Fil-coil International LLC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersSayville, NY
SAM.gov UEISNFGMML9MCX3
Custom Power Systems, founded in 1985, is a US-based electronics manufacturing services provider operating through affiliated companies that produce electromagnetic filters for power lines, data communications, HEMP, RFI/EMI, and MRI applications ranging from 1 to 2000 amperes, as well as active and passive electromagnetic delay lines. The company serves defense and commercial applications and holds Underwriters Laboratory (UL) approval, operates in accordance with ITAR COMPLIANCE, and implements quality standards per ISO 9001 and MIL-I-45208.
Summarized from the company’s own website
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Fil-coil International LLC | Sayville | NY | — | 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.

