EXHIBIT 21
Updated to
December 31, 2006
SUBSIDIARIES
     Cooper has no parent. The subsidiaries of Cooper are listed in groupings that indicate the nature and management of the operations of each. Unless noted herein, all subsidiaries are wholly owned by Cooper or one of its subsidiaries.
         
    Place of    
Name   Incorporation    
 
       
A. GENERAL CORPORATE ADMINISTRATION
 
       
CBE Services, Inc.
  Delaware, U.S.    
CI Finance, Inc.
  Delaware, U.S.    
Cooper (China) Co., Ltd.
  China    
Cooper Bermuda Investments Ltd.
  Bermuda    
Cooper Bussmann Finance, Inc.
  Delaware, U.S.    
Cooper Electronic Technologies (Shanghai) Co., Ltd.
  China    
Cooper Europe Finance LLC
  Delaware, U.S.    
Cooper Europe Finance SNC
  France    
Cooper Finance (Bermuda) Ltd.
  Bermuda    
Cooper Finance (Canada) L.P.
  Alberta    
Cooper Finance Group L.P.
  United Kingdom    
Cooper Finance Group, S a.r.l.
  Luxembourg    
Cooper Finance Investment LLC
  Delaware, U.S.    
Cooper Finance USA, Inc.
  Delaware, U.S.    
Cooper France Finance SNC
  France    
Cooper France Finance, Inc.
  Delaware, U.S.    
Cooper France Investment LLC
  Delaware, U.S.    
Cooper Global LLC
  Delaware, U.S.    
Cooper Holdings Ltd.
  Bermuda    
Cooper Hungary Group Financing Limited Liability Company
  Hungary    
Cooper Industries Finanzierungs-GbR
  Germany    
Cooper Industries Foundation
  Ohio, U.S.    
Cooper Industries International, LLC
  Delaware, U.S.    
Cooper Industries Mexico, S. de R.L. de C.V.
  Mexico    
Cooper Industries, Inc.
  Delaware, U.S.    
Cooper International Finance, Inc.
  Delaware, U.S.    
Cooper Investment Group L.P.
  United Kingdom    
Cooper Investment Group. S a.r.l.
  Luxembourg    
Cooper Luxembourg Finance S à.r.l.
  Luxembourg    
Cooper Offshore Holdings Ltd.
  Bermuda    
Cooper Pensions Limited
  United Kingdom    
Cooper 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


 

         
    Place of    
Name   Incorporation    
 
       
B. ELECTRICAL PRODUCTS
 
       
Alpha Lighting, Inc.
  Delaware, U.S.    
Arrow-Hart, S.A. de C.V.
  Mexico    
Atlite Inc.
  Delaware, U.S.    
Borden/Reaves, Inc.
  California, U.S.    
Broomco (1644) Limited
  United Kingdom    
Bussmann do Brasil Ltda.
  Brazil    
Bussmann International, Inc.
  Delaware, U.S.    
Bussmann, S. de R.L. de C.V.
  Mexico    
BZ Holdings Inc.
  Delaware, U.S.    
Cannon Technologies, Inc.
  Minnesota    
Capri Codec S.A.S.
  France    
CEAG Notlichtsysteme GmbH
  Germany    
Componentes de Iluminacion, S. de R.L. de C.V.
  Mexico    
Cooper (UK) Group Limited
  United Kingdom    
Cooper B-Line Limited
  United Kingdom    
Cooper B-Line, Inc.
  Delaware, U.S.    
Cooper Business Enterprise (Shanghai) Co., Ltd.
  China    
Cooper Bussmann, (U.K.) Limited
  United Kingdom    
Cooper Bussmann India Private Limited
  India    
Cooper Bussmann, Inc.
  Delaware, U.S.    
Cooper Corelite, Inc.
  Delaware, U.S.    
Cooper Crouse-Hinds (UK) Ltd.
  United Kingdom    
Cooper Crouse-Hinds AS
  Norway    
Cooper Crouse-Hinds B.V.
  Netherlands    
Cooper Crouse-Hinds GmbH
  Germany    
Cooper Crouse-Hinds (LLC) (49% owned by
       
