Spirit Realty Capital (formerly Spirit Finance) inhabits the worldly realm of commercial real estate investment. A self-administered real estate investment trust (REIT), the company specializes in single-tenant, free-standing properties such as restaurants and gas stations. Spirit Realty Capital's portfolio includes more than 1,075 properties that are leased to retail, distribution, and service-oriented firms in more than 45 states. Its biggest tenant, Shopko, contributes more than 25% of rents. Spirit Realty Capital, founded in 2003, also offers commercial mortgage, business, and construction loans and equipment financing. The company filed to go public in 2011.