General Growth Properties, Inc. (GGP) is a self-administered and self-managed real estate investment trust (REIT). The Company is engaged in owning and operating retail properties to communities, retailers, employees, consumers and shareholders. As of December 31, 2014, the Company owned, either entirely or with joint venture partners, 128 retail properties. The Company's business is conducted through GGP Operating Partnership, LP (GGPOP), GGP Nimbus, LP (GGPN) and GGP Limited Partnership (GGPLP or operating partnership), subsidiaries of GGP. The Operating Partnerships own an interest in the properties of GGP. As of December 31, 2014, GGP held approximately a 99% common equity ownership of the Operating Partnerships. In addition, the Operating Partnerships conduct their operations through General Growth Management, Inc. (GGMI), General Growth Services, Inc. (GGSI) and GGPLP REIT Services, LLC (GGPRS).