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).
CME Group is the world's leading and most diverse derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.