Lehman Brothers Holings Inc. (NYSE: LEH), founded in 1850, is a diversified, global financial services firm. As a top bulge bracket firm, it holds leadership positions in investment banking, equity and fixed income sales, research and trading, investment management, private equity, and private banking. It is a primary dealer in the U.S. Treasury securities market. Its primary subsidiaries include: Lehman Brothers Inc., Neuberger Berman Inc., Aurora Loan Services, Inc., SIB Mortgage Corporation, Lehman Brothers Bank, FSB, and the Crossroads Group. The firm's worldwide headquarters are in New York City, with regional headquarters in London and Tokyo, as well as offices located throughout the world.