Simon Property Group is one of the largest real estate companies in the United States. It owns and manages more than 350 retail and mixed-use real estate properties in various locations in North America, Europe and Asia. The Company is headquartered in Indianapolis, and employs more than 5,000 people worldwide. It offers a variety of services, including leasing, development and property management. The company also provides facility operation, security, procurement and property tax management services. In addition, Simon Property Group offers construction, maintenance, property analysis and budgeting services. The company manages a staff of marketing and leasing professionals. Simon Property Group owns and manages various shopping centers in the U.S.