Here is a list of 19 Transformers categories. It encompasses a wide range including high voltage isolation transformers, high voltage transformers, audio transformers, power transformers, 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.