|TransMarket Group LLC|
|Key People||Jim McCormick, President and Chief Executive, Ray Cahnman, Chairman|
TransMarket Group LLC is a privately held global proprietary trading company. It is committed to developing and using technology to execute trading strategies in listed derivatives, equities, commodities and selected cash markets. It has offices in several of the world’s financial centers in addition to its headquarters in Chicago. 
TransMarket Group employs around 350 people globally, including professional traders, information technology experts, software developers, quantitative trade development staff, finance and operations, and administrative staff.
The company was founded in 1980 as Aardvark Financial, Inc. and changed it's name to TransMarket Group in 1984.