Granath & Granath INC.
Doing business as Sonic Plating Company
At a glance
Employees1-19
In business sinceNot reported
Industry
HeadquartersGardena, CA
SAM.gov UEIFNLZMVK8SFE7
CAGE code57QK1
Incorporated inCA
- metal finishing
- chemical processing
- military
- complies
- NADCAP AC7004
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Granath & Granath INC. | Gardena | 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.


