Here is a list of 28 Integrated Circuits categories. It encompasses a wide range including ic linear regulators, microwave monolithic integrated circuits (mmic), fpgas, load switch ics, etc. You can search for an overview, principle, and usage of each category, as well as find manufacturers and distributors.
*This ranking is solely among the companies registered with Metoree, sorted by the number of employees. Please use this as a rough guide to understand their scale.