Digital Realty Trust Inc is a Maryland corporation, formed on March 9, 2004. It completed its initial public offering of common stock on November 3, 2004. It operates as a Real Estate Investment Trust. The Company along with its operating partnership and subsidiaries is engaged in the business of owning, acquiring, developing, redeveloping and managing technology-related real estate. The Company provides customer driven datacenter solutions for domestic and international tenants across industry verticals ranging from financial services, cloud and information technology services, to manufacturing, energy, health care and consumer products. The Company's portfolio consisted of approximately 131 properties, including 14 properties held as investments in unconsolidated joint ventures and developable land, of which 105 are located throughout North America, 21 are located in Europe, three are located in Australia and two are located in Asia. Its portfolio is diversified in markets where corporate datacenter and technology tenants are concentrated, including the Boston, Chicago, Dallas, Los Angeles, New York Metro, Northern Virginia, Phoenix, San Francisco and Silicon Valley metropolitan areas in the United States, Amsterdam, Dublin, London and Paris markets in Europe and Singapore, Sydney, Melbourne, Hong Kong and Osaka markets in the Asia Pacific region. The portfolio consists of Internet gateway and corporate datacenter properties, technology manufacturing properties and regional or national offices of technology companies. The Company competes with developers, owners and operators of real estate and datacenters. Its competitors include DuPont Fabros Technology, Inc., CoreSite Realty Corporation, CyrusOne Inc., QTS Realty Trust, Inc. and local developers in the U.S., as well as Global Switch Holdings Limited and other regional operators in Europe, Asia and Australia. Office properties in its markets are subject to various laws, ordinances and regulations, including regulations relating to common areas.