Jamal Oulhadj

Chicago Mercantile Exchange Inc. operated a stock exchange. The company was founded on November 13, 2000 and was headquartered in Chicago, IL.

REFCO Group Ltd. LLC provides clearing and execution services for exchange-traded derivatives. It offers prime brokerage services in the fixed income and foreign exchange markets. The company acts as broker for cash market products, including foreign exchange, foreign exchange options, government securities, domestic and international equities, emerging market debt and OTC financial and commodity products. REFCO Group is located in New York, NY

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.

JVMC Holdings Corp. provides investment services. The company was founded in 2007 and is headquartered in Chicago, IL.

Part of RTS Investor Corp., R.J. O'Brien Fund Management LLC is a company that provides fund management services. The company is based in Chicago, IL.

Part of RTS Investor Corp., R.J. O'Brien (Europe) Ltd. is a British company that provides brokerage services. The company is based in London, UK. Founded in 2010.

Part of RTS Investor Corp., R.J. O'Brien Ltd. is a British company that provides derivatives broking and hedge fund management services. The company is based in London, UK. Founded in 1984.