Circuit Services LLC

What they make

• 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 II
  Independence, Chatsworth, CA, US · posted OCT 22, 2026
• Process Engineer 3
  Lenthor Engineering Inc, Milpitas, CA, US · posted OCT 21, 2026
• Buyer 2
  Oasis Materials Poway, Poway, CA, US · posted OCT 10, 2026
• Quality Manager
  Independence, Chatsworth, CA, US · posted OCT 9, 2026
• Manufacturing Engineer II
  Oasis Materials Poway, Poway, CA, US · posted OCT 8, 2026
• Manufacturing Engineer I
  Oasis Materials Poway, Poway, CA, US · posted OCT 8, 2026
• Sales & Customer Support Rep II
  Oasis Materials Poway, Poway, CA, US · posted OCT 6, 2026
• Production Lead
  Valencia, Valencia, CA, US · posted OCT 1, 2026
• Quality Technician 2
  Independence, 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

Where it is

Other plants nearby

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AFA&s Finishing, LLC	Chatsworth	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	◇ UNVERIFIED	4.3 KM
ECE/m Coating Services	Chatsworth	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	◐ LIKELY ACTIVE	4.7 KM
PPPlateronics Processing, INC.	Chatsworth	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	◐ LIKELY ACTIVE	4.9 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in BR, CA-ENVIROVIEW, HWTS-DATAMART, RCRAINFO, TRIS · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110002690188 · first seen JUL 2016 · last seen AUG 2024
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2023

IN LOS ANGELES COUNTY562 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 96 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: CIRCUIT SERVICES LLC · OCT 2026

Street address

EPA: 18640-5 PARTHENIA ST · OCT 2026

City

EPA: NORTHRIDGE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06037 · OCT 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 34.228179845849,-118.539050656445 · JUL 2026

EPA: 34.22824,-118.53957 · OCT 2026 · ON THIS PAGE

Hazardous waste generator (RCRA)

EPA ECHO: LQG · OCT 2026