Dickey Opco, LLC
Doing business as Dickey Manufacturing Company
At a glance
EmployeesNot reported
In business since1911
HeadquartersSaint Charles, IL
US patents5
SAM.gov UEITR3BGFM68JN1
CAGE code5B342
Incorporated inIL
Brands
This company sells these brands.
- Cable Seals
- Metal Seals
- Bolt Seals
- C-TPAT Compliant
- Plastic Adjustable Length
- Plastic Fixed Length
- Heavy Duty Locks and Seals
- Tamper Evident Tape
- Aerospace
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
Certifications
C-TPAT
Patents
5 US patents granted 1976–2007, none of them in the five years to SEP 2025.
Civil engineering 1Audio-visual technology 1Handling 1Mechanical elements 1Transport 1
- Trailer kingpin locking deviceUS 7,306,254 · granted DEC 11, 2007
- Check valveUS 4,535,808 · granted AUG 20, 1985
- Security seal with break-off screw head securementUS 4,342,477 · granted AUG 3, 1982
- Tamper proof plastic security sealUS 4,299,417 · granted NOV 10, 1981
- Well pipe connectorUS 3,958,632 · granted MAY 25, 1976
Granted to Dickey Manufacturing Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Dickey Opco, LLC | Saint Charles | IL | — | 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.