Renton Coil Spring Company
- springs
- prototyping
- aviation
- defense
- spring services
- fatigue testing
- heat treating
- steel
- titanium alloys
- ISO 9001
Named on the company’s own website, read JUL 29, 2026
At a glance
Employees20-99
In business sinceNot reported
Industry
HeadquartersRenton, WA
US patents11
SAM.gov UEIHFJXZWWA4FE3
CAGE code08205
Incorporated inWA
Brands
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Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Certifications
ISO 9001Nadcap
Patents
11 US patents granted 2002–2019, none of them in the five years to SEP 2025.
Mechanical elements 7Other special machines 3Transport 1
- Resiliently mounted armor panelUS 10,408,577 · granted SEP 10, 2019
- Tension spring mountUS 9,970,503 · granted MAY 15, 2018
- Spring and damper systems for attenuating the transmission of energyUS 9,944,144 · granted APR 17, 2018
- Tension spring mountUS 9,689,451 · granted JUN 27, 2017
- Magnetic damperUS 9,457,635 · granted OCT 4, 2016
Newest 5 shown · Granted to Renton Coil Spring Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Renton Coil Spring Company | Renton | WA | 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.