Lawrence Latimer

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.

LFG LLC provides futures brokering services. The company is based in Chicago, IL. LFG was acquired by REFCO Group Ltd. LLC on April 05, 2000.

Cboe Exchange, Inc. provides options exchange services. It trades equity options, security index options, options on exchange traded notes and products, binary options, one-week and quarterly options, long-term equity anticipation securities options, and flexible exchange options. The firm also provides information on various stock and options trading strategies, options trading tools, stock and option quotes and data; and options information and education. Additionally, they offer access to product information, conference notices, portfolio management tools, and educational materials for institutional investors and products and strategies for advisors to protect client’s portfolios. The company was founded in 1973 and is headquartered in Chicago, IL.