Coilcraft Vendor of magnetic components for RF, power and filtering http://www.coilcraft.com

Steward Manufactures ferrite EMI shielding and filtering components, wide band transformer and filter cores, copier developer materials, custom ferrite powders and iron silicide powders. http://www.steward.com/

AD-Vance Magnetics Manufacturers of magnetic shielding. Shielding for electrical components, monitors, CRTs, military applications. http://www.advancemag.com/

ACT A manufacturer of inductors, EMI suppressors, chokes, coils and transformers. http://www.act1.com/

ERA Vendor who produces transformers, fine-wire coils and pre-formed cables. http://www.era.de/

Advanced Materials Corporation Manufacturer in the research and development of advanced materials such as: high energy permanent magnets, soft and hard ferrites, metal hydrides and Acousto-Optic (AO) crystal. http://advanced-material.com/

Almag Emc suppression chokes, pfc power chokes, lighting dimmer emc chokes, lighting and power transformers, powder and ferrite magnetic cores and magnetic sensors. http://www.almag.co.uk/

API Delevan Manufacturer of surface mount and thru-hole inductors, chokes and coils. http://www.delevan.com/

BI Technologies Manufacturer of passive, magnetics and microcircuit modules. http://www.bitechnologies.com/

Ceramic Magnetics, Inc. Manufacturer of ferrite cores and materials, including materials in standard and non-standard core sizes and geometries. http://www.cmi-ferrite.com/

Coiltronics Incorporated Manufacturer of transformers, inductors, chokes and coils, including toroids, E-core, EMI, RFI, SMT, SMD, steel laminated, for DC-DC and switchmode applications requiring high frequency magnetics. http://www.coiltronics.com/

Conductive Coatings An EMI/RFI shielding solutions provider. http://www.ccoatings.com/

Fastron GmbH Manufacturer of inductive components (leaded and SMD inductors, transformer and stripwound cores) and high precision sheet metal products. http://www.fastron.de

Neosid Pemetzrieder GmbH & Co. Developer of ferrites, inductive components, and RF modules. http://www.neosid.de

Wearnes Cambion Ltd Manufacturer specialising in electro-mechanical and inductive products such as rfid, rf chokes, coil forms, connectors, terminals and sockets. http://www.cambion.co.uk/

Fair-Rite Products Corp Soft ferrite component manufacturer offers a wide variety of EMI shielding products and EMI suppressors. http://www.fair-rite.com/index.htm

Deerfield Laboratory Manufactures video isolation transformers that eliminate ground loop noise and 60 cycle hum from video. http://www.deerfieldlab.com

Top-View Coil Products Co Ltd Manufacturer of coils and inductors. The product range includes surface-mount transformers, choke coils, inductor coils, toroidal coils and watch choke coils. http://www.topview.com.hk

NSD, Inc. Designer and manufacturer of transformers, chokes and inductors for a variety of applications. http://www.nsdmag.com

Mostec, Inc. Manufacturer of low and high voltage goils, chokes, transformers, inductors, and filters. http://www2.osk.3web.ne.jp/~mostec/