The Librem costs a lot! BLU was more reasonably priced. Not sure if they're still putting out new products.

https://shop.puri.sm/shop/librem-5-usa/

https://www.bluproducts.com/home/

Also relevant (since most iPhone manufacturing is not done in the US.)

https://fee.org/articles/a-made-in-america-iphone-would-cost...

Of course, that's a different goal from "making chips in the USA", which is done today, including the best-selling personal computer chips.