Ryeson Corporation
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersCarol Stream, IL
US patents9
SAM.gov UEIK8K6KWWWDPV1
CAGE code64334
Incorporated inIL
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
9 US patents granted 1987–2007, none of them in the five years to SEP 2025.
Machine tools 7Measurement 1Mechanical elements 1
- Digital torque wrenchUS 7,234,378 · granted JUN 26, 2007
- Torque wrench with torque range indicator and system and method employing the sameUS 7,089,834 · granted AUG 15, 2006
- Digital torque wrenchUS 7,082,865 · granted AUG 1, 2006
- Coupling with enhanced concentricity maintainability and torque handling capabilityUS 6,799,919 · granted OCT 5, 2004
- Torque screwdriver with indexing means lockUS 6,155,147 · granted DEC 5, 2000
Newest 5 shown · Granted to Ryeson Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Ryeson Corporation | Carol Stream | IL | — | LIKELY 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.