International Securities Exchange Holdings, Inc. was founded in 1997 and is based in New York, New York. As of December 19, 2007, International Securities Exchange Holdings Inc. is a subsidiary of U.S. Exchange Holdings, Inc. International Securities Exchange Holdings, Inc., through its subsidiaries, operates and regulates a registered national securities exchange in the United States. It operates an electronic exchange for options, equities, and alternative derivatives. The company’s exchange provides a trading platform in listed equity and index options and related services that are designed to increase the market for options. It also licenses index products and creates proprietary indexes. International Securities Exchange serves market makers, broker-dealers, investors, and institutions.