At various times, Teledyne, Inc., had more than 150 companies with interests as varied as insurance, dental appliances, specialty metals, and aerospace electronics, but many of these had been divested prior to the merger with Allegheny. The new Teledyne Technologies was initially composed of 19 companies that were earlier in Teledyne, Inc. By 2011, Teledyne Technologies had grown to include nearly 100 companies.