Cooper Mat LLC
20251 Sherwood St, Detroit, MI 48234
Operating signal within 24 months, or from a single source.
What they make
Metal Heat Treating332811- heat treating
- metal finishing
- plastic injection molds
- ferritic nitrocarburizing
- steam oxide
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Woodworth INC. | Detroit | Metal Heat Treating 332811 | LIKELY ACTIVE | 0.1 KM |
| Nex-gen Advancements, LLC | Detroit | Electroplating, Plating, Polishing, Anodizing, and Coloring 332813 | ACTIVE | 1.0 KM |
| Crown Group the Detroit | Detroit | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812 | UNVERIFIED | 1.3 KM |
| Warren Truck Assembly Plant (wtap) | Warren | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812 | LIKELY ACTIVE | 1.7 KM |
| Fitzgerald Finishing LLC | Detroit | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812 | LIKELY ACTIVE | 2.6 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 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.
- SAM.gov entity registrationOPERATINGRecord VESFZ4TV5JT9 · first seen APR 2026 · last seen APR 2026
- SBA Paycheck Protection Program loan recordsEXISTENCERecord MI|detroit|20251 sherwood st · first seen JAN 2021 · last seen JAN 2021
IN WAYNE COUNTY71 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 31 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: COOPER MAT LLC · APR 2026
- Street address
- SAM.gov: 20251 SHERWOOD ST · APR 2026
- City
- SAM.gov: DETROIT · APR 2026
- State
- SAM.gov: MI · APR 2026
- Coordinates
- Census geocoder: 42.445131236892,-83.034509489305 · JUL 2026
- Employees (band)
- SBA PPP: 1-19 · JAN 2021
- Website
- SAM.gov: www.cooperht.com · APR 2026
- CAGE code
- SAM.gov: 9SXT8 · APR 2026
- PPP loan
- SBA PPP: PPP loan x2, approved 2021-01-27, 18 jobs reported · JAN 2021
- SAM registration expires
- SAM.gov: 2027-04-08 · APR 2026

