Steel Processing CO

23605 Groesbeck Highway, Warren, MI 48089

UNVERIFIEDLAST SEEN IN FEDERAL DATA AUG 2019 · 2 SOURCES

Present in a source dataset, with no recent operating signal.

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What they make

Metal Heat Treating332811

Where it is

42.46950, -82.98740 · CENSUS TIGER

COUNTY

Macomb County

METRO AREA

Detroit-Warren-Dearborn, MI

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Other plants nearby

Facility	City	Industry	Status	Distance
Cadillac Plating CORP	Warren	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	LIKELY ACTIVE	0.1 KM
Ppi Aerospace	Warren	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	0.2 KM
Pioneer Metal Finishing - Stephens Road	Warren	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.3 KM
Warren	Warren	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.7 KM
Pioneer Metal Finishing Industrial Hwy	Warren	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.8 KM

Every listed plant in Macomb County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 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 AIR, AIRS/AFS, NPDES, RCRAINFO · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen AUG 2019 · last seen AUG 2019
EPA Facility Registry ServiceEXISTENCE
Record 110040496950 · first seen JAN 2015 · last seen JAN 2015

IN MACOMB COUNTY77 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 34 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: STEEL PROCESSING CO · OCT 2026
Street address: EPA: 23605 GROESBECK HIGHWAY · OCT 2026
City: EPA: WARREN · OCT 2026
State: EPA: MI · OCT 2026
County (FIPS code): EPA: 26099 · OCT 2026
Coordinates: EPA: 42.4695,-82.9874 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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