https://en.wikipedia.org/wiki/List_of_largest_companies_by_revenue https://en.wikipedia.org/wiki/List_of_largest_companies_by_r... Leaving off energy companies

https://en.wikipedia.org/wiki/List_of_largest_companies_by_revenue https://en.wikipedia.org/wiki/List_of_largest_companies_by_r... Leaving off energy companies, 9 out of the top 16 companies are American. 4.5% of the world's population, ~55% of the world's great companies. I'm sure at will employment alone wouldn't crush the American economy. But it'd be a hit to it.