piedmont office realty trust, inc. (nyse: pdm) is a fully integrated and self-managed real estate investment trust (reit) specializing in the ownership and management of high-quality class a office buildings located primarily in the ten largest u.s. office markets, including chicago, washington, d. c., new york, dallas, los angeles, and boston. piedmont's wholly-owned office buildings comprise approximately 21 million rentable square feet. the company is headquartered in atlanta, ga, with local management offices in each of its major markets. investment-grade rated by standard & poor's (bbb) and moody's (baa2), piedmont has maintained a low-leverage strategy while transacting almost $6 billion and approximately $1.5 billion in property acquisitions and dispositions, respectively, during its fifteen year operating history.