(No. They have a board of directors who appoint a CEO-person with wide latitude and therefore real political will to implement improvements. Shareholders watch or they can revolt, but not much else. Thankfully.)
If you want to do democracy, the best way to do it would be as bottom-up. The more distributed things are, the harder it is for money to make a mark.
The best democracy would be one where people care fiercely who their local politicians are, and are more or less disinterested in who the president might be.