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Circuit Services, LLC

Doing business as Fralock
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www.fralock.com
Homepage of Circuit Services, LLC
Their homepage, crawled JUL 31, 2026
At a glance
Employees100-499
In business sinceNot reported
HeadquartersChatsworth, CA
SAM.gov UEID5A5MAKM5JP5
CAGE code34FS3
Incorporated inCA
LISTED ON FACTORYREGISTRY100%SOURCE COVERAGE

Brands

Mapson EngineeringMapson EngineeringOasis MaterialsOasis Materials

This company sells these brands.

Fralock Companies manufactures advanced materials and engineered solutions including ceramic heaters, structural ceramics, flexible circuits, flex heaters, etched foil flex cables, gaskets and seals, and specialty laminates such as Cirlex and low temperature co-fired ceramics. The company serves the semiconductor manufacturing, space and defense, industrial electronics and energy, and medical industries.

Summarized from the company’s own website

Supplier designations

For Profit OrganizationManufacturer of Goods

Self-certified by the company in its SAM.gov registration

Their plants

4 FACILITIES
FacilityCityStateEmployeesStatus
Circuit Services, LLCChatsworthCA100–499 ACTIVE
Circuit Services LLC Dba Career Technologies Chatsworth FacilityChatsworthCA UNVERIFIED
Circuit Services LLCNorthridgeCA UNVERIFIED
Circuit Services Worldwide SiteBellevueWA 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.