Exhibit 21.1



Subsidiaries of Navigant International, Inc.



|       |  |                                                                                                                 |  |                            
|------ |  | --------------------------------------------------------------------------------------------------------------- |  | ---------------------------
|Entity |  | Business                                                                                                       
|1.     |  | AQUA Software Products, Inc., a California corporation                                                          |  | Software Development       
|2.     |  | Associated Travel Services of Texas, Inc., a California corporation                                             |  | Holding Company            
|3.     |  | Associated Travel Services of Texas, Ltd., a Texas limited partnership                                          |  | Holding Company            
|4.     |  | Atlas Travel GP, Inc., a Texas corporation                                                                      |  | Holding Company            
|5.     |  | Atlas Travel Services Corp., a Delaware corporation                                                             |  | Holding Company            
|6.     |  | Cornerstone Enterprises, Inc., a Massachusetts corporation                                                      |  | Meetings and Incentives    
|7.     |  | Envision Vacations, Inc., a Michigan corporation                                                                |  | Holding Company            
|8.     |  | Envision Vacations Canada Inc., an Ontario corporation                                                          |  | Leisure Travel             
|9.     |  | Feercot SARL, a French limited liability company                                                                |  | Holding Company            
|10.    |  | FireVine, LLC, a Delaware limited liability company                                                             |  | Internet Company           
|11.    |  | Guide Travel System, Inc., a Colorado corporation                                                               |  | Corporate Travel Management
|12.    |  | International Travel Consultants N.V., incorporated in Belgium                                                  |  | Corporate Travel Management
|13.    |  | Marine & Oilfield Travel Logistics, LP, a Texas limited partnership                                             |  | Corporate Travel Management
|14.    |  | Maple Leaf Collection Inc., an Ontario corporation                                                              |  | Leisure Travel             
|15.    |  | Navigant Cruise Center, Inc., a Delaware corporation                                                            |  | Leisure Travel             
|16.    |  | Navigant International/Brazil Ltda., a Brazilian limited liability company fka K.R. Agencia de Viagens Ltda     |  | Corporate Travel Management
|17.    |  | Navigant International/Canada Inc., an Ontario corporation                                                      |  | Corporate Travel Management
|18.    |  | Navigant International/Deutschland GmbH, a German limited liability company                                     |  | Corporate Travel Management
|19.    |  | Navigant International Funding Corporation, a Nevada corporation                                                |  | Holding Company            
|20.    |  | Navigant International Holdings Belgium, a Belgian private limited liability company                            |  | Holding Company            
|21.    |  | Navigant International/North Central, Inc., an Illinois corporation fka Arrington Travel Center, Inc.           |  | Corporate Travel Management
|22.    |  | Navigant International/Southwest, LLC, a Delaware limited liability company fka Associated Travel Services, LLC |  | Corporate Travel Management
|23.    |  | Navigant International/South Central, L.P., a Texas limited partnership fka Atlas Travel Services, L.P          |  | Corporate Travel Management
|24.    |  | Navigant International/Southeast, Inc., a North Carolina corporation fka First Travelcorp, Inc.                 |  | Corporate Travel Management
|25.    |  | Navigant International/Northeast, Inc., a Connecticut corporation fka McGregor Travel Management, Inc.          |  | Corporate Travel Management
|26.    |  | Navigant International/Northwest, Inc., a Washington corporation fka Mutual Travel, Inc.                        |  | Corporate Travel Management
|27.    |  | Navigant International/Rocky Mountain, Inc., a Colorado corporation fka Professional Travel Corporation         |  | Corporate Travel Management
|28.    |  | Navigant International UK Holdings, Inc., a Delaware corporation                                                |  | Holding Company            
|29.    |  | Navigant International/United Kingdom Limited, incorporated in England and Wales                                |  | Corporate Travel Management
|30.    |  | Navigant UK Limited, incorporated in England and Wales                                                          |  | Holding Company            
|31.    |  | NavigantVacations.com Holdings, Inc., a Delaware corporation                                                    |  | Holding Company            
|32.    |  | Pade, Inc., a Massachusetts corporation aba Business Travel International                                       |  | Corporate Travel Management
|33.    |  | Scheduled Airlines Traffic Offices, Inc., a Delaware corporation                                                |  | Corporate Travel Management
|34.    |  | Sacramento Madison Enterprises, Inc., a California corporation dba Madison Travel                               |  | Corporate Travel Management
|35.    |  | Sato Travel srl, incorporated in Italy                                                                          |  | Corporate Travel Management
|36.    |  | Transcap Voyages S.A., a French société anonyme                                                                 |  | Corporate Travel Management
|37.    |  | UGPTravel, Inc., an Illinois corporation fka Uniglobe Professional Travel, Inc.                                 |  | Corporate Travel Management
|38.    |  | World Wide Travel Service, Inc., an Arkansas corporation                                                        |  | Corporate Travel Management



Affiliates:



ATTI General Partnership, a Georgia general partnership (50% interest through Navigant
International/Southwest, LLC, fka Associated Travel Services, LLC)



Protocol
Worldwide Limited (50% interest through Scheduled Airlines Traffic Offices, Inc.)