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EXHIBIT 21
 
   Place ofName
    
    IncorporationA. GENERAL CORPORATE ADMINISTRATIONCBE Services, Inc.
    
    Delaware, U.S.CI Finance, Inc.
    
    Delaware, U.S.Cooper (China) Co., Ltd.
    
    ChinaCooper Bermuda Investments Ltd.
    
    BermudaCooper Bussmann Finance, Inc.
    
    Delaware, U.S.Cooper Electronic Technologies (Shanghai) Co., Ltd.
    
    ChinaCooper Europe Finance LLC
    
    Delaware, U.S.Cooper Europe Finance SNC
    
    FranceCooper Finance (Bermuda) Ltd.
    
    BermudaCooper Finance (Canada) L.P.
    
    AlbertaCooper Finance Group L.P.
    
    United KingdomCooper Finance Group, S a.r.l.
    
    LuxembourgCooper Finance Investment LLC
    
    Delaware, U.S.Cooper Finance USA, Inc.
    
    Delaware, U.S.Cooper France Finance SNC
    
    FranceCooper France Finance, Inc.
    
    Delaware, U.S.Cooper France Investment LLC
    
    Delaware, U.S.Cooper Global LLC
    
    Delaware, U.S.Cooper Holdings Ltd.
    
    BermudaCooper Hungary Group Financing Limited Liability Company
    
    HungaryCooper Industries Finanzierungs-GbR
    
    GermanyCooper Industries Foundation
    
    Ohio, U.S.Cooper Industries International, LLC
    
    Delaware, U.S.Cooper Industries Mexico, S. de R.L. de C.V.
    
    MexicoCooper Industries, Inc.
    
    Delaware, U.S.Cooper International Finance, Inc.
    
    Delaware, U.S.Cooper Investment Group L.P.
    
    United KingdomCooper Investment Group. S a.r.l.
    
    LuxembourgCooper Luxembourg Finance S à.r.l.
    
    LuxembourgCooper Offshore Holdings Ltd.
    
    BermudaCooper Pensions Limited
    
    United KingdomCooper Power Systems Finance, Inc.
    
    Delaware, U.S.Cooper Power Tools Finance, Inc.
    
    Delaware, U.S.Cooper Securities, Inc.
    
    Texas, U.S.Cooper US, Inc.
    
    Delaware, U.S
 1




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Place ofName
    
    IncorporationB. ELECTRICAL PRODUCTSAlpha Lighting, Inc.
    
    Delaware, U.S.Arrow-Hart, S.A. de C.V.
    
    MexicoAtlite Inc.
    
    Delaware, U.S.Borden/Reaves, Inc.
    
    California, U.S.Broomco (1644) Limited
    
    United KingdomBussmann do Brasil Ltda.
    
    BrazilBussmann International, Inc.
    
    Delaware, U.S.Bussmann, S. de R.L. de C.V.
    
    MexicoBZ Holdings Inc.
    
    Delaware, U.S.Cannon Technologies, Inc.
    
    MinnesotaCapri Codec S.A.S.
    
    FranceCEAG Notlichtsysteme GmbH
    
    GermanyComponentes de Iluminacion, S. de R.L. de C.V.
    
    MexicoCooper (UK) Group Limited
    
    United KingdomCooper B-Line Limited
    
    United KingdomCooper B-Line, Inc.
    
    Delaware, U.S.Cooper Business Enterprise (Shanghai) Co., Ltd.
    
    ChinaCooper Bussmann, (U.K.) Limited
    
    United KingdomCooper Bussmann India Private Limited
    
    IndiaCooper Bussmann, Inc.
    
    Delaware, U.S.Cooper Corelite, Inc.
    
    Delaware, U.S.Cooper Crouse-Hinds (UK) Ltd.
    
    United KingdomCooper Crouse-Hinds AS
    
    NorwayCooper Crouse-Hinds B.V.
    
    NetherlandsCooper Crouse-Hinds GmbH
    
    GermanyCooper Crouse-Hinds (LLC) (49% owned byCooper Industries International, LLC)
    
    Dubai, U.A.E.Cooper Crouse-Hinds Pte. Ltd.
    
    SingaporeCooper Crouse-Hinds, LLC
    
    Delaware, U.S.Cooper Crouse-Hinds, S.A.
    
    SpainCooper Crouse-Hinds, S.A. de C.V.
    
