EX-21 5 file004.txt SUBSIDIARIES OF ESPEED, INC. Exhibit 21 Subsidiaries of eSpeed, Inc. Name Place of Incorporation or Organization ---- -------------------------------------- eSpeed Securities, Inc. Delaware eSpeed Government Securities, Inc. Delaware eSpeed Markets, Inc. Delaware eSpeed International Limited England and Wales eSpeed (Australia) Pty Limited New South Wales, Australia eSpeed (Canada), Inc. Nova Scotia eSpeed (Japan) Limited Japan eSpeed (Hong Kong) Holdings I, Inc. Delaware eSpeed (Hong Kong) Holdings II, Inc. Delaware eSpeed (Hong Kong) Limited Hong Kong