Xtra (container leasing), Gtech (lottery management) and Sonoco Products (paper products) aren't suitable for a huge fund's concentrated bets.

FORBES: Four Aging Samurai

Others include leasing, credit and debit cards, asset management, securities broking, pensions and insurance.

ECONOMIST: Inconspicuous consumption

After forming a corporation (a surprisingly easy task with lots of private companies competing to help one complete the proper legal steps), Julia approached the public parks agency about the possibility of her leasing the campground and reopening it under private management.

FORBES: When Julia Tried to Start a Business