Detroit Assembly Complex Mack

4000 St Jean St, Detroit, MI 48214

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Automobile and Light Duty Motor Vehicle Manufacturing336110

Where it is

42.38110, -82.97982 · CENSUS TIGER

COUNTY

Wayne County

METRO AREA

Detroit-Warren-Dearborn, MI

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Other plants nearby

Facility	City	Industry	Status	Distance
Chrysler Mack Avenue Engine Plant Complex	Detroit	Other Engine Equipment Manufacturing 333618	LIKELY ACTIVE	0.8 KM
Fca US LLC - Jefferson North Assembly Plant	Detroit	Automobile and Light Duty Motor Vehicle Manufacturing 336110	LIKELY ACTIVE	1.4 KM
Detroit Assembly Complex Jefferson	Detroit	Automobile and Light Duty Motor Vehicle Manufacturing 336112	LIKELY ACTIVE	1.5 KM
Msx Intl Special Vehicles	Detroit	Transportation Equipment Manufacturing 336000	UNVERIFIED	5.2 KM
General Motors Mlcg Detroit-hamtramck Assem Bly Center	Detroit	Automobile and Light Duty Motor Vehicle Manufacturing 336110	LIKELY ACTIVE	5.4 KM

Every listed plant in Wayne County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 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 CEDRI, TRIS · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 684370 · first seen DEC 2025 · last seen DEC 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110070889284 · first seen JAN 2021 · last seen JAN 2021

IN WAYNE COUNTY39 other plants share this one’s industry (Motor Vehicle Manufacturing, NAICS 3361); 13 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: DETROIT ASSEMBLY COMPLEX MACK · OCT 2026
Street address: EPA: 4000 ST JEAN ST · OCT 2026
City: EPA: DETROIT · OCT 2026
State: EPA: MI · OCT 2026
County (FIPS code): EPA: 26163 · OCT 2026
Coordinates: EPA: 42.3811,-82.97982 · OCT 2026
Employees (band): OSHA: 500+ · DEC 2025

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