**Exhibit 21.1****GTECH Holdings Corporation Subsidiaries**   Name of Subsidiary Jurisdiction of Organization   GTECH Corporation Delaware   GTECH Reinsurance Company Vermont**GTECH Corporation Subsidiaries**   Name of Subsidiary Jurisdiction of Organization   Anguilla Lottery and Gaming Company, Ltd. Anguilla   Antigua Lottery Company, Ltd. Antigua   Beijing GTECH Computer Technology Company Ltd. China (PRC)   BillBird S.A. Poland   BTN Telecomunicacoes Ltda. Brazil   Cam Galaxy Group Ltd. United Kingdom   Caribbean Cricket Lottery, Inc. Barbados   Caribbean Lottery Services, Inc. USVI   Curacao Lottery Company, N.V. Netherlands Antilles   Data Transfer Systems, Inc. Delaware   DataTrans Sp. z.o.o. Poland
 

 
   Name of Subsidiary Jurisdiction of Organization   Dreamport do Brasil Ltda. Brazil   Dreamport International, Inc. Delaware   Dreamport Suffolk Corporation Delaware   Dreamport, Inc. Delaware   Europrint (Games) Ltd. United Kingdom   Europrint Holdings Ltd. United Kingdom   Europrint Promotions Ltd. United Kingdom   G.I.C. Uslugi Finansowe Sp. z o.o. Poland   Gana de Mexico de C.V. Mexico   Grytek Sp z o.o. Poland   GTECH Asia Corporation Delaware   GTECH Australasia Corporation Delaware   GTECH Avrasya Teknik Hizmetler Ve Musavirlik A.S. Turkey   GTECH Brazil Ltda. Brazil   GTECH Canada Computer Systems Corporation Canada   GTECH Child Care Center Rhode Island   GTECH Colombia Ltda. Colombia
-2-

 
   Name of Subsidiary Jurisdiction of Organization   GTECH Communicaciones Colombia Ltd. Colombia   GTECH Computer Systems Sdn Bhd Malaysia   GTECH Corporation Utah   GTECH Cote d’Ivoire Ivory Coast   GTECH Czech Services s.r.o. Czech Republic   GTECH Eastern Europe Sp. z o.o. Poland   GTECH Eesti Ltd. Estonia   GTECH Espana Corporation Delaware   GTECH Europe Belgium   GTECH Far East Pte Ltd Singapore   GTECH Foreign Holdings Corporation Delaware   GTECH France SARL France   GTECH Gaming Subsidiary 2 Corporation Delaware   GTECH German Holdings Corporation Gmbh Germany   GTECH Global Lottery S.L. Spain   GTECH Global Services Corporation Limited Cyprus   GTECH GmbH Germany
-3-

 
   Name of Subsidiary Jurisdiction of Organization   GTECH Ireland Corporation Delaware   GTECH Ireland Operations Limited Ireland   GTECH Italia Srl Italy   GTECH Italy Corporation Delaware   GTECH Lanka (Private) Ltd. Sri Lanka   GTECH Latin America Corporation Delaware   GTECH Management P.I. Corporation Delaware   GTECH Mexico S.A. de C.V Mexico   GTECH Northern Europe Corporation Delaware   GTECH Rhode Island Corporation Rhode Island   GTECH Slovakia Corporation Delaware   GTECH South Africa Corporation Delaware   GTECH Southern Africa (Pty) Ltd. South Africa   GTECH Sweden AB Sweden   GTECH U.K. Limited United Kingdom   GTECH Ukraine Ukraine   GTECH WaterPlace Park Company, LLC Delaware
-4-

 
   Name of Subsidiary Jurisdiction of Organization   GTECH West Greenwich Technology Associates GP, LLC Delaware   GTECH Worldserv, Inc. Delaware   GTECH Worldserve International, Inc. Delaware   GTECH Worldwide Services Corporation Delaware   GTECHNOVA Holdings Limited Cyprus   Innoka Oy Finland   Interactive Games International Ltd. United Kingdom   JSJ Ltd. United Kingdom   Leeward Islands Lottery Holding Company, Inc. St. Kitts & Nevis   Leeward Sports Book Virtual Casino, Inc. Co. Antigua & Barbuda   Lottery Equipment Company Ukraine   On-Line Lottery License and Lease B.V. Netherlands   Online Transaction Technologies SARL a Associe Unique Morocco   Oy GTECH Finland Ab Finland   PolCard S.A. Poland   Prodigal Lottery Services, N.V. Netherlands Antilles   SB Industria E Commercio Ltd. Brazil
-5-

 
   Name of Subsidiary Jurisdiction of Organization   Siam GTECH Company Limited Thailand   Simulti, LLC Delaware   Spielo Manufacturing ULC Nova Scotia   Spielo USA Incorporated Delaware   St. Kitts and Nevis Lottery Company, Ltd. St. Kitts & Nevis   Technology Risk Management Services, Inc. Delaware   Turks and Caicos Lottery Company Ltd. Turks & Caicos   Uwin Corporation Delaware   VideoSite, Incorporated Delaware   West Greenwich Technology Associates, L.P. Rhode Island   Wireless Business Solutions (Pty) Limited South Africa
-6-