Exhibit 21.1

LIST OF SUBSIDIARIES

|Company                                           |  | Jurisdiction of Incorporation/organization
|------------------------------------------------- |  | ------------------------------------------
|Universal Compression Argentina, S.A.             |  | Argentina                                 
|Universal Compression (Australia) Pty, Ltd.       |  | Australia                                 
|Universal Compression Finance Company, Ltd.       |  | Barbados                                  
|Universal Compression LTDA                        |  | Brazil                                    
|Universal Compression (Ontario), Ltd.             |  | British Virgin Islands                    
|Universal Compression (Canada) Holdings, Ltd.     |  | Canada                                    
|Universal Compression Canada, Ltd.                |  | Canada                                    
|Universal Compression International, Ltd.         |  | Cayman Island                             
|Universal Compression of Colombia, Ltd.           |  | Cayman Island                             
|Uniwhale Ltd.                                     |  | Cayman Island                             
|Uniwhale de Colombia E.U.                         |  | Colombia                                  
|Universal Compression, Inc.                       |  | Delaware                                  
|Compression Systems International, Inc.           |  | Delaware                                  
|Universal Compression International, Inc.         |  | Delaware                                  
|UCO Compression 2002 L.L.C.                       |  | Delaware                                  
|Enterra Compression Investment Company            |  | Delaware                                  
|Universal Compression Company, L.P.               |  | Delaware                                  
|UCO Compression Holding, L.L.C.                   |  | Delaware                                  
|Universal Compression Services, L.P.              |  | Delaware                                  
|UCO Compression LLC                               |  | Delaware                                  
|BRL Universal Equipment 2001 A, L.P.              |  | Delaware                                  
|BRL Universal Compression Funding I 2002, L.P.    |  | Delaware                                  
|PT Universal Compression Indonesia                |  | Indonesia                                 
|Compression Services de Mexico, S.A. de C.V.      |  | Mexico                                    
|Universal Compression de Mexico, S.A. de C.V.     |  | Mexico                                    
|Universal Compression B.V.                        |  | Netherlands                               
|Universal Compression del Peru, S.R.L.            |  | Peru                                      
|Universal Compression (Thailand), Ltd.            |  | Thailand                                  
|Universal Compression de Venezuela Unicom, C.A.   |  | Venezuela                                 
|Universal Compression Services de Venezuela, C.A. |  | Venezuela                                 

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