Steel Industries INC
At a glance
Employees100-499
In business sinceNot reported
Industry
HeadquartersRedford, MI
US patents1
SAM.gov UEITCQFNQRNYSD3
CAGE code48LU3
Incorporated inDE
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Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
1 US patent granted AUG 21, 1990.
Machine tools 1
- Hydraulic and electrical circuits for a heavy-duty sawUS 4,949,611 · granted AUG 21, 1990
Granted to Steel Industries, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
3 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Steel Industries Plant 1 | Detroit | MI | — | LIKELY ACTIVE |
| Steel Industries INC | Redford | MI | — | ACTIVE |
| Steel Industries Plant 4 | Redford | MI | — | LIKELY ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.