On-line Stampco INC
Doing business as California Stamp Company
At a glance
Employees1-19
In business sinceNot reported
HeadquartersSan Diego, CA
SAM.gov UEIEDCXUH6CK5G4
CAGE code4K8B4
Incorporated inCA
- rubber stamps
- nametags
- desk signs
- corporate kits
- professional seals
- self-inking
- wooden hand stamps
- numbering
- inspection
- dater stamps
- solar panels
Named on the company’s own website, read SEP 9, 2026
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| On-line Stampco INC | San Diego | CA | 1–19 | 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.