FactoryRegistry
Claim a page

Warner Bros, Foundry CO.

29955 Groesbeck Hwy, Roseville, MI 48066

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

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

Visit websiteDirectionsGo to companyClaim this pageGet the badge
Homepage of Warner Bros, Foundry CO.
Their homepage, crawled AUG 2026

What they make

Aluminum Foundries (except Die-Casting)331524
  • Warner Brothers Foundry
  • castings
  • aluminum
  • core making
  • blasting
  • machining
  • hot isostatic pressing
  • heat treatment
  • additive manufacturing
  • non-destructive testing
  • greater Detroit
  • Michigan area

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

CAREERS
Careers page — seen SEP 8, 2026

Where it is

42.51612, -82.95260 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Tri-way ManufacturingRosevilleIron Foundries
331511
 LIKELY ACTIVE1.3 KM
Wolverine Bronze CORosevilleCopper Rolling, Drawing, Extruding, and Alloying
331420
 ACTIVE1.9 KM
Gf Proto-type Plaster INCFraserOther Nonferrous Metal Foundries (except Die-Casting)
331529
 LIKELY ACTIVE3.3 KM
Wolverine Die Cast-hoover RdWarrenNonferrous Metal Foundries
331522
 UNVERIFIED7.5 KM
Invecast CorporationWarrenSteel Investment Foundries
331512
 UNVERIFIED8.0 KM

Every listed plant in Macomb County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 10 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.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record Y6WHNLUNK1L9 · first seen JAN 2026 · last seen JAN 2026
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 381688453|MI|48066|29955 groesbeck hwy · first seen DEC 2024 · last seen DEC 2024

IN MACOMB COUNTY15 other plants share this one’s industry (Foundries, NAICS 3315); 5 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
SAM.gov: WARNER BROS, FOUNDRY CO. · JAN 2026
Street address
SAM.gov: 29955 GROESBECK HWY · JAN 2026
City
SAM.gov: ROSEVILLE · JAN 2026
State
SAM.gov: MI · JAN 2026
Coordinates
Census geocoder: 42.516121808816,-82.952603216277 · JUL 2026
Employees (band)
DOL: 1-19 · DEC 2024
Website
SAM.gov: www.wbcastings.com · JAN 2026
CAGE code
SAM.gov: 9E499 · JAN 2026
Retirement plan filing (Form 5500)
DOL: 8 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires
SAM.gov: 2027-01-14 · JAN 2026

Report a correction · Request removal