Exhibit 21.1

LIST OF SIGNIFICANT SUBSIDIARIES OF THE LUBRIZOL CORPORATION

The following are the significant subsidiaries(1)of The
Lubrizol Corporation and their jurisdictions of organization as of December 31, 2009. Except where otherwise noted, all subsidiaries are either directly or indirectly wholly owned by the company.



|                                                                |  |                                 
|--------------------------------------------------------------- |  | --------------------------------
|NAME                                                            |  | COUNTRY OR STATE OFINCORPORATION
|Lubrizol Advanced Materials, Inc.                               |  | USA  Delaware                  
|Lubrizol Advanced Materials International, Inc.                 |  | USA  Delaware                  
|Lubrizol Advanced Materials Gibraltar, Inc.                     |  | USA  Delaware                  
|Lubrizol Overseas Trading Corporation                           |  | USA  Delaware                  
|CPI Engineering Services, Inc.                                  |  | USA  Michigan                  
|Lubrizol International Management Corporation                   |  | USA  Nevada                    
|                                                                | 
|Lubrizol Advanced Materials Europe BVBA                         |  | Belgium                         
|Lubrizol do Brasil Aditivos Ltda.(2)                            |  | Brazil                          
|Lubrizol International, Inc.                                    |  | Cayman Islands                  
|Lanzhou Lubrizol - Lanlian Additive Co. Ltd.(3)                 |  | Peoples Republic of China      
|Lubrizol Specialty Chemicals Manufacturing (Shanghai) Co., Ltd. |  | Peoples Republic of China      
|Lubrizol France SAS                                             |  | France                          
|Lubrizol Holdings France SAS                                    |  | France                          
|Lubrizol Deutschland GmbH                                       |  | Germany                         
|Lubrizol (Gibraltar) Limited                                    |  | Gibraltar                       
|Lubrizol (Gibraltar) Minority Limited                           |  | Gibraltar                       
|Lubrizol Advanced Materials Asia Pacific Limited                |  | Hong Kong                       
|Lubrizol Advanced Materials Hong Kong Limited                   |  | Hong Kong                       
|Lubrizol India Private Limited(3)                               |  | India                           
|Lubrizol Japan Limited                                          |  | Japan                           
|Lubrizol (Gibraltar) Limited Luxembourg SCS                     |  | Luxembourg                      
|Lubrizol Luxembourg S.à.r.l.                                    |  | Luxembourg                      
|Lubrizol Advanced Materials Holland B.V.                        |  | The Netherlands                 
|Lubrizol Southeast Asia (Pte.) Ltd.                             |  | Singapore                       
|Lubrizol South Africa (Pty) Limited                             |  | South Africa                    
|Lubrizol Limited                                                |  | United Kingdom                  



|(1) | The names of the companys subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute at the end of fiscal 2009 a
significant subsidiary within the meaning of Rule 1-02(w) of Regulation S-X have been excluded.
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|(2) | The company owns all of the quotas of this subsidiary, with the exception of one quota that is held by an employee of the company.
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|(3) | This entity is a joint venture and is owned 50% by the company directly or indirectly through its wholly owned subsidiaries.
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