Boston Properties, Inc. is a fully integrated, self-administered and self-managed real estate investment trust (REIT). The Company is engaged in owning and developing office properties in the United States. The Company's properties are concentrated in four markets: Boston, New York, San Francisco and Washington, DC. The Company conducts all of its business through its subsidiary, Boston Properties Limited Partnership. The Company considers office/technical properties to be properties that support office, research and development, laboratory and other technical uses. The Company is also engaged in providing resources in acquisitions, development, financing, capital markets, construction management, property management, marketing, leasing, accounting, risk management, tax and legal services.