EXHIBIT 21  Subsidiaries as of December 31, 2010



|                                                  |  |                       
|------------------------------------------------- |  | ----------------------
|Name                                              |  | State of Incorporation
|1567 Media, LLC                                   |  | DE                    
|CC CV LP, LLC                                     |  | DE                    
|CCHCV LP, LLC                                     |  | DE                    
|Clear Channel Adshel, Inc.                        |  | DE                    
|Clear Channel Airports of Georgia, Inc.           |  | GA                    
|Clear Channel Airports of Texas, JV               |  | TX                    
|Clear Channel Brazil Holdco, LLC                  |  | DE                    
|Clear Channel Digital, LLC                        |  | DE                    
|Clear Channel Metra, LLC                          |  | DE                    
|Clear Channel Outdoor Holdings Company Canada     |  | DE                    
|Clear Channel Outdoor, Inc.                       |  | DE                    
|Clear Channel Peoples, LLC                        |  | DE                    
|Clear Channel Spectacolor, LLC                    |  | DE                    
|Clear Channel Worldwide Holdings, Inc.            |  | NV                    
|Clear Channel/Interstate Philadelphia, LLC        |  | DE                    
|Eller-PW Company, LLC                             |  | CA                    
|Exceptional Outdoor Advertising, Inc.             |  | FL                    
|Get Outdoors Florida, LLC                         |  | FL                    
|Interspace Airport Advertising International, LLC |  | PA                    
|Interspace Services, Inc.                         |  | PA                    
|Keller Booth Sumners Joint Venture                |  | TX                    
|Kelnic II Joint Venture                           |  | DE                    
|Outdoor Management Services, Inc.                 |  | NV                    
|Sunset Billboards, LLC                            |  | WA                    



|                                                       |  |                           
|------------------------------------------------------ |  | --------------------------
|Name                                                   |  | Country Of Incorporation  
|Adshel (Brazil) Ltda                                   |  | Brazil                    
|Adshel Ireland Limited                                 |  | Ireland                   
|Adshel Ltda                                            |  | Brazil                    
|Allied Outdoor Advertising Ltd.                        |  | United Kingdom            
|Arcadia Cooper Properties Ltd.                         |  | United Kingdom            
|Barrett Petrie Sutcliffe London Ltd.                   |  | United Kingdom            
|Barrett Petrie Sutcliffe Ltd.                          |  | United Kingdom            
|Bk Studi BV                                            |  | Netherlands               
|C.F.D. Billboards Ltd.
CAC City Advertising Company AG |  | United Kingdom
Switzerland
|Clear Channel Haidemenos Media SA                      |  | Greece                    
|Clear Channel International BV                         |  | Netherlands               
|Clear Channel International Holdings BV                |  | Netherlands               
|Clear Channel Netherlands BV                           |  | Netherlands               
|CCO International Holdings BV                          |  | Netherlands               
|CCO Ontario Holdings, Inc.                             |  | Canada                    
|China Outdoor Media Investment (HK) Co., Ltd.          |  | Hong Kong                 
|China Outdoor Media Investment, Inc.                   |  | British Virgin Islands    
|Clear Channel Adshel AS                                |  | Norway                    
|Clear Channel Affitalia SRL                            |  | Italy                     
|Clear Channel Baltics & Russia Limited                 |  | Russia                    
|Clear Channel Baltics & Russia AB                      |  | Sweden                    



