Whitmore Steel, INC
Doing business as Whitmore Steel INC
At a glance
Employees1-19
In business since1995
HeadquartersSpring Valley, CA
SAM.gov UEIL79EX2MPQ2Z5
CAGE code0QVT7
Incorporated inCA
- fabrication
- erection
- detailing
- project management
- miscellaneous metals
- prefabricated platforms
- support structures
- healthcare
- mission critical
- infrastructure projects
- AISC-certified structural steel fabricator
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationMinority Owned Business
Self-certified by the company in its SAM.gov registration
Certifications
MBE
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Whitmore Steel, INC | Spring Valley | CA | 1–19 | 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.


