Exhibit 21.1

SUBSIDIARIES OF HMP EQUITY HOLDINGS CORPORATION

|NAME                                                       |  | JURISDICTION OF
INCORPORATION/ORGANIZATION
|---------------------------------------------------------- |  | ------------------------------------------
|Huntsman Advanced Materials Argentina S.r.l.               |  | Argentina                                 
|Huntsman (Argentina) S.r.l.                                |  | Argentina                                 
|Huntsman Building Products, LLC                            |  | Armenia                                   
|Chemical Australia Property Trust                          |  | Australia                                 
|CP Manufacturing Pty Limited                               |  | Australia                                 
|Felgray Pty Limited                                        |  | Australia                                 
|HCPH Holdings Pty Limited                                  |  | Australia                                 
|Huntcon Pty Limited                                        |  | Australia                                 
|Huntsman Australia R&D Pty Limited                         |  | Australia                                 
|Huntsman Chemical Australia Holdings Pty Limited           |  | Australia                                 
|Huntsman Chemical Australia Unit Trust                     |  | Australia                                 
|Huntsman Chemical Company Australia (Holdings) Pty Limited |  | Australia                                 
|Huntsman Chemical Company Australia Pty Limited            |  | Australia                                 
|Huntsman Chemical Company Australia (Sales) Pty Limited    |  | Australia                                 
|Huntsman Corporation Australia Pty Limited                 |  | Australia                                 
|Huntsman Polyurethanes (Australia) Pty Limited             |  | Australia                                 
|Hydrocarbon Products Pty Limited                           |  | Australia                                 
|Mokpo Pty Limited                                          |  | Australia                                 
|Polystyrene Australia Pty Limited                          |  | Australia                                 
|Polystyrene Australia Unit Trust                           |  | Australia                                 
|Revinex Australia Pty Limited                              |  | Australia                                 
|Vantico Pty. Ltd.                                          |  | Australia                                 
|Wenblue Pty Limited                                        |  | Australia                                 
|Huntsman Advanced Materials (Austria) GmbH                 |  | Austria                                   
|Huntsman Advanced Materials (Belgium) BVBA                 |  | Belgium                                   
|Huntsman Advanced Materials (Europe) BVBA                  |  | Belgium                                   
|Huntsman (Belgium) BVBA                                    |  | Belgium                                   
|Huntsman Corporation Belgium, B.V.B.A.                     |  | Belgium                                   
|Huntsman (Europe) BVBA                                     |  | Belgium                                   
|Tioxide Europe NV/SA                                       |  | Belgium                                   
|Huntsman Advanced Materials Quimica Brasil Ltda            |  | Brazil                                    
|Huntsman (Brasil) Ltda.                                    |  | Brazil                                    
|Huntsman do Brasil Participacoes Ltda.                     |  | Brazil                                    
|Huntsman Chemical Company of Canada, Inc.                  |  | Canada                                    
|Huntsman Corporation Canada Inc.                           |  | Canada                                    
|Huntsman International Canada Corporation                  |  | Canada                                    
|Tioxide Canada Inc.                                        |  | Canada                                    
|Tioxide Americas Inc.                                      |  | Cayman Islands                            
|Huntsman Advanced Materials (Guangdong) Company Limited    |  | China                                     
|Huntsman Advanced Materials (Hong Kong) Ltd.               |  | China (Hong Kong)                         
|Huntsman Chemical Trading (Shanghai) Ltd.                  |  | China                                     
|Huntsman International (Hong Kong) Ltd.                    |  | China (Hong Kong)                         
|Huntsman Polyurethanes (China) Limited                     |  | China                                     
|Huntsman Polyurethanes Shanghai Ltd.                       |  | China                                     
|Shanghai Liengheng Isocyanate Company Ltd.                 |  | China                                     
|Huntsman Colombia Limitada                                 |  | Colombia                                  
|                                                           |  |                                           

