Lehman Brothers Holdings Inc. (Pink Sheets: LEHMQ, former NYSE ticker symbol LEH) (pronounced /ˈliːmən/) was a global financial-services firm which, until declaring bankruptcy in 2008, participated in business in investment banking, equity and fixed-income sales, research and trading, investment management, private equity, and private banking. It was a primary dealer in the U.S. Treasury securities market. Its primary subsidiaries included Lehman Brothers Inc., Neuberger Berman Inc., Aurora Loan Services, Inc., SIB Mortgage Corporation, Lehman Brothers Bank, FSB, Eagle Energy Partners, and the Crossroads Group. The firm's worldwide headquarters were in New York City, with regional headquarters in London and Tokyo, as well as offices located throughout the world.