Here is a list of 16 Surge Countermeasures categories. It encompasses a wide range including spark killers, lightning arresters, lightning rods, wing pumps, 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.