EXHIBIT 21
CDW CORPORATION
SUBSIDIARIES OF THE REGISTRANT
     
Subsidiary   Jurisdiction of Incorporation
 
CDW Canada, Inc.
  New Brunswick
 
   
CDW Capital Corporation
  Illinois
 
   
CDW Corporation
  Delaware
 
   
CDW Direct, LLC
  Illinois
 
   
CDW Government, Inc.
  Illinois
 
   
CDW ISFC, LLC
  Delaware
 
   
CDW Logistics, Inc.
  Illinois
 
   
CDW SAC, Inc.
  Illinois