GFI Group Inc., through its subsidiaries, provides brokerage, trading technologies, and support services for over-the-counter and listed markets in the United States, the United Kingdom, and internationally. The company provides brokerage services in various fixed income derivatives, bond instruments, and other related fixed income products; and non-derivative credit instruments, such as investment grade and high yield corporate bonds, Eurobonds, European government bonds, bank capital preferred shares, asset-backed bonds, and floating rate notes. It also offers brokerage services in financial instruments, including foreign exchange options, exotic options, U.S. Dollar and non-U.S. Dollar interest rate swaps and options, repurchase agreements, forward and non-deliverable forward contracts, inflation derivatives, and government and municipal bond options; and cash-based and derivative equity products comprising the U.S. domestic and international equity stocks, global depositary receipts, and American depositary receipts, as well as equity derivatives based on indices, stocks, or customized stock structures. In addition, the company provides brokerage services in a range of cash-based and derivative commodity and energy products consisting of oil, natural gas, electricity, and wet and dry freight derivatives. Further, it licenses multi-asset class electronic trading and order management software to brokers, exchanges, and traders in the commodities, fixed income, currencies, and equities markets. GFI Group Inc. was founded in 1987 and is headquartered in New York, New York.