999	UNVERIFIED	0.3 KM
Minic Precision, INC.	Spring Grove	Precision Turned Product Manufacturing 332721	ACTIVE	0.4 KM
Thunderboat CO	Spring Grove	All Other Miscellaneous Manufacturing 339999	UNVERIFIED	0.6 KM
International Road Dynamics Corporation	Spring Grove	All Other Miscellaneous General Purpose Machinery Manufacturing 333998	ACTIVE	0.6 KM
Jhb Group INC	Solon Mills	Travel Trailer and Camper Manufacturing 336214	ACTIVE	2.3 KM

Every listed plant in McHenry County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 5 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in ACES, AIR, AIRS/AFS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	JAN 2021
EPA ECHO	OPERATING	SEP 2011	SEP 2011

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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