Silver Eagle Manufacturing CO
At a glance
Employees20-99
In business since1933
Industry
HeadquartersPortland, OR
US patents3
SAM.gov UEIKLMHN5FACTU7
CAGE code01084
Incorporated inOR
- trailers
- dollies
- military
- chemical
- transportation
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
3 US patents granted 2000–2014, none of them in the five years to SEP 2025.
Transport 3
- Trailer towing system with adjustable drawbarUS 8,794,656 · granted AUG 5, 2014
- Roll-stabilizing fifth wheel apparatusUS 8,146,939 · granted APR 3, 2012
- Converter dolly with adjustable fifth wheel and axle assembly for use in multiple trailer rigsUS 6,056,309 · granted MAY 2, 2000
Granted to Silver Eagle Manufacturing Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Silver Eagle Manufacturing CO | Portland | OR | 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.


