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10-K - FORM 10-K - ARMSTRONG WORLD INDUSTRIES INCc13129e10vk.htm
EX-24 - EXHIBIT 24 - ARMSTRONG WORLD INDUSTRIES INCc13129exv24.htm
EX-11 - EXHIBIT 11 - ARMSTRONG WORLD INDUSTRIES INCc13129exv11.htm
EX-14 - EXHIBIT 14 - ARMSTRONG WORLD INDUSTRIES INCc13129exv14.htm
EX-23.1 - EXHIBIT 23.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv23w1.htm
EX-31.2 - EXHIBIT 31.2 - ARMSTRONG WORLD INDUSTRIES INCc13129exv31w2.htm
EX-31.1 - EXHIBIT 31.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv31w1.htm
EX-23.2 - EXHIBIT 23.2 - ARMSTRONG WORLD INDUSTRIES INCc13129exv23w2.htm
EX-10.4 - EXHIBIT 10.4 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w4.htm
EX-99.1 - EXHIBIT 99.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv99w1.htm
EX-32.2 - EXHIBIT 32.2 - ARMSTRONG WORLD INDUSTRIES INCc13129exv32w2.htm
EX-10.25 - EXHIBIT 10.25 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w25.htm
EX-10.23 - EXHIIBT 10.23 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w23.htm
EX-10.37 - EXHIBIT 10.37 - ARMSTRONG WORLD INDUSTRIES INCc13129exv10w37.htm
EX-32.1 - EXHIBIT 32.1 - ARMSTRONG WORLD INDUSTRIES INCc13129exv32w1.htm
Exhibit No. 21
Subsidiaries of Armstrong World Industries, Inc.
As of December 31, 2010
The following is a list of subsidiaries of Armstrong World Industries, Inc., omitting certain subsidiaries, which, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary.
     
    Jurisdiction of
U.S. Subsidiaries   Incorporation
 
   
Armstrong Cork Finance LLC
  Delaware
Armstrong NW LLC
  Delaware
Armstrong Hardwood Flooring Company
  Tennessee
Armstrong Realty Group, Inc.
  Pennsylvania
Armstrong Ventures, Inc.
  Delaware
Armstrong Wood Products, Inc.
  Delaware
Armstrong World Industries (Delaware) LLC
  Delaware
AWI Licensing Company
  Delaware
HomerWood Hardwood Flooring Company
  Delaware
Patriot Flooring Supply, Inc.
  Delaware
Worthington Armstrong Venture (50% owned Delaware General Partnership)
   
Armstrong Receivables Company Limited
  Delaware
 
   
    Jurisdiction of
Non-U.S. Subsidiaries   Incorporation
 
   
Armstrong (U.K.) Investments
  United Kingdom
Armstrong Architectural Products S.L.
  Spain
Armstrong Building Products B.V.
  Netherlands
Armstrong Building Products Company (Shanghai) Ltd.
  PRC
Armstrong Building Products GmbH
  Germany
Armstrong DLW AG
  Germany
Armstrong DLW Licensing GmbH
  Germany
Armstrong Metal Ceilings Limited
  United Kingdom
Armstrong Metalldecken AG
  Switzerland
Armstrong Metalldecken GmbH
  Austria
Armstrong Metalldecken Holdings AG
  Switzerland
Armstrong World Industries (Australia) Pty. Ltd.
  Australia
Armstrong World Industries AB
  Sweden
Armstrong World Industries Canada Ltd.
  Canada
Armstrong World Industries Holding GmbH
  Germany
Armstrong World Industries Ltd.
  United Kingdom