R.J. O'Brien & Associates is the oldest and largest independent futures brokerage and clearing firm in the United States. A futures commission merchant (FCM), RJO is a full clearing member of: the CME Group (founding member of the Chicago Mercantile Exchange); IntercontinentalExchange (ICE); NYSE Liffe U.S.; and the CBOE Futures Exchange (CFE).

RJO offers the latest in order entry technology coupled with 24-hour execution and clearing on every futures exchange worldwide. Clearing more than 100,000 client accounts, RJO services a global network of more than 400 introducing brokers and many of the world's largest financial, industrial and agricultural institutions.

RJO in the News: Chairman & CEO Gerald Corcoran featured in Crain's Chicago Business, 1/30/12: MF Global's losses are rivals' gains