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Metal Improvement Company, LLC

678 W Winthrop Ave, Addison, IL 60101

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Metal Improvement Company, LLC
Their homepage, crawled JUL 2026

What they make

Metal Heat Treating332811

Curtiss-Wright provides surface treatment and metal improvement services including shot peening, laser peening, cavitation peening, peen forming, isotropic superfinishing, and additive manufacturing post processing. The company applies engineered coatings such as parylene coatings, conformal coatings, dry film lubricants, thermal spray coatings, laser cladding, PTA cladding, and plasma electrolytic oxidation coatings, and offers component coating and repair services along with materials testing and analytical services. It serves the space systems industry.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

41.91564, -88.00565 · CENSUS TIGER
COUNTY
METRO AREA
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Every listed plant in DuPage County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 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, EIS, RCRAINFO, TRIS · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGJAN 2026JAN 2026
EPA FRSEXISTENCEJUN 2017AUG 2022
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVJAN 2026
CAGE CODESAM GOVJAN 2026
CITYEPA FRSJUL 2026
CITYSAM GOVJAN 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVJAN 2026
REGISTRATION EXPIRATIONSAM GOVJAN 2026
STATEEPA FRSJUL 2026
STATESAM GOVJAN 2026
WEBSITESAM GOVJAN 2026

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

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