Prologis, Inc. is a major industrial property company based in the United States and operating in the Americas, Europe and Asia markets. The company is the largest owner, manager and developer of distribution facilities in the world and a member of the S&P 500. In 2012, the company had revenues of $2 billion. Prologis, Inc., a real estate investment trust (REIT), owns, operates, and develops industrial real estate in the Americas, Europe, and Asia. As of December 31, 2011, the company owned, or had investments in, on a consolidated basis or through unconsolidated investees, properties and development projects totaling approximately 600 million square feet (55.7 million square meters) in 22 countries. Of the approximately 600 million square feet of its owned and managed portfolio as of December 31, 2011: approximately 559 million square feet were operating industrial distribution buildings, approximately 13 million square feet in its development portfolio, and approximately 25 million square feet consist of properties the company managed on behalf of third parties, properties in which the company had an ownership interest but do not managed, and non-industrial properties the company owned.