Hilton International hotel management network was named the happiest company in the United States in 2012. Hilton topped the list of 50 companies with the most high employee job satisfaction according to surveys careerbliss.com.This achievement makes the Hilton last year to shift the position occupied by the internet company Google. Besides Hilton, manager of another hotel, the Hyatt, also on the list that is in position 19. But apparently most of the health industry sector registered members in this li...