that depends on the brand you are speaking of - this is a relatively accurate rundown of who owns and who makes what - it's from 2014 and I think there are a few more victims that are out of production.
https://todaysmower.com/2014-lawn-ya...manufacturers/
the electric stuff at the big box stores is all chinese I would assume - swisher, ryobi, turf-one, Ego/ego power+ etc