**EXHIBIT 21.1**

 

**PC MALL, INC.**

 

**SUBSIDIARIES OF THE REGISTRANT**

**As of December 31, 2010**

 

Following are the subsidiaries of PC Mall, Inc., other than those which if considered in the aggregate as a single subsidiary would not constitute a significant subsidiary, and the state or other jurisdiction in which each subsidiary was incorporated or organized.

 
| **SUBSIDIARIES**              | ** ** | **JURISDICTION OF INCORPORATION** | ** ** |
|-------------------------------|------------|---------------------------------------------|------------|
| ** **                    | ** ** | ** **                                  | ** ** |
| AF   Services, LLC            |       | Delaware                                    |       |
| Onsale, Inc.   (1)       |       | Delaware                                    |       |
| OSRP,   LLC                   |       | Delaware                                    |       |
| PC   Mall Canada, Inc.   |       | Quebec                                      |       |
| PC   Mall Gov, Inc. (2)  |       | Delaware                                    |       |
| PC   Mall Sales, Inc.    |       | California                                  |       |
| PC   Mall Services, Inc. |       | Delaware                                    |       |
| Sarcom, Inc.   (3)       |       | Delaware                                    |       |

 

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| (1) | Onsale, Inc. also conducts its business   under the dba MacMall and ClubMac.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (2) | On September 7, 2006, PC Mall Gov, Inc.,   through GMR Systems, Inc., a wholly-owned subsidiary, acquired the   products business from Government Micro Resources, Inc. PC Mall Gov also   conducts its business under the dbas GMRI and Health Dynamix.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| (3) | Sarcom, Inc. was acquired by PC   Mall, Inc. on September 17, 2007. Effective August 1, 2008,   Wareforce Corp. was merged with Sarcom, Inc., with Sarcom, Inc. as   the surviving entity. Wareforce Corp. was previously WF Acquisition   Sub, Inc. Effective December 1, 2005, CCIT, Inc. merged with   WF Acquisition Sub, Inc. and the name of the combined entity was changed   to Wareforce Corp. On December 15, 2009, Sarcom, Inc. acquired   certain assets of Data Systems Worldwide, Inc. On June 8, 2010,   Sarcom, Inc. acquired certain assets of Network Services Plus, Inc.   (“NSPI”). Currently, in addition to using the name SARCOM, SARCOM also   continues to conduct its business under the dbas Abreon, DSW and NSPI. |

 

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