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|Huntsman (Czech Republic) Spol.sr.o                                       |  | Czech Republic 
|------------------------------------------------------------------------- |  | ---------------
|Huntsman Advanced Materials Speciality Chemicals (Egypt) SAE              |  | Egypt          
|Huntsman Advanced Materials (France) SAS                                  |  | France         
|Huntsman Saint Mihiel SAS                                                 |  | France         
|Huntsman Surface Sciences France SAS                                      |  | France         
|Tioxide Europe SAS                                                        |  | France         
|SASOL-HUNTSMAN GmbH & Co. KG                                              |  | Germany        
|SASOL-HUNTSMAN Verwaltungs-GmbH                                           |  | Germany        
|Huntsman Advanced Materials (Deutschland) GmbH                            |  | Germany        
|Huntsman (Germany) GmbH                                                   |  | Germany        
|Huntsman International Trading Deutschland GmbH                           |  | Germany        
|HUNTSMAN Verwaltungs GmbH                                                 |  | Germany        
|IRO Chemie Verwaltungsgesellschaft mbH                                    |  | Germany        
|Tioxide Europe GmbH                                                       |  | Germany        
|Huntsman Corporation Hungary Vegyipari Termelö-Fejlesztõ Részvénytársaság |  | Hungary        
|Huntsman Advanced Materials (India) Private Limited                       |  | India          
|Huntsman International (India) Private Limited                            |  | India          
|Petro Araldite Private Limited                                            |  | India          
|PT Huntsman Indonesia                                                     |  | Indonesia      
|Huntsman Advanced Materials (Italy) Srl                                   |  | Italy          
|Huntsman Italian Receivables Finance S.r.l.                               |  | Italy          
|Huntsman (Italy) Srl                                                      |  | Italy          
|Huntsman Patrica S.r.l.                                                   |  | Italy          
|Huntsman Surface Sciences Italia S.r.l.                                   |  | Italy          
|Sintesi S.r.l.                                                            |  | Italy          
|Tioxide Europe Srl                                                        |  | Italy          
|Huntsman Advanced Materials K.K.                                          |  | Japan          
|Y.K. Huntsman Japan                                                       |  | Japan          
|Huntsman (Korea) Yuhan Hoesa                                              |  | Korea          
|Vantico Group SA                                                          |  | Luxembourg     
|Vantico International Sarl                                                |  | Luxembourg     
|Pacific Iron Products Sdn Bhd                                             |  | Malaysia       
|Tioxide (Malaysia) Sdn Bhd                                                |  | Malaysia       
|Huntsman de Mexico, S.A. de C.V.                                          |  | Mexico         
|Huntsman International de Mexico S. De R.L. de C.V.                       |  | Mexico         
|Huntsman Servicios Mexico S. de R.L. de C.V.                              |  | Mexico         
|BASF Huntsman Shanghai Isocyanate Investment BV                           |  | The Netherlands
|Chemical Blending Holland BV                                              |  | The Netherlands
|Eurogen C.V.                                                              |  | The Netherlands
|Huntsman (Canadian Investments) BV                                        |  | The Netherlands
|Huntsman Chemical Trading (Shanghai) Holdings BV                          |  | The Netherlands
|Huntsman China Investments BV                                             |  | The Netherlands
|Huntsman Holland B.V.                                                     |  | The Netherlands
|Huntsman Holland Iota B.V.                                                |  | The Netherlands
|Huntsman Investments (Netherlands) B.V.                                   |  | The Netherlands
|Huntsman MA Investments (Netherlands) C.V.                                |  | The Netherlands
|Huntsman (Netherlands) B.V.                                               |  | The Netherlands
|Huntsman (Saudi Investments) B.V.                                         |  | The Netherlands
|Huntsman Shanghai China Investment BV                                     |  | The Netherlands
|Steamelec B.V.                                                            |  | The Netherlands
|                                                                          |  |                

