Prologis, Inc. (Prologis) is a real estate investment trust (REIT) and the general partner of the Prologis, L.P. As of December 31, 2012, Prologis, Inc. owned an approximate 99.59% common general partnership interest in the Prologis, L.P. and 100% of the preferred units in the Prologis, L.P. It operates the REIT and the Operating Partnership as one enterprise. As of December 31, 2012, it owned and managed properties and development projects totaling 554 million square feet (51.5 million square meters) in 21 countries. countries. These properties are leased to approximately 4,500 customers, including third-party logistics providers, manufacturers, retailers, transportation companies and other enterprises. The Company operates in two segments: segments: real estate operations and private capital. In May 2013, Prologis Inc acquired DocData distribution centre.