Back when I first started replacing my vintage stereo with real high end it was a bit of a surprise to realize how much of it was made in the USA. California Audio Labs, McCormack, Synergistic Research, Black Diamond Racing, Graham Engineering, Basis, and my speakers were the little-known Linaeum made in Portland, OR. The surprise was because I never paid any attention to where anything was made. It was all selected for being the best performance/value I could find.
Teres Audio was made in Colorado. Now my table and arm are made in the UK. But the excellent Raven Audio is Dave Thompson and he is in Texas. The outstanding Tekton Moab is Eric Alexander in Utah.
Can't forget Lubos, his Moneoone Nova and Supernova power cords are made in the USA.
Perfect Path Solutions was of course USA, and then there is Decware, Bottlehead, Herron, and the list goes on...