Cooper Industries International, LLC)
  Dubai, U.A.E.    
Cooper Crouse-Hinds Pte. Ltd.
  Singapore    
Cooper Crouse-Hinds, LLC
  Delaware, U.S.    
Cooper Crouse-Hinds, S.A.
  Spain    
Cooper Crouse-Hinds, S.A. de C.V.
  Mexico    
Cooper Electric (Shanghai) Co., Ltd.
  China    
Cooper Electrical Australia Pty. Limited
  Australia    
Cooper Electrical France SARL
  France    
Cooper Electrical International, Inc.
  Delaware, U.S.    
Cooper Electronic Technologies, Inc.
  Florida, U.S.    
Cooper Enterprises LLC
  Delaware, U.S.    
Cooper Industries (Electrical) Inc.
  Ontario, Canada    
Cooper Industries (U.K.) Limited
  United Kingdom    
Cooper Industries Holdings GmbH
  Germany    
Cooper Industries Middle East, LLC
  Delaware, U.S.    
Cooper Industries Poland, LLC
  Poland    
Cooper Industries Russia LLC
  Russia    
Cooper Industries South Africa, LLC
  Delaware    
Cooper Industries Vietnam, LLC
  Delaware    
Cooper Lighting and Security Limited
  United Kingdom    
Cooper Lighting de Mexico, S. de R.L. de C.V.
  Mexico    
Cooper Lighting, Inc.
  Delaware, U.S.    

2


 

         
    Place of    
Name   Incorporation    
 
       
B. ELECTRICAL PRODUCTS (cont’d)
 
       
Cooper Menvier B.V.
  Netherlands    
Cooper Menvier France SARL
  France    
Cooper Menvier S.A.S.
  France    
Cooper Mexico Distribucion, S. de R.L. de C.V.
  Mexico    
Cooper Power Systems do Brasil Ltda.
  Brazil    
Cooper Power Systems Transportation Company
  Wisconsin, U.S.    
Cooper Power Systems, Inc.
  Delaware, U.S.    
Cooper Security Limited
  United Kingdom    
Cooper Shanghai Power Capacitor, Co. Ltd. (65% owned
  China    
by Cooper China Co., Ltd.)
       
Cooper Technologies Company
  Delaware, U.S.    
Cooper Wheelock, Inc.
  New Jersey    
Cooper Wiring Devices de Mexico, S.A. de C.V.
  Mexico    
Cooper Wiring Devices Manufacturing, S. de R.L. de C.V.
  Mexico    
Cooper Wiring Devices, Inc.
  New York, U.S.    
Cooper Xi’an Fusegear Ltd.
  China    
Crompton Lighting Holdings Limited
  United Kingdom    
Crompton Lighting International Limited
  United Kingdom    
Crompton Lighting Investments Limited
  United Kingdom    
CTIP Inc.
  Delaware, U.S.    
Digital Lighting Co., Limited (98% owned by Digital Lighting Holdings
  Hong Kong    
Limited and 2% owned by Alpha Lighting, Inc.)
       
Digital Lighting Holdings Limited (50% owned by Alpha Lighting, Inc.)
  British Virgin Islands    
Dongguan Cooper Electronics Co. Ltd.
  China    
EAM Asset Management Corp.
  Delaware, U.S.    
Electromanufacturas, S.A. de C.V.
  Mexico    
Fulleon Limited
  United Kingdom    
G&H Technology, Inc.
  Delaware    
Iluminacion Cooper de las Californias S. de R.L. de C.V.
  Mexico    
Industrias Royer, S.A. de C.V.
  Mexico    
McGraw-Edison Development Corporation
  Delaware, U.S.    
MEDC Limited
  United Kingdom    
Menvier CSA Srl
  Italy    
Menvier Group Limited
  United Kingdom    
Menvier Overseas Holdings Limited
  United Kingdom    
PCV 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.
  Portugal    
Regent Lighting Corporation
  Delaware, U.S.    
RL Manufacturing Sdn. Bhd.
  Malaysia    
RLS Incorporated
  Delaware, U.S.    
RTE Far East Corporation
  Taiwan    
Save Fusetech Inc.
  Korea    
Scantronic Benelux B.V.
  Netherlands    
Scantronic Holdings Limited
  United Kingdom    
Scantronic International Limited
  United Kingdom    

3


 

         
    Place of    
Name   Incorporation    
 
       
B. ELECTRICAL PRODUCTS (cont’d)
 
       
Shanghai RLS Lighting Appliance Manufacturing Company, Limited
  China    
(51% owned by Regent Lighting Corporation)
       
