Other competitors in the services sector include: Sovran Self Storage Inc (SSS) and PS Business Parks (PSB).

FORBES: Earnings Preview: Public Storage

Sovran Self Storage, Inc (SSS) is one of my least favorite stocks held by small-cap value ETFs and mutual funds and earns my Very Dangerous rating.

FORBES: Tough To Find Quality In Small-Cap Value Funds

Public Storage, Extra Space and Sovran, three publicly traded American self-storers, were up between 30% and 140% since August 2007, while REIT indexes have lost ground.

ECONOMIST: The economics of self-storage: The golden hoard | The