Exhibit 21.1

SUBSIDIARIES OF THE
REGISTRANT

|                         |  |                                                           |               | JURISDICTION OF         
|------------------------ |  | --------------------------------------------------------- | ------------- | ------------------------
|NAME OF
      SUBSIDIARY |  |                                                           | INCORPORATION
|1.                       |  | NICUSA, Inc.*                                             |               | Kansas, U.S.            
|2.                       |  | Kansas
      Information Consortium, Inc.**               |               | Kansas,
      U.S.      
|3.                       |  | Indiana Interactive, LLC**                                |               | Indiana, U.S.           
|4.                       |  | Arkansas Information Consortium, LLC**                    |               | Arkansas,
      U.S.    
|5.                       |  | Nebraska Interactive, LLC**                               |               | Nebraska, U.S.          
|6.                       |  | Virginia Interactive, LLC**                               |               | Virginia,
      U.S.    
|7.                       |  | Iowa Interactive, LLC**                                   |               | Iowa, U.S.              
|8.                       |  | Montana Interactive, LLC**                                |               | Montana,
      U.S.     
|9.                       |  | Maine Information Network, LLC**                          |               | Maine, U.S.             
|10.                      |  | Utah
      Interactive, LLC**                             |               | Utah,
      U.S.        
|11.                      |  | Hawaii Information Consortium, LLC**                      |               | Hawaii, U.S.            
|12.                      |  | Idaho
      Information Consortium, LLC**                 |               | Idaho,
      U.S.       
|13.                      |  | NIC Commerce, LLC**                                       |               | Colorado, U.S.          
|14.                      |  | NIC
      Conquest, LLC**                                 |               | Colorado,
      U.S.    
|15.                      |  | National Information Consortium Technologies,
      LLC** |               | California, U.S.        
|16.                      |  | Intelligent Decision Technologies, LLC**                  |               | Colorado,
      U.S.    
|17.                      |  | National Online Registries, LLC**                         |               | Colorado, U.S.          
|18.                      |  | Bay
      Interactive, LLC**                              |               | California,
      U.S.  
|19.                      |  | Florida Information Consortium, Inc.**                    |               | Florida, U.S.           
|20.                      |  | Michigan Local Interactive, LLC**                         |               | Michigan,
      U.S.    
|21.                      |  | Texas Local Interactive, LLC**                            |               | Texas, U.S.             
|22.                      |  | Alabama Interactive, LLC**                                |               | Alabama,
      U.S.     
|23.                      |  | NIC European Business Limited*                            |               | London, England         
|24.                      |  | Kentucky Interactive, LLC**                               |               | Kentucky,
      U.S.    
|25.                      |  | NIC Solutions, LLC**                                      |               | Colorado, U.S.          
|26.                      |  | National Retail Registries, LLC**                         |               | Colorado,
      U.S.    
|27.                      |  | South Carolina Interactive, LLC**                         |               | South Carolina, U.S.    
|28.                      |  | Colorado Interactive, LLC**                               |               | Colorado,
      U.S.    
|29.                      |  | Vermont Information Consortium, LLC**                     |               | Vermont, U.S.           
|30.                      |  | Rhode
      Island Interactive, LLC**                     |               | Rhode Island,
      U.S.
|31.                      |  | eGov Service Corporation*                                 |               | Colorado, U.S.          
|32.                      |  | One Point Security Solutions,
    LLC*                    |               | Colorado, U.S.          

*Wholly-owned subsidiary of NIC Inc.
**Wholly-owned subsidiary of NICUSA, Inc.

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