    MexicoCooper Electric (Shanghai) Co., Ltd.
    
    ChinaCooper Electrical Australia Pty. Limited
    
    AustraliaCooper Electrical France SARL
    
    FranceCooper Electrical International, Inc.
    
    Delaware, U.S.Cooper Electronic Technologies, Inc.
    
    Florida, U.S.Cooper Enterprises LLC
    
    Delaware, U.S.Cooper Industries (Electrical) Inc.
    
    Ontario, CanadaCooper Industries (U.K.) Limited
    
    United KingdomCooper Industries Holdings GmbH
    
    GermanyCooper Industries Middle East, LLC
    
    Delaware, U.S.Cooper Industries Poland, LLC
    
    PolandCooper Industries Russia LLC
    
    RussiaCooper Industries South Africa, LLC
    
    DelawareCooper Industries Vietnam, LLC
    
    DelawareCooper Lighting and Security Limited
    
    United KingdomCooper Lighting de Mexico, S. de R.L. de C.V.
    
    MexicoCooper Lighting, Inc.
    
    Delaware, U.S.
 2




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Place ofName
    
    IncorporationB. ELECTRICAL PRODUCTS (contd)Cooper Menvier B.V.
    
    NetherlandsCooper Menvier France SARL
    
    FranceCooper Menvier S.A.S.
    
    FranceCooper Mexico Distribucion, S. de R.L. de C.V.
    
    MexicoCooper Power Systems do Brasil Ltda.
    
    BrazilCooper Power Systems Transportation Company
    
    Wisconsin, U.S.Cooper Power Systems, Inc.
    
    Delaware, U.S.Cooper Security Limited
    
    United KingdomCooper Shanghai Power Capacitor, Co. Ltd. (65% owned
    
    Chinaby Cooper China Co., Ltd.)Cooper Technologies Company
    
    Delaware, U.S.Cooper Wheelock, Inc.
    
    New JerseyCooper Wiring Devices de Mexico, S.A. de C.V.
    
    MexicoCooper Wiring Devices Manufacturing, S. de R.L. de C.V.
    
    MexicoCooper Wiring Devices, Inc.
    
    New York, U.S.Cooper Xian Fusegear Ltd.
    
    ChinaCrompton Lighting Holdings Limited
    
    United KingdomCrompton Lighting International Limited
    
    United KingdomCrompton Lighting Investments Limited
    
    United KingdomCTIP Inc.
    
    Delaware, U.S.Digital Lighting Co., Limited (98% owned by Digital Lighting Holdings
    
    Hong KongLimited and 2% owned by Alpha Lighting, Inc.)Digital Lighting Holdings Limited (50% owned by Alpha Lighting, Inc.)
    
    British Virgin IslandsDongguan Cooper Electronics Co. Ltd.
    
    ChinaEAM Asset Management Corp.
    
    Delaware, U.S.Electromanufacturas, S.A. de C.V.
    
    MexicoFulleon Limited
    
    United KingdomG&H Technology, Inc.
    
    DelawareIluminacion Cooper de las Californias S. de R.L. de C.V.
    
    MexicoIndustrias Royer, S.A. de C.V.
    
    MexicoMcGraw-Edison Development Corporation
    
    Delaware, U.S.MEDC Limited
    
    United KingdomMenvier CSA Srl
    
    ItalyMenvier Group Limited
    
    United KingdomMenvier Overseas Holdings Limited
    
    United KingdomPCV Incorporated
    
    Delaware, U.S.PDS Edison Power Systems Co., Ltd.
    
    China(60% owned by Cooper Power Systems, Inc.)PowerStor, Inc.
    
    California, U.S.Pretronica Precisao Electronica Lda.
    
    PortugalRegent Lighting Corporation
    
    Delaware, U.S.RL Manufacturing Sdn. Bhd.
    
    MalaysiaRLS Incorporated
    
    Delaware, U.S.RTE Far East Corporation
    
    TaiwanSave Fusetech Inc.
    
    KoreaScantronic Benelux B.V.
    
    NetherlandsScantronic Holdings Limited
    
    United KingdomScantronic International Limited
    
    United Kingdom
 3




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Place ofName
    
    IncorporationB. ELECTRICAL PRODUCTS (contd)Shanghai RLS Lighting Appliance Manufacturing Company, Limited
    
    China(51% owned by Regent Lighting Corporation)Silver Light International Limited
    
    British Virgin IslandsSilver Victory Hong Kong Limited
    
    Hong KongSirius Industries, Inc.
    
