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

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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

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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

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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

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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

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