Specialty Steel Treating INC
At a glance
Employees20-99
In business sinceNot reported
Industry
HeadquartersFraser, MI
SAM.gov UEIYC6LEFLHM5V6
CAGE code0HUB5
Incorporated inMI
Brands
Carburizing
Transmission
Steel quenching heat treatment
Vacuum Heat TreatmentThis company sells these brands.
- heat treatment services
- case hardening
- oil quenching
- tempering steel
- precipitation hardening
- annealing steel
- vacuum heat treatment
- automotive
- aerospace
- rail
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationSubchapter S CorporationWoman Owned Business
Self-certified by the company in its SAM.gov registration
Their plants
6 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Specialty Steel Treating - CT | East Granby | CT | 20–99 | LIKELY ACTIVE |
| Specialty Steel Treating INC | Farmington | MI | — | LIKELY ACTIVE |
| Specialty Steel Treating - Farmington Hills | Farmington Hills | MI | 20–99 | LIKELY ACTIVE |
| Specialty Steel Treating INC | Fraser | MI | 20–99 | LIKELY ACTIVE |
| Specialty Steel Treating - Malyn | Fraser | MI | 20–99 | LIKELY ACTIVE |
| Specialty Steel Treating INC | Fraser | MI | 20–99 | 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.