    DelawareSociete Civile Immobiliere NOEMY
    
    FranceThomas A. Edison Research & Development Center (Shanghai)
    
    Co., Ltd. ChinaUnivel EPE
    
    GreeceWPI-Boston Division, Inc.
    
    MassachusettsViking Electronics, Inc.
    
    Delaware
 4




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Place ofName
    IncorporationC. TOOLS & HARDWAREAiretool and Yost Superior Realty, Inc.
    
    Ohio, U.S.(50% owned by Cooper Power Tools, Inc.)Collins Associates Ltd.
    
    British Virgin IslandsCooper (Great Britain) Ltd.
    
    United KingdomCooper Brands, Inc.
    
    Delaware, U.S.Cooper Industries (Canada) Company
    
    Nova Scotia, CanadaCooper Industries (Canada) Inc.
    
    Ontario CanadaCooper Industries Australia Pty Limited
    
    AustraliaCooper Industries France SARL
    
    FranceCooper Industries GmbH
    
    GermanyCooper Industries, LLC
    
    Delaware, U.S.Cooper Italia S.r.l.
    
    ItalyCooper Power Tools GmbH & Co. OHG
    
    GermanyCooper Power Tools GmbH Beteiligungen
    
    GermanyCooper Power Tools, S.A.S.
    
    FranceCooper Tools B.V.
    
    NetherlandsCooper Tools de Mexico, S. de R.L. de C.V.
    
    MexicoCooper Tools GmbH
    
    GermanyCooper Tools Hungaria Kft.
    
    HungaryCooper Tools Industrial Ltda.
    
    BrazilCooper Tools International, LLC
    
    Delaware, U.S.Cooper Tools Manufacturing, S. de R.L. de C.V.
    
    MexicoCooper Tools Pty. Limited
    
    AustraliaCooper Tools S.A.S.
    
    FranceCooper Tools, Inc.
    
    Delaware, U.S.Deutsche Gardner-Denver Beteiligungs-GmbH
    
    GermanyEmpresa Andina de Herramientas, S.A.
    
    ColombiaErem S.A.
    
    SwitzerlandLufkin Europa B.V.
    
    NetherlandsMetronix Messgerate und Elektronik GmbH
    
    GermanySociete Civile Immobiliere PRECA
    
    FranceSociete Civile Immobiliere R.M.
    
    FranceThe Cooper Group, Inc.
    
    Delaware, U.S.
 5




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Place ofName
    
    IncorporationD. INACTIVE SUBSIDIARIESB & S Fuses Limited
    
    United KingdomBlessing International B.V.
    
    NetherlandsBrownly-Consultadoria e Projectos Lda
    
    Madeira Free ZoneCooper Controls (U.K.) Limited
    
    United KingdomCooper Industries Australia Pensions Pty Ltd
    
    AustraliaCooper Industries Finance B.V.
    
    NetherlandsCooper Industries Foreign Sales Company, Limited
    
    BarbadosCooper Power Tools B.V.
    
    NetherlandsCortek Internacional, S.A.
    
    Costa RicaCrouse-Hinds de Venezuela, C.A.
    
    VenezuelaDFL Fusegear Limited
    
    United KingdomEagle Electric MFG. Co. Mexico, S.A. de C.V.
    
    MexicoFirecom Limited
    
    United KingdomGardner-Denver (Aust.) Pty. Limited
    
    AustraliaGardner-Denver International, C.A.
    
    VenezuelaHi-Tech Enclosures Limited
    
    United KingdomHomelink Telecom Limited
    
    United KingdomJSB Electrical Limited
    
    United KingdomKestron Units Limited
    
    United KingdomManufacturing Electrical Design Consultants Limited
    
    United KingdomMenvier Limited
    
    United KingdomMenvier Security Limited
    
    United KingdomMSG Leasing Limited
    
    United KingdomNext Loudspeakers Limited
    
    United KingdomNext Two (International) Limited
    
    United KingdomNext Two Limited
    
    United KingdomRegalsafe Limited
    
    United KingdomRegent Far East Limited
    
    Hong KongScantronic Limited
    
    United KingdomSi-Tronic Srl (49% owned by Scantronic International Limited)
    
    ItalyTransmould Limited
    
    IrelandWPP, Inc.
    
    Oregon, U.S.
 6