Digital Realty Trust is a real estate investment trust that owns and operates data centers. It is the ninth largest publicly traded U.S. REIT and owns 34.5 million rentable square feet. The company has a global reach with more than 210 data center facilities located across five continents. Digital Realty Trust provides data center, colocation and interconnection solutions for domestic and international tenants. Digital Realty caters to a high-quality, diversified mix of 2,300 customers including the likes of Facebook, IBM, LinkedIn, Verizon, AT&T, Comcast, etc. Facebook is its largest customer accounting for approximately 6.8% of the total annual 2018 rent. The company’s revenues can be broadly divided into rental and other services (79% of revenues), tenant reimbursements (20%), and fee income and other (0.3%). Digital Realty has a strong presence in all major U.S. metropolitan areas such as Atlanta, Boston, Chicago, Dallas, Los Angeles, and New York where most data centers and technology tenants are concentrated. The company serves a wide range of industries ranging from financial, cloud and information technology services, communications and social networking to manufacturing, energy, healthcare, and consumer products.