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Electronic Coils, Transformers, and Other Inductors

SIC Industry 3677 — NAICS² Industry 334416

SIC [1987] Manufacturing Electronic & Other Electric Equipment Electronic Components & Accessories Electronic coils & transformers §

8 Registrants

As OfNameLatest Filings SIC
In ascending orderAs Filer As Issuer
Active (in the Past Year, since 1/28/19) in Industry 3677:
Bel Fuse Inc/NJ 8-K SC 13G/A New Filing this Past Week!3677
Torotel Inc DEFM14A 3 OLD3677
— 2 —

Active, but no longer SEC-assigned to nor self-declared in Industry 3677:
Microwave Filter Co Inc/NY 10-Q SC 13D/A3679
— 1 —

Not Active (in the Past Year) as a Registrant:
All Filings are OLD
More... List all, including 5 Inactive Registrants

Businesses & Products of SIC Industry 3677
  • Baluns
  • Coil windings, electronic
  • Coils, chokes and other inductors, electronic
  • Constant impedance transformers
  • Coupling transformers
  • Flyback transformers
  • Transformers, electronic types
  • Transformers: power supply electronic type

Description of SIC Industry 3677 — Electronic Coils, Transformers, and Other Inductors §
Establishments primarily engaged in manufacturing electronic coils, transformers, and inductors. Establishments primarily engaged in manufacturing electrical transformers are classified in Industry 3612; those manufacturing transformers and inductors for telephone and telegraph apparatus are classified in Industry 3661, and those manufacturing semiconductors and related devices are classified in Industry 3674.

§ SEC Review Office (RO) Assigned Filings-Review Responsibility

OM – OfficeofManufacturing

² North American Industry Classification System (NAICS)

SIC [1987] Industry 3677 ⇒ NAICS [2012] Industry Codes

NAICS Code N.A. Industry [2012] SIC Codes
In ascending order
334416Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing3675, 3676, 3677

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