Circuit Services, LLC
Doing business as Fralock
At a glance
Employees100-499
In business sinceNot reported
HeadquartersChatsworth, CA
SAM.gov UEID5A5MAKM5JP5
CAGE code34FS3
Incorporated inCA
Brands
Mapson Engineering
Oasis MaterialsThis company sells these brands.
- ceramic lift pins
- heaters
- semiconductor
- medical
- flex circuits
- gaskets
- seals
- defense
- electronics
Named on the company’s own website, read JUL 29, 2026
Open positions
Openings read from Circuit Services, LLC’s own job board on ADP, last checked OCT 26, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Manufacturing Engineer IIIndependence, Chatsworth, CA, US · posted OCT 22, 2026
- Process Engineer 3Lenthor Engineering Inc, Milpitas, CA, US · posted OCT 21, 2026
- Buyer 2Oasis Materials Poway, Poway, CA, US · posted OCT 10, 2026
- Quality ManagerIndependence, Chatsworth, CA, US · posted OCT 9, 2026
- Manufacturing Engineer IIOasis Materials Poway, Poway, CA, US · posted OCT 8, 2026
- Manufacturing Engineer IOasis Materials Poway, Poway, CA, US · posted OCT 8, 2026
- Sales & Customer Support Rep IIOasis Materials Poway, Poway, CA, US · posted OCT 6, 2026
- Production LeadValencia, Valencia, CA, US · posted OCT 1, 2026
- Quality Technician 2Independence, Chatsworth, CA, US · posted SEP 30, 2026
- CNC Programmer II (Laser)Valencia, Valencia, CA, US · posted SEP 26, 2026
32 more on the company’s board
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Their plants
4 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Circuit Services, LLC | Chatsworth | CA | 100–499 | ACTIVE |
| Circuit Services LLC Dba Career Technologies Chatsworth Facility | Chatsworth | CA | — | UNVERIFIED |
| Circuit Services LLC | Northridge | CA | — | UNVERIFIED |
| Circuit Services Worldwide Site | Bellevue | WA | — | UNVERIFIED |
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.


