Here is a list of the US top 4 steel companies based on revenue and production.
1) Nucor Corp.
4) Alcoa Corp.
Nucor ranked as America’s largest steel producer. Nucore posted 20.25B revenue based on 2018 reports. United States Steel Corp. is another notable company posting. $12.24B revenue.
You can research more at https://www.worldsteel.org/
Here is what the American sentiment is on this topic: