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onExchange, Inc., provides an open-standards-based back office technology systems and development frameworks to clearinghouses, banks, and brokerage firms. Its technology has been selected for use in energy clearing houses such as London Clearing House and EnergyClear Operations Company LLC. onExchange technology partners include BEA Systems Inc., IBM Corporation, Hewlett Packard, Oracle Corporation and Sun Microsystems, Inc. The Company is privately held and headquartered in Cambridge, Mass.