The Blackstone Group L.P. (NYSE: BX) is an alternative asset management and financial services company that specializes in private equity, real estate, and credit and marketable alternative investment strategies, as well as financial advisory services, such as mergers and acquisitions (M&A), restructurings and reorganizations, and private placements. Blackstone's private equity business has been one of the largest investors in leveraged buyout transactions over the last decade while its real estate business has been an active acquirer of commercial real estate. Over the course of two decades, Blackstone has evolved into one of the world's largest private equity investment firms. Blackstone is headquartered in New York City, with additional offices in the United States, Europe and Asia.