EX-21 4 w17257exv21.htm EX-21 exv21
 

Exhibit 21
ARBITRON INC.
SUBSIDIARIES
     
    State or
    Other Jurisdiction
Subsidiaries and Their Affiliates:   of Incorporation
 
   
Arbitron Holdings Inc.
  Delaware
Arbitron International, LLC (1)
  Delaware
CSW Research Limited (2)
  United Kingdom
Euro Fieldwork Limited (3)
  United Kingdom
Ceridian Infotech (India) Private Limited
  India
Audience Research Bureau S.A. de C.V.
  Mexico
 
(1)   Arbitron International, LLC is a subsidiary of Arbitron Inc. and Arbitron Holdings, Inc.
 
(2)   CSW Research Limited is a subsidiary of Arbitron Holdings, Inc.
 
(3)   Euro Fieldwork Limited is a subsidiary of CSW Research Limited.