Gm Proving Grounds

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
FWFord Wixom Assembly Plant	Wixom	Automobile and Light Duty Motor Vehicle Manufacturing 336110	◇ UNVERIFIED	13.0 KM
TTTrailer Technologies Holdings LLC	Wixom	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	▲ REPORTED CLOSED	13.3 KM
Blade Industrial Products INC	Wixom	Gasket, Packing, and Sealing Device Manufacturing 339991	● ACTIVE	14.0 KM
ILInventev LLC	Novi	Motor Vehicle Electrical and Electronic Equipment Manufacturing 336320	● ACTIVE	16.3 KM
MRMichigan Rod Products, INC	Howell	Other Fabricated Wire Product Manufacturing 332618	◐ LIKELY ACTIVE	18.3 KM

Every listed plant in Oakland County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 5 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 OSHA-OIS.

• EPA Facility Registry ServiceEXISTENCE
  Record 110070291565 · first seen SEP 2018 · last seen SEP 2018

IN OAKLAND COUNTY21 other plants share this one’s industry (Motor Vehicle Manufacturing, NAICS 3361); 4 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: GM PROVING GROUNDS · OCT 2026

Street address

EPA: 3300 GENERAL MOTORS RDBLDG 31 · OCT 2026

City

EPA: MILFORD · OCT 2026

State

EPA: MI · OCT 2026

Coordinates

EPA: 42.57684,-83.66227 · OCT 2026