Refco was a New York City-based financial services company, primarily known as a broker of commodities and futures contracts. It was founded in 1969 by Raymond Earl Friedman as Ray E. Friedman and Co. Prior to its collapse in October, 2005, the firm had over $4 billion in approximately 200,000 customer accounts, and it was the largest broker on the Chicago Mercantile Exchange. The firm's balance sheet at the time of the collapse showed about $75 billion in assets and a roughly equal amount in liabilities.