Mike Mandel has done some interesting digging and developed this rather intriguing list:

He labels them “Investment Heroes” because they invest the most in the US economy. Here is why he finds their action important:

Why is this important? We at PPI see long-term economic prosperity as resting on a three-legged stool: Investment in physical capital, human capital, and knowledge capital.  Higher levels of  investment improve the productivity of U.S. workers, which in turn should show up as higher real wages and greater international competitiveness.  Or to put it another way: Without strong  capital spending at home, the U.S. economy will sink into irrelevance. *

Let’s only note for now that most of those on Mandel’s list also tend to be generally on politicians’ hit lists.