EXHIBIT 21 SUBSIDIARIES OF NCR CORPORATION Organized under the Laws of Compris Technologies, Inc. Georgia Data Pathing Incorporated Delaware International Investments Inc. Delaware The National Cash Register Company Maryland NCR Autotec Inc. Delaware NCR European Logistics, Inc. Delaware The NCR Foundation Ohio NCR Government Systems Corporation Delaware NCR International, Inc. Delaware NCR Ivory Coast, Inc. Delaware NCR Overseas Trade Corporation Delaware NCR Personnel Services Inc. Delaware NCR Scholarship Foundation Ohio North American Research Corporation Delaware Old River Software Inc. Delaware Quantor Corporation Delaware Sparks, Inc. Ohio Teradata Corporation Delaware Teradata International Corporation Delaware The Microcard Corporation Delaware NCR Argentina S.A. Argentina NCR Australia Pty. Limited Australia NCR Superannuation Nominees, Ltd. Australia NCR Oesterreich Ges.m.b.H. Austria NCR (Bahrain) W.L.L. Bahrain NCR Belgium & Co. Belgium NCR (Bermuda) Limited Bermuda NCR Services Limited Bermuda Global Assurance Limited Bermuda NCR Brasil Ltda Brazil NCR Monydata Ltda. Brazil NCR Bulgaria Ltd. Bulgaria NCR Cameroon, S.A. Cameroon NCR Canada Ltd. Canada NCR de Chile, S.A. Chile NCR (Shanghai) Technology Services Ltd. China NCR Colombia S.A. Colombia NCR Croatia d.o.o. Croatia NCR (Cyprus) Limited Cyprus NCR (Middle East) Limited Cyprus NCR (North Africa) Limited Cyprus NCR (IRI) Ltd. Cyprus NCR Danmark A/S Denmark NCR Dominicana C. por A. Dominican Republic NCR Finland Oy Finland NCR Petrol Management Systems Oy Finland NCR France S.A. France NCR Antilles S.A.R.L. France NCR Gabon S.A.R.L. Gabon NCR Holding GmbH Germany NCR GmbH Germany NCR OEM Europe GmbH Germany NCR Central and Eastern Europe GmbH Germany NCR Czeska republika spol. s.r.o. Czech Republic NCR Ghana Limited Ghana NCR (Hellas) S.A. Greece NCR Foreign Sales Corporation Guam NCR (Hong Kong) Limited Hong Kong NCR (China) Limited Hong Kong NCR (Asia) Limited Hong Kong NCR Asia Pacific Logistics Center Limited Hong Kong NCR Magyarorszag Kft. Hungary NCR Corporation India Private Limited India P. T. NCR Rencana Indonesia NCR Italia S.p.A. Italy NCR Japan, Ltd. Japan NCR Japan Sales Co., Ltd. Japan NCR Holdings Ltd. Japan NCR (Kenya) Limited Kenya Afrique Investments Ltd. Kenya Data Processing Printing and Supplies Limited Kenya NCR Korea Co., Ltd. Korea NCR (Macau) Limited Macau NCR (Malaysia) Sdn. Bhd. Malaysia EPNCR (Malaysia) Sdn. Bhd. Malaysia Compu Search Sdn Bhd Malaysia NCR de Mexico, S.A. de C.V. Mexico NCR (Maroc) Morocco NCR Nederland N.V. Netherlands NCR European Logistics Center BV Netherlands NCR EMEA Regional Care Center B.V. Netherlands NCR Financial Shared Services Center B.V. Netherlands NCR (NZ) Limited New Zealand NCR (Nigeria) PLC Nigeria NCR Norge A/S Norway NCR Corporation de Centro-America, S.A. Panama NCR Corporation de Panama, S.A. Panama NCR del Peru S.A. Peru NCR Corporation (Philippines) Philippines NCR Software Corporation (Philippines) Philippines NCR Polska Sp.z.o.o. Poland NCR Portugal-Informatica, Lda Portugal NCR Corporation of Puerto Rico Puerto Rico NCR Romania Information Technology S.R.L. Romania NCR A/O Russia NCR Singapore Pte Ltd Singapore NCR Asia Pacific Pte Ltd. Singapore NCR Slovensko spol. s.r.o. Slovakia NCR I.T. d.o.o. Slovenia NCR International (South Africa) (Pty) Ltd. South Africa NCR Espana, S.A. Spain NCR (Switzerland) Switzerland National Registrierkassen AG Switzerland NCR Systems Taiwan Limited Taiwan NCR Taiwan Software Ltd Taiwan NCR (Thailand) Limited Thailand NCR Tunisia, Societe Anonyme Tunisia NCR Bilisim Sistemleri, A.S. Turkey NCR UK Group Limited United Kingdom NCR Limited United Kingdom NCR (Holdings) Ltd. United Kingdom NCR Properties Limited United Kingdom Express Boyd Limited United Kingdom NCR Capita Limited United Kingdom NCR Financial Solutions Group Limited United Kingdom NCR Treasury Services Limited United Kingdom Regis Court Management Limited United Kingdom NCR Capita (May) Limited United Kingdom Melcombe Court Management (Marylebone) Limited United Kingdom Teradata UK Ltd United Kingdom NCR (Zambia) Ltd. Zambia NCR Zimbabwe (Private) Limited Zimbabwe N Timms & Co. (Private) Limited Zimbabwe