Manufacturers of soft-ferrite^† and iron-powder^** cores

The following is a representative list of companies active in the USA and UK, from the large number of manufacturers of ferrites. It is included by way of illustration only and does not claim to be exhaustive. No responsibility can be taken for the accuracy of the details given. Many of the companies listed have subsidiaries or agents in most major countries of the developed world. In some cases, an entry is itself the national subsidiary of a company based in another country.