1 EXHIBIT 21 - SUBSIDIARIES MICROS SYSTEMS, INC. SUBSIDIARIES Jurisdiction Of Name of Subsidiary Incorporation - ------------------ --------------------------- Hospitality Technologies, S.A. Argentina hotelBANK Asia Pacific Pty Ltd. Australia MICROS-Fidelio Australia Pty Ltd. Australia MICROS Foreign Sales Corporation Barbados Merchants Information Solutions, Ltd. Canada MICROS-Fidelio Information Systems (Shanghai) Co. Ltd. China Fidelio Software (China) Ltd. China hotelBANK, Inc. Delaware MICROS of Delaware, Inc. Delaware MSI Delaware, Inc. Delaware MICROS-Fidelio Software Deutschland GmbH Federal Republic of Germany MICROS Systems Holding GmbH Federal Republic of Germany Fidelio Cruise GmbH Federal Republic of Germany MICROS-Fidelio Software GmbH & Co. KG. Federal Republic of Germany Fidelio Nordic Oy Finland Fidelio Technologies, Inc. Florida Fidelio Cruise, Inc. Florida MICROS-Fidelio France, S.A. France Fidelio Software Ltd. Hong Kong Fidelio India Private Ltd. India MICROS-Fidelio Italia S.r.l. Italy MICROS-Fidelio Japan Ltd. Japan MICROS-Fidelio Southeast, Inc. Maryland Merchants Information Solutions, Inc. Maryland MICROS-Fidelio Mexico S.A. de C.V. Mexico MICROS-Fidelio Southwest, Inc. Nevada OPUS 2 Revenue Technologies, Inc. New Hampshire Frontier Business Technologies, Inc. New York Frontier infoSystems of North America, Inc. New York Fidelio Nordic Norway A/S Norway MICROS-Fidelio Software Portugal, ULDA Portugal Fidelio Software (Pte) Ltd. Singapore MICROS Fidelio South Africa (Pty) Ltd. South Africa MICROS-Fidelio Hispania S.L. Spain Fidelio Nordic Sweden A.B. Sweden Hotelbk A.B. Sweden MICROS-Fidelio Software (Thailand) Co. Ltd. Thailand MICROS-Fidelio U.K. Ltd. United Kingdom The Company has additional subsidiaries, which considered in the aggregate as a single subsidiary, do not constitute a significant subsidiary.