---

|                                                                  |  |                         
|----------------------------------------------------------------- |  | ------------------------
|Name                                                              |  | Country Of Incorporation
|Clear Channel Banners Limited                                     |  | United Kingdom          
|Clear Channel Belgium SA                                          |  | Belgium                 
|Clear Channel Brazil Holding S/A                                  |  | Brazil                  
|Clear Channel (Central) Ltd.                                      |  | United Kingdom          
|Clear Channel CP III BV                                           |  | Netherlands             
|Clear Channel CP IV BV                                            |  | Netherlands             
|Clear Channel CV                                                  |  | Netherlands             
|Clear Channel Danmark A/S                                         |  | Denmark                 
|Clear Channel Entertainment of Brazil Ltda                        |  | Brazil                  
|Clear Channel Espana SL                                           |  | Spain                   
|Clear Channel Espectaculos SL                                     |  | Spain                   
|Clear Channel Estonia OU                                          |  | Estonia                 
|Clear Channel European Holdings SAS                               |  | France                  
|Clear Channel Felice GmbH                                         |  | Switzerland             
|Clear Channel France SA                                           |  | France                  
|Clear Channel Hillenaar BV                                        |  | Netherlands             
|Clear Channel Holding AG                                          |  | Switzerland             
|Clear Channel Holding Italia SPA                                  |  | Italy                   
|Clear Channel Holdings CV                                         |  | Netherlands             
|Clear Channel Holdings, Ltd.                                      |  | United Kingdom          
|Clear Channel Hong Kong Ltd.                                      |  | Hong Kong               
|Clear Channel International Limited                               |  | United Kingdom          
|Clear Channel Ireland Ltd.                                        |  | Ireland                 
|Clear Channel Italy Outdoor SRL                                   |  | Italy                   
|Clear Channel Jolly Pubblicita SPA                                |  | Italy                   
|Clear Channel KNR Neth Antilles NV                                |  | Netherlands Antilles    
|Clear Channel Latvia                                              |  | Latvia                  
|Clear Channel Lietuva                                             |  | Lithuania               
|Clear Channel (Midlands) Ltd.                                     |  | United Kingdom          
|Clear Channel NI Ltd.                                             |  | United Kingdom          
|Clear Channel (Northwest) Ltd.                                    |  | United Kingdom          
|Clear Channel Norway AS                                           |  | Norway                  
|Clear Channel Outdoor Company Canada                              |  | Canada                  
|Clear Channel Outdoor Hungary KFT                                 |  | Hungary                 
|Clear Channel Outdoor Mexico SA de CV                             |  | Mexico                  
|Clear Channel Outdoor Mexico, Operaciones SA de CV                |  | Mexico                  
|Clear Channel Outdoor Mexico, Servicios Administrativos, SA de CV |  | Mexico                  
|Clear Channel Outdoor Mexico, Servicios Corporativos, SA de CV    |  | Mexico                  
|Clear Channel Outdoor Pty Ltd.                                    |  | Australia               
|Clear Channel Outdoor Spanish Holdings S.L.                       |  | Spain                   
|Clear Channel Overseas Ltd.                                       |  | United Kingdom          
|Clear Channel Pacific Pte Ltd.                                    |  | Singapore               
|Clear Channel Plakanda Aida GmbH                                  |  | Switzerland             
|Clear Channel Plakanda GmbH                                       |  | Switzerland             
|Clear Channel Poland Sp ZO.o.                                     |  | Poland                  
|Clear Channel Romania SRL                                         |  | Romania                 
|Clear Channel Rooftop SRL                                         |  | Romania                 
|Clear Channel Sales AB                                            |  | Sweden                  



---

|                                                            |  |                         
|----------------------------------------------------------- |  | ------------------------
|Name                                                        |  | Country Of Incorporation
|Clear Channel Sao Paulo Participacoes Ltda                  |  | Brazil                  
|Clear Channel (Scotland) Ltd.                               |  | Scotland                
|Clear Channel Singapore Pte Ltd.                            |  | Singapore               
|Clear Channel Smartbike                                     |  | France                  
|Clear Channel Solutions Ltd.                                |  | United Kingdom          
|Clear Channel South America S.A.C.                          |  | Peru                    
|Clear Channel (South West) Ltd.                             |  | United Kingdom          
|Clear Channel Suomi Oy                                      |  | Finland                 
|Clear Channel Sverige AB                                    |  | Sweden                  
|Clear Channel Tanitim Ve Iletisim AS                        |  | Turkey                  
|Clear Channel UK Ltd                                        |  | United Kingdom          
|Clear Channel UK (One) Ltd.                                 |  | United Kingdom          
|Clear Channel UK (Two) Ltd.                                 |  | United Kingdom          
|Clear Channel UK Three Ltd.                                 |  | United Kingdom          
|Clear Media Limited                                         |  | Bermuda                 
|Comurben SA                                                 |  | Morocco                 
|Defi Belgium                                                |  | Belgium                 
|Defi Czecia                                                 |  | Czech Republic          
|Defi Deutschland GmbH                                       |  | Germany                 
|Defi France SAS                                             |  | France                  
|Defi Group Asia                                             |  | Hong Kong               
|Defi Group SAS                                              |  | France                  
|Defi Italia SPA                                             |  | Italy                   
|Defi Neolux                                                 |  | Portugal                
|Defi Poland SP ZO.o                                         |  | Poland                  
|Defi Hungary Kft                                            |  | Hungary                 
|Defi Ukraine                                                |  | Ukraine                 
|Eller Holding Company Cayman I                              |  | Cayman Islands          
|Eller Holding Company Cayman II                             |  | Cayman Islands          
|Eller Media Asesorias Y Comercializacion Publicitaria Ltda  |  | Chile                   
|Eller Media Servicios Publicitarios Ltda                    |  | Chile                   
|Epiclove Ltd.                                               |  | United Kingdom          
|Equipamientos Urbanos de Canarias SA                        |  | Spain                   
|Equipamientos Urbanos Del Sur SL                            |  | Spain                   
|Equipamientos Urbanos - Gallega de Publicidad Disseno AIE   |  | Spain                   
|FM Media Ltd.                                               |  | United Kingdom          
|Foxmark (UK) Ltd.                                           |  | United Kingdom          
|Giganto Holding Cayman                                      |  | Cayman Islands          
|Giganto Outdoor SA                                          |  | Chile                   
|Grosvenor Advertising Ltd.                                  |  | United Kingdom          
|Hainan Whitehorse Advertising Media Investment Company Ltd. |  | China                   
|Hillenaar Outdoor Advertising BV                            |  | Netherlands             
|Hillenaar Services BV                                       |  | Netherlands             
|Iberdefi (Espagne)                                          |  | Spain                   
|Illuminated Awnings Systems Ltd.                            |  | Ireland                 
|Infotrak SA                                                 |  | Switzerland             
|Interpubli Werbe AG                                         |  | Switzerland             
|Interspace Airport Advertising Australia Pty Ltd.           |  | Australia               



