In fact, in June he's planning to climb the last of the seven summits, North America's tallest mountain, Mount McKinley or Denali, in Alaska.

CNN: Walking to the South Pole

The U.S. government is another big customer: Aramark provides lodging and tours not only to Ellis Island but to such U.S. national parks as Denali National Park in Alaska (home of Mount McKinley).

FORBES: Sprinklers to sausages