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|Chemplex (NZ) Holdings Limited                                  |  | New Zealand         
|--------------------------------------------------------------- |  | --------------------
|Huntsman Chemical Company New Zealand Limited                   |  | New Zealand         
|Huntsman (Poland) Sp.zo.o                                       |  | Poland              
|Arabian Polyol Company Limited                                  |  | Saudi Arabia        
|Gulf Advanced Chemical Industries Company Limited               |  | Saudi Arabia        
|Huntsman Advanced Materials (Singapore) Pte Limited             |  | Singapore           
|Huntsman (Asia Pacific) Pte Limited                             |  | Singapore           
|Huntsman (Singapore) Pte Limited                                |  | Singapore           
|Huntsman Investments South Africa (Propriety) Limited           |  | South Africa        
|Tioxide Southern Africa (Pty) Limited                           |  | South Africa        
|Huntsman Advanced Materials (Spain) SL                          |  | Spain               
|Huntsman Surface Sciences Iberica, S.L.                         |  | Spain               
|Oligo SA                                                        |  | Spain               
|Tioxide Europe S.L.                                             |  | Spain               
|Huntsman Norden AB                                              |  | Sweden              
|Astorit AG                                                      |  | Switzerland         
|Avanti Switzerland (Monthey) SA                                 |  | Switzerland         
|Huntsman Advanced Materials (Switzerland) GmbH                  |  | Switzerland         
|Pensionkasse Vantico Basel                                      |  | Switzerland         
|Huntsman (Taiwan) Limited                                       |  | Taiwan              
|Huntsman Advanced Materials (Taiwan) Corporation                |  | Taiwan              
|Huntsman (Thailand) Limited                                     |  | Thailand            
|Vantico (Thailand) Ltd                                          |  | Thailand            
|Huntsman Ileri Teknoloji Ürünleri Sanayi ve Ticaret Limited Sti |  | Turkey              
|Tioxoide Europe Titanium Pigmentleri Ticaret Ltd. Sirketi       |  | Turkey              
|Huntsman Advanced Materials (UAE) FZE                           |  | United Arab Emirates
|Huntsman Advanced Materials Holdings (UK) Limited               |  | United Kingdom      
|Huntsman Advanced Materials (UK) Limited                        |  | United Kingdom      
|Huntsman Corporation UK Limited                                 |  | United Kingdom      
|Huntsman Europe Limited                                         |  | United Kingdom      
|Huntsman (Holdings) UK                                          |  | United Kingdom      
|Huntsman International Europe Limited                           |  | United Kingdom      
|Huntsman Nominees (UK) Limited                                  |  | United Kingdom      
|Huntsman Petrochemicals (UK) Limited                            |  | United Kingdom      
|Huntsman Polyurethanes Sales Limited                            |  | United Kingdom      
|Huntsman Polyurethanes (UK) Limited                             |  | United Kingdom      
|Huntsman Polyurethanes (UK) Ventures Limited                    |  | United Kingdom      
|Huntsman Surface Sciences Overseas Limited                      |  | United Kingdom      
|Huntsman Surface Sciences UK Limited                            |  | United Kingdom      
|Huntsman Trustees Limited                                       |  | United Kingdom      
|Huntsman (UK) Limited                                           |  | United Kingdom      
|Tioxide Europe Limited                                          |  | United Kingdom      
|Tioxide Group                                                   |  | United Kingdom      
|Tioxide Overseas Holdings Limited                               |  | United Kingdom      
|Alta One Inc.                                                   |  | USA  Delaware      
|Eurofuels LLC                                                   |  | USA  Delaware      
|Eurostar Industries LLC                                         |  | USA  Delaware      
|HMP Investment Holdings LLC                                     |  | USA  Delaware      
|Huntsman Advanced Materials Americas Inc.                       |  | USA  Delaware      
|Huntsman Advanced Materials Holdings LLC                        |  | USA  Delaware      
|Huntsman Advanced Materials Investment LLC                      |  | USA  Delaware      
|                                                                |  |                     

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|Huntsman Advanced Materials LLC                                                                                                                                                                      |  | USA  Delaware
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | --------------
|Huntsman EA Holdings LLC                                                                                                                                                                             |  | USA  Delaware
|Huntsman International Financial LLC                                                                                                                                                                 |  | USA  Delaware
|Huntsman International Holdings LLC                                                                                                                                                                  |  | USA  Delaware
|Huntsman International LLC                                                                                                                                                                           |  | USA  Delaware
|Huntsman International Trading Corporation                                                                                                                                                           |  | USA  Delaware
|Huntsman Petrochemical Corporation                                                                                                                                                                   |  | USA  Delaware
|Huntsman Polymers Corporation
(d/b/a Huntsman Polymers (Delaware) Corporation in Utah)                                                                                                               |  | USA  Delaware
|Huntsman Propylene Oxide Holdings LLC                                                                                                                                                                |  | USA  Delaware
|Huntsman Receivables Finance LLC                                                                                                                                                                     |  | USA  Delaware
|Huntsman Specialty Chemicals Corporation                                                                                                                                                             |  | USA  Delaware
|Huntsman Specialty Chemicals Holdings Corporation                                                                                                                                                    |  | USA  Delaware
|Huntsman Styrenics Investment Holdings, L.L.C.                                                                                                                                                       |  | USA  Delaware
|Huntsman Styrenics Investment, L.L.C.                                                                                                                                                                |  | USA  Delaware
|Huntsman Texas Holdings LLC                                                                                                                                                                          |  | USA  Delaware
|JK Holdings Corporation                                                                                                                                                                              |  | USA  Delaware
|Louisiana Pigment Company L.P.                                                                                                                                                                       |  | USA  Delaware
|Petrostar Fuels LLC                                                                                                                                                                                  |  | USA  Delaware
|Petrostar Industries LLC                                                                                                                                                                             |  | USA  Delaware
|Huntsman Ethyleneamines Ltd.
(d/b/a Huntsman Ethyleneamines Ltd., L.P. in Illinois)
(d/b/a Huntsman Ethyleneamines, L.P. in New Jersey)                                                              |  | USA  Texas   
|Huntsman Fuels, L.P.                                                                                                                                                                                 |  | USA  Texas   
|Huntsman International Fuels, L.P.                                                                                                                                                                   |  | USA  Texas   
|Huntsman International Services Corporation                                                                                                                                                          |  | USA  Texas   
|Huntsman Propylene Oxide Ltd.                                                                                                                                                                        |  | USA  Texas   
|Airstar Corporation                                                                                                                                                                                  |  | USA  Utah    
|HF II Australia Holdings Company LLC                                                                                                                                                                 |  | USA  Utah    
|Huntsman Australia Holdings Corporation                                                                                                                                                              |  | USA  Utah    
|Huntsman Australia Inc.                                                                                                                                                                              |  | USA  Utah    
|Huntsman Chemical Company LLC                                                                                                                                                                        |  | USA  Utah    
|Huntsman Chemical Finance Corporation                                                                                                                                                                |  | USA  Utah    
|Huntsman Chemical Purchasing Corporation                                                                                                                                                             |  | USA  Utah    
|Huntsman Distribution Corporation                                                                                                                                                                    |  | USA  Utah    
|Huntsman Enterprises, Inc.                                                                                                                                                                           |  | USA  Utah    
|Huntsman Expandable Polymers Company, LC
(d/b/a Huntsman Expandable Polymers Company, L.L.C. in Illinois and New Jersey)
(d/b/a Huntsman Expandable Polymers Company LLC in New Hampshire and Texas) |  | USA  Utah    
|Huntsman Family Corporation                                                                                                                                                                          |  | USA  Utah    
|Huntsman Group Holdings Finance Corporation
(d/b/a Huntsman Holdings Finance Corporation in Texas)                                                                                                   |  | USA  Utah    
|Huntsman Group Intellectual Property Holdings Corporation                                                                                                                                            |  | USA  Utah    
|Huntsman Headquarters Corporation                                                                                                                                                                    |  | USA  Utah    
|Huntsman International Chemicals Corporation                                                                                                                                                         |  | USA  Utah    
|                                                                                                                                                                                                     |  |               