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|                                                                     |  |                              
|-------------------------------------------------------------------- |  | -----------------------------
|Name                                                                 |  | Country Of Incorporation     
|Interspace Costa Rica Airport Advertising SA                         |  | Costa Rica                   
|Interspace Airport Advertising Curacao NV                            |  | Netherlands Antilles         
|Interspace Airport Advertising Netherlands Antilles NV               |  | Netherlands Antilles         
|Interspace Airport Advertising West Indies Ltd.                      |  | West Indies                  
|Interspace Airport Advertising New Zealand Ltd.                      |  | New Zealand                  
|KMS Advertising Ltd.                                                 |  | United Kingdom               
|L Efficience Publicitaire SA                                        |  | Belgium                      
|L & C Outdoor Ltda.                                                  |  | Brazil                       
|Landimat                                                             |  | France                       
|Mars Reklam Ve Producksiyon AS
Maurice Stam Ltd.                     |  | Turkey United
Kingdom        
|Metrabus                                                             |  | Belgium                      
|Ming Wai Holdings Ltd.                                               |  | British Virgin Islands       
|More OFerrall Ireland Ltd.                                          |  | Ireland                      
|Multimark Ltd.                                                       |  | United Kingdom               
|Nitelites (Ireland) Ltd.                                             |  | Ireland                      
|Adshel Mexico                                                        |  | Mexico                       
|Outdoor Advertising BV                                               |  | Netherlands                  
|Outstanding Media I Stockholm AB                                     |  | Sweden                       
|Overtop Services SRL                                                 |  | Romania                      
|Paneles Napsa. S.A.                                                  |  | Peru                         
|Parkin Advertising Ltd.                                              |  | United Kingdom               
|Plakanda Awi AG                                                      |  | Switzerland                  
|Plakanda GmbH                                                        |  | Switzerland                  
|Plakanda Management AG                                               |  | Switzerland                  
|Plakanda Ofex AG                                                     |  | Switzerland                  
|Plakatron AG                                                         |  | Switzerland                  
|Postermobile Advertising Ltd.                                        |  | United Kingdom               
|Postermobile Ltd.                                                    |  | United Kingdom               
|Premium Holdings Ltd.                                                |  | United Kingdom               
|Premium Outdoor Ltd.                                                 |  | United Kingdom               
|Procom Publicidade via Publica Ltda                                  |  | Chile                        
|PTKC Rotterdam BV                                                    |  | Netherlands                  
|Publicidade Klimes Sao Paulo Ltda                                    |  | Brazil                       
|Q Panel SRL                                                          |  | Romania                      
|Racklight SA de CV                                                   |  | Mexico                       
|Regentfile Ltd.                                                      |  | United Kingdom               
|Rockbox Ltd.                                                         |  | United Kingdom               
|Signways Ltd.                                                        |  | United Kingdom               
|Simon Outdoor Ltd.                                                   |  | Russia                       
|Sites International Ltd.
Super Signs Ltd. Supersigns Polska SP ZO.o. |  | United Kingdom
Bahamas Poland
|Team Relay Ltd.                                                      |  | United Kingdom               
|The Canton Property Investment Co. Ltd.                              |  | United Kingdom               
|The Kildoon Property Co. Ltd.                                        |  | United Kingdom               
|Torpix Ltd.                                                          |  | United Kingdom               
|Town & City Posters Advertising. Ltd.                                |  | United Kingdom               
|Tracemotion Ltd.                                                     |  | United Kingdom               



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|                                                         |  |                         
|-------------------------------------------------------- |  | ------------------------
|Name                                                     |  | Country Of Incorporation
|Trainer Advertising Ltd.                                 |  | United Kingdom          
|Urban Media SA                                           |  | Belgium                 
|Upright Sprl                                             |  | Belgium                 
|Vision Posters Ltd.                                      |  | United Kingdom          
|ZAO Defi Russie                                          |  | Russia                  
|Adshel Street Furniture Pty Ltd.                         |  | Australia               
|Citysites Outdoor Advertising (West Australia) Pty Ltd.  |  | Australia               
|Adshel New Zealand Ltd.                                  |  | New Zealand             
|Citysites Outdoor Advertising (South Australia) Pty Ltd. |  | Australia               
|Citysites Outdoor Advertising (Albert) Pty Ltd.          |  | Australia               
|Street Furniture (NSW) Pty Ltd.                          |  | Australia               
|Urban Design Furniture Pty Ltd.                          |  | Australia               
|Citysites Outdoor Advertising Pty Ltd.                   |  | Australia               
|Perth Sign Company Pty Ltd.                              |  | Australia               
|Phillips Neon Pty Ltd.                                   |  | Australia               
|Shelter Advertising Pty Ltd                              |  | Australia               
|CR Phillips Investments Pty Ltd.                         |  | Australia               
|Phillips Finance Pty Ltd.                                |  | Australia