revision is based here but manufactured in china
same with vishnu
faction is based here and in verbier I think
joystick (basically surface)
4frnt but they're not small and aren't entirely made in the US
7even but they don't make park sksi
That's literally just scratching the surface. There are literally thousands. Most companies I would say are based in the US. Just do your research and I guarantee you could find anything you could think of.