David Johnson

Penson Worldwide, Inc. is a provider of a broad range of critical securities and futures processing infrastructure products and services to the global financial services industry. Its products and services include securities and futures clearing and execution, financing and cash management technology and other related offerings, and provide tools and services to support trading in multiple markets, asset classes and currencies. Penson Worldwide was founded by Phil A. Pendergraft and Daniel P. Son in 1995 and is headquartered in Dallas, TX.

NYSE Chicago, Inc. offers technology based national securities exchange services. It provides business to transact in all equity securities traded on NYSE, AMEX, NASDAQ, or other national securities exchanges. CHX acts as a venue for hedge funds, options market markers, quantitative, professional and active individual traders that require immediate and automated execution. The firm provides services through its technology products including CHXBD, CHX SHARE and SNAP. The company was founded in 1882 and is headquartered in Chicago, IL.

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.

American Stock Exchange LLC operates as stock and securities exchange. It offers trading of equities, options, exchange traded funds (ETFs) and structured products. The exchange provides a floor-based auction market that focuses in stocks, bonds and exchange-traded funds (ETFs). AMEX lists primarily small and midsized companies and newer issues. It also has a growing business in listing structured products and closed-end funds. The company was founded in 1842 and is headquartered in New York, NY.

Chicago Board of Trade provides trade derivative facilities. It allows speculators throughout the world to interpret economic data, news, and other information. The company was founded on April 3, 1848 and is headquartered in Chicago, IL.

The Clearing Corp. provides financial trading services. The firm acts as a future clearing house, in which the clearing process begins with the execution of a trade through an electronic trading system such as the Eurex U.S. trading platform. The company was founded on December 22, 1925 and is headquartered in Chicago, IL.

Condell Medical Center is a company based in Libertyville, IL.