Here are some extremely important US factories:
This mind-bogglingly massive industrial complex in Houston makes fuel out of black sludge. The oil refining industry is over $800 billion, and is one of the key foundational industries of of our economy.
Here's a Dow chemical plant in Midland, MI
Aerial view of Huntsville, AL's Toyota factory:
Inside the SpaceX factory:
Texas Instruments' 300mm wafer fab:
Despite all the attention bleeding-edge processes get, the chips that go into embedded devices of all kinds, especially those that live in factories or outdoors, tend to be on much less sensitive processes. Texas Instruments makes over 50 billion chips per year.
A Cummins factory in NY:
Cummins is the world's leading supplier of diesel engines.
Caterpillar factory in Athens, GA:
Intel's new Arizona foundry:
Eli Lilly's North Carolina factory:
Arglass glass factory in Georgia:
Ford's River Rouge plant in Dearborn, MI:
If you seriously think the USA makes nothing because the latest plastic hentai figurine you bought to decorate your gooncave says "Made in China," you do not have a real job.