Exhibit 21

Subsidiaries of Quad/Graphics, Inc. (Wisconsin)

Name

DomicileQuad/Graphics Printing Services, LLC

WisconsinQuad/Marketing, LLC

WisconsinQuad RedTag, LLC

WisconsinQuad/Transportation Services, LLC

WisconsinChild Day Care and Learning Services, LLC

WisconsinQuad/Med, LLC

WisconsinQuad/Covenant Corporate Health Services, LLC

WisconsinGraphic Imaging Technology, LLC

DelawareWorld Color Capital II, LLC

DelawareDuplainville Transport, Inc.

WisconsinQuad/Air, LLC

WisconsinQuadSystems, LLC

WisconsinQuad/Greenfield, LLC

WisconsinQGR, LLC

NevadaQGR Real Estate Investment Company, LLC

NevadaOpenFirst, LLC

DelawareNew Electronic Printing Systems, LLC

DelawareNew Diversified Mailing Services, LLC

DelawareChemical Research/Technology Co.

WisconsinChemical Research/Technology, LLC

WisconsinQuad/Creative, LLC

DelawareHGI Company, LLC

WisconsinHi-Liter Graphics, LLC

WisconsinInland Graphics, LLC

WisconsinPlus Digital Print, LLC

WisconsinTempt, LLC

WisconsinQuad/Tech, Inc.

WisconsinQuadTech Holdings Limited

Hong KongQuadTech (Shanghai) Trading Company Limited

ChinaQuadTech Ireland

IrelandQuadTech UK Limited

United KingdomQuad/Tech Europe, Inc.

DelawareQuadTech France S.a.r.l.

FranceQuadTech Italy S.r.l.

Italy


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Name

DomicileQuadTech Germany GmbH

GermanyWorld Color (USA) Holding Corp.

DelawareWorld Color Real Estate Corp.

DelawareWorld Color (USA) Corp.

DelawareWorld Color (USA), LLC

DelawareWorld Color Mt. Morris II, LLC

DelawareWorld Color Memphis II Corp

DelawareWorld Color WCZ, LLC

DelawareWorld Color Printing (USA) Corp.

DelawareWorld Color Printing (USA) II Corp.

ConnecticutWorld Color Halliday Corp

CaliforniaWorld Color Kingsport, LLC

DelawareWorld Color Northeast Graphics Corp.

DelawareWorld Color Lanman Corp.

DelawareQuebecor World Foreign Sales Corp.

BarbadosWorld Color Logistics, LLC

DelawareWorld Color Procurement, LLC

DelawareWorld Color II, LLC

Delaware3243895 Nova Scotia Limited

Canada3243896 Nova Scotia Limited

CanadaWorld Color Press, Inc.

CanadaQW (IBC) Ltd.

BarbadosGraphicor Transport Inc./Transport Graphicor Inc.

CanadaWeb Press Graphics Ltd.

Canada4369726 Canada Inc.

CanadaWide Web Printing, Ltd. Partnership

CanadaQuad/Argentina, Inc.

DelawareAnselmo L. Morvillo, S.A.

ArgentinaQuad/Brazil, Inc.

DelawareQuad/Brasil Grafica Ltda

BrazilPlural Grafica E Editora Ltda

BrazilQuad Industria Grafica Do Brasil Ltda

BrazilWorld Color Mexico Holding S.A. de C.V.

MexicoGrafser, S.A. de C.V.

MexicoWorld Color Mexico D.F. S.A. de C.V.

MexicoWorld Color Querataro S.A. de C.V.

MexicoQuad/Graphics Investments Ltd.

British Virgin Islands


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Name

DomicileQuad/Graphics (BVI) Holdings Ltd.

British Virgin IslandsWorld Color Printing Chile Holding Limitada

ChileWorld Color Encuardenacion Ltda.

ChileWorld Color Chile S.A.

ChileQuad/Graphics (BVI) Ltd.

British Virgin IslandsQuebecor World Buenos Aires S.A.

ArgentinaQuad/Graphics Peru S.A.

PeruQG Editores S.A.C.

PeruQuad/Graphics Colombia S.A.

ColombiaWorld Color Spain 1, S.L.

SpainWorld Color Spain 2, S.L.

SpainWorld Color Argentina S.A.

ArgentinaQuad/Graphics Nordeste Industria Grafica Ltd.

BrazilWorld Color Empreendimentos Ltda.

BrazilQWLA Participacoes S/C Ltda.

BrazilWorld Color Sao Paulo Industria Grafica S.A.

BrazilYudu Limited

United KingdomQ/G Holland B.V.

NetherlandsQuad/Winkowski Sp. z o.o

PolandPrint-Champ Winkowski GmbH

AustriaIMC S.A. Winkowski Group

PolandQuadWinkowski Deutschland GmbH

GermanyQuadWinkowski AB

SwedenWinkowski Logistic Sp. z o.o

PolandPilgraf Sp. z o.o

PolandQuadWinkowski UK Ltd

United KingdomOOO QuadWinkowski

RussiaSerwisKadrowy Sp. z o.o

PolandCRT Sp z o.o

PolandZaklady Graficzne w Pile Sp. z o.o

PolandWorld Color Iceland ehf

IcelandWorld Color (UK) PLC

United KingdomQuebecor World PLC

United KingdomWorld Color Insurance Holding S.A.

LuxembourgWorld Color Reinsurance S.A.

SwitzerlandWorld Color S.A.

Luxembourg


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