Realty Income (NYSE: O), Equity Commonwealth (NYSE: EQC), and Brookfield Corporation (NYSE: BN) stand out to a few Fool.com contributors because they trade at such attractive valuations. Jason Hall (Realty Income): It's a tough time if you're a capital-intensive business and you don't already have a lot of capital. This is especially true in real estate, where debt financing and stock offerings are your main ways of raising money.