R.J. O'Brien & Associates LLC 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) and all its markets; IntercontinentalExchange (ICE); NYSE Liffe U.S.; and the CBOE Futures Exchange (CFE).more...See more text