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Metal Improvement Company, LLC

678 W Winthrop Ave, Addison, IL 60101

ACTIVELAST SEEN IN FEDERAL DATA SEP 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

The company provides surface treatment and metal improvement services, including peening, coating, and cladding processes. They work with materials such as parylene, acrylic, urethane, and Everlube products,0- and offer services like laser cladding and AI and PTA cladding. The company serves the space systems market.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Products

Sold by METAL IMPROVEMENT COMPANY, LLC · 2
Bars And Rods · Miscellaneous Fabricated Nonmetallic Materials

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
2 from usaspending_psc · Federal registry
Supplied under federal award 80NSSC17P1720 (2017-09-20), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

41.91564, -88.00565 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Morgan Ohare INCAddisonMetal Heat Treating
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LIKELY ACTIVE0.3 KM
Mexicali Hard ChromeAddisonElectroplating, Plating, Polishing, Anodizing, and Coloring
332813
LIKELY ACTIVE0.4 KM
Usdol Osha- North AuroraAddisonElectroplating, Plating, Polishing, Anodizing, and Coloring
332813
UNVERIFIED0.6 KM
Swd INCAddisonMetal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
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LIKELY ACTIVE0.6 KM
V & L Polishing, INC.AddisonElectroplating, Plating, Polishing, Anodizing, and Coloring
332813
UNVERIFIED0.6 KM

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

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

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