Silver Light International Limited
  British Virgin Islands    
Silver Victory Hong Kong Limited
  Hong Kong    
Sirius Industries, Inc.
  Delaware    
Societe Civile Immobiliere NOEMY
  France    
Thomas A. Edison Research & Development Center (Shanghai)
  Co., Ltd. China    
Univel EPE
  Greece    
WPI-Boston Division, Inc.
  Massachusetts    
Viking Electronics, Inc.
  Delaware    

4


 

         
Place of        
Name Incorporation  
 
       
C. TOOLS & HARDWARE
Airetool and Yost Superior Realty, Inc.
  Ohio, U.S.    
(50% owned by Cooper Power Tools, Inc.)
       
Collins Associates Ltd.
  British Virgin Islands    
Cooper (Great Britain) Ltd.
  United Kingdom    
Cooper Brands, Inc.
  Delaware, U.S.    
Cooper Industries (Canada) Company
  Nova Scotia, Canada    
Cooper Industries (Canada) Inc.
  Ontario Canada    
Cooper Industries Australia Pty Limited
  Australia    
Cooper Industries France SARL
  France    
Cooper Industries GmbH
  Germany    
Cooper Industries, LLC
  Delaware, U.S.    
Cooper Italia S.r.l.
  Italy    
Cooper Power Tools GmbH & Co. OHG
  Germany    
Cooper Power Tools GmbH Beteiligungen
  Germany    
Cooper Power Tools, S.A.S.
  France    
Cooper Tools B.V.
  Netherlands    
Cooper Tools de Mexico, S. de R.L. de C.V.
  Mexico    
Cooper Tools GmbH
  Germany    
Cooper Tools Hungaria Kft.
  Hungary    
Cooper Tools Industrial Ltda.
  Brazil    
Cooper Tools International, LLC
  Delaware, U.S.    
Cooper Tools Manufacturing, S. de R.L. de C.V.
  Mexico    
Cooper Tools Pty. Limited
  Australia    
Cooper Tools S.A.S.
  France    
Cooper Tools, Inc.
  Delaware, U.S.    
Deutsche Gardner-Denver Beteiligungs-GmbH
  Germany    
Empresa Andina de Herramientas, S.A.
  Colombia    
Erem S.A.
  Switzerland    
Lufkin Europa B.V.
  Netherlands    
Metronix Messgerate und Elektronik GmbH
  Germany    
Societe Civile Immobiliere PRECA
  France    
Societe Civile Immobiliere R.M.
  France    
The Cooper Group, Inc.
  Delaware, U.S.    

5


 

         
    Place of    
Name   Incorporation    
 
       
D. INACTIVE SUBSIDIARIES
 
       
B & S Fuses Limited
  United Kingdom    
Blessing International B.V.
  Netherlands    
Brownly-Consultadoria e Projectos Lda
  Madeira Free Zone    
Cooper Controls (U.K.) Limited
  United Kingdom    
Cooper Industries Australia Pensions Pty Ltd
  Australia    
Cooper Industries Finance B.V.
  Netherlands    
Cooper Industries Foreign Sales Company, Limited
  Barbados    
Cooper Power Tools B.V.
  Netherlands    
Cortek Internacional, S.A.
  Costa Rica    
Crouse-Hinds de Venezuela, C.A.
  Venezuela    
DFL Fusegear Limited
  United Kingdom    
Eagle Electric MFG. Co. Mexico, S.A. de C.V.
  Mexico    
Firecom Limited
  United Kingdom    
Gardner-Denver (Aust.) Pty. Limited
  Australia    
Gardner-Denver International, C.A.
  Venezuela    
Hi-Tech Enclosures Limited
  United Kingdom    
Homelink Telecom Limited
  United Kingdom    
JSB Electrical Limited
  United Kingdom    
Kestron Units Limited
  United Kingdom    
Manufacturing Electrical Design Consultants Limited
  United Kingdom    
Menvier Limited
  United Kingdom    
Menvier Security Limited
  United Kingdom    
MSG Leasing Limited
  United Kingdom    
Next Loudspeakers Limited
  United Kingdom    
Next Two (International) Limited
  United Kingdom    
Next Two Limited
  United Kingdom    
Regalsafe Limited
  United Kingdom    
Regent Far East Limited
  Hong Kong    
Scantronic Limited
  United Kingdom    
Si-Tronic Srl (49% owned by Scantronic International Limited)
  Italy    
Transmould Limited
  Ireland    
WPP, Inc.
  Oregon, U.S.    

6