Deansteel Manufacturing CO
At a glance
Employees20-99
In business since1958
HeadquartersSan Antonio, TX
US patents1
SAM.gov UEIYAPHVCJJU7K3
CAGE code29513
Incorporated inTX
- hollow metal doors
- frames
- marine doors
- windows
- blast-resistant doors
- steel
- styles
- widths
- heights
- thicknesses
- construction
- military
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
1 US patent granted NOV 14, 1978.
Civil engineering 1
- Door lock assemblyUS 4,125,281 · granted NOV 14, 1978
Granted to Deansteel Manufacturing Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Deansteel Manufacturing CO | San Antonio | TX | 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.