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|HUNTSMAN LLC
(d/b/a Huntsman (IDAHO) LLC in Idaho)
(d/b/a Huntsman Atlantic in Massachusetts)
(d/b/a Huntsman (Pennsylvania) LLC in Pennsylvania)
(d/b/a Huntsman (West Virginia) LLC in West Virginia) |  | USA  Utah   
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | -------------
|Huntsman MA Investment Corporation                                                                                                                                                                      |  | USA  Utah   
|Huntsman MA Services Corporation                                                                                                                                                                        |  | USA  Utah   
|Huntsman Petrochemical Canada Holdings Corporation                                                                                                                                                      |  | USA  Utah   
|Huntsman Petrochemical Finance Corporation                                                                                                                                                              |  | USA  Utah   
|Huntsman Petrochemical Purchasing Corporation                                                                                                                                                           |  | USA  Utah   
|Huntsman Polymers Holdings Corporation                                                                                                                                                                  |  | USA  Utah   
|Huntsman Polyurethane Fund I, L.L.C.                                                                                                                                                                    |  | USA  Utah   
|Huntsman Polyurethane Fund II, L.L.C.                                                                                                                                                                   |  | USA  Utah   
|Huntsman Polyurethane Fund III, L.L.C.                                                                                                                                                                  |  | USA  Utah   
|Huntsman Polyurethane Fund IV, L.L.C.                                                                                                                                                                   |  | USA  Utah   
|Huntsman Polyurethane Venture I, L.L.C.                                                                                                                                                                 |  | USA  Utah   
|Huntsman Polyurethane Venture II, L.L.C.                                                                                                                                                                |  | USA  Utah   
|Huntsman Polyurethane Venture III, L.L.C.                                                                                                                                                               |  | USA  Utah   
|Huntsman Polyurethane Venture IV, L.L.C.                                                                                                                                                                |  | USA  Utah   
|Huntsman Procurement Corporation                                                                                                                                                                        |  | USA  Utah   
|Huntsman Purchasing, Ltd.                                                                                                                                                                               |  | USA  Utah   
|Huntsman SA Investment Corporation                                                                                                                                                                      |  | USA  Utah   
|Huntsman Surfactants Technology Corporation                                                                                                                                                             |  | USA  Utah   
|Polymer Materials Inc.                                                                                                                                                                                  |  | USA  Utah   
|Rubicon LLC                                                                                                                                                                                             |  | USA  Utah   
|International Risk Insurance Company                                                                                                                                                                    |  | USA  Vermont
|Huntsman Corporation, C.A.                                                                                                                                                                              |  | Venezuela    

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