Purosil LLC
At a glance
EmployeesNot reported
In business since1958
HeadquartersCorona, CA
US patents2
SAM.gov UEIK2D9JH1H8FA7
CAGE code8P9C9
Incorporated inCA
- silicone hoses
- macromolecular chemistry
- molds
- ovens
- autoclaves
- construction equipment
- heavy truck
- agriculture
- military
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 2020–2025, 1 of them in the five years to SEP 2025.
Mechanical elements 1Medical technology 1
- Device and method for assisting pill swallowingUS 12,427,092 · granted SEP 30, 2025
- Molded hose with fabric layerUS 10,527,204 · granted JAN 7, 2020
Granted to Purosil LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Purosil LLC | Corona | CA | — | 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.