Hilton T. Sheng

R.J. O'Brien & Associates LLC provides brokerage and clearing services. It offers a range of services to a global network of introducing brokers, as well as to commercial, institutional, international, and individual investors; and agriculture, energy, equity indices, fixed income, foreign exchange, metals, soft commodities, and structured products markets. The company was founded by John V. McCarthy on October 17, 1914 and is headquartered in Chicago, IL.

Cargill Investor Services, Inc. provides trading and execution services. It also performs securities research, foreign exchange & risk management services, as well as outsourced facilities and technology management. The company has seven offices in the United States, Europe and Singapore. Cargill was founded in 1973 and is headquartered in Chicago, IL.

UBS Investment Bank provides investment banking and securities brokerage services. Its clients include institutional and corporate clients, intermediaries, governments, and hedge funds. The firm also provides merger and acquisition advisory, private placement, investment research, foreign exchange, equity, and leverage finance advisory services. The firm is headquartered in San Francisco, CA.

PVM Oil Associates Ltd. opened in 1980 with two employees and now, together with its sister company PVM Oil Futures Ltd., employs 90 people in its Jermyn Street office in London's West End. The company's commitment has been to provide a complete broking service for the oil industry. The London crude oil group has 15 brokers covering the Brent, WTI, Dubai, Urals, paper, physical and EFP markets. It has been the leading international team for over 25 years and has an unparalleled depth of experience. The options group has 5 brokers focusing on crude oil. The petroleum products group has 22 brokers covering LPG, naphtha, gasoline, jet fuel, gasoil and fuel oil. The broking teams have expertise on both the physical and swaps markets and the facility to call on input from the crude and futures groups to develop crack and margin business. The London broking operation is unique in the strength of its OTC crude, futures and products groups which combine to provide a unique service. No other group matches PVM's volume of business, depth of coverage or stability of staff.

Part of MF Global Holdings Ltd., Refco LLC is a company that provides securities brokerage and advice services. The company is based in Chicago, IL. Refco was acquired by Man Financial Ltd. from Refco, Inc. on November 28, 2005 for $282 million.