A commodity brokerage firm offers its client's direct market access to futures exchanges such as the Chicago Mercantile Exchange (CME), the Chicago Board of Trade (CBOT), the New York Mercantile Exchange (NYMEX), the Commodity Exchange (COMEX), Intercontinental Exchange (ICE), and others.  Clients typically have the choice of entering futures and options trades via an online futures trading platform, or by calling a trading desk.  Services range from full-service, broker assisted trading, to discount online futures trading.