Prototype Cast Manufacturing, INC.
51757 Industrial Dr Unit 2, Macomb, MI 48042
Operating signal within 12 months from two or more independent sources.
What they make
Other Motor Vehicle Parts Manufacturing336390- components
- Army applications
- fabrication
- assembly processes
- adheres
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- ISO 9001
- ITAR registered
Read from this company’s own website on September 11, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Fabtronic INC | Macomb | Industrial Machinery Manufacturing 333249 | UNVERIFIED | 0.0 KM |
| Sterling Die & Engineering INC | Macomb | Forging and Stamping 332116 | LIKELY ACTIVE | 0.1 KM |
| United Machining INC | Macomb | Motor Vehicle Gasoline Engine and Engine Parts Manufacturing 336310 | UNVERIFIED | 0.6 KM |
| Michigan Production Machining INC | Macomb | Machine Shops 332710 | LIKELY ACTIVE | 1.2 KM |
| Tfvv Enterprises, LLC | Shelby Township | Machine Shops 332710 | ACTIVE | 1.4 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 9 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.
- SAM.gov entity registrationOPERATINGRecord WZ72MA89MC79 · first seen MAR 2026 · last seen OCT 2026
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
IN MACOMB COUNTY190 other plants share this one’s industry (Motor Vehicle Parts Manufacturing, NAICS 3363); 101 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: PROTOTYPE CAST MANUFACTURING, INC.
- Street address
- SAM.gov: 51757 INDUSTRIAL DR UNIT 2
- City
- SAM.gov: MACOMB
- State
- SAM.gov: MI
- Coordinates
- Census geocoder: 42.676420831683,-82.970013994476 · JUL 2026
- Website
- SAM.gov: www.prototypecastmfg.com
- Year established
- Company website: 2004 · SEP 2026
- CAGE code
- SAM.gov: 50WH5
- SAM registration expires
- SAM.gov: 2027-03-24