`Upena Systems, Inc. partners with the following manufacturers:
 
 
   
   
           
   
Links
   
HP B2B: https://h20143.www2.hp.com/cgi-bin/ccg.dll/JavaContentGateway/login.do

Citrix: http://www.citrix.com/lang/English/home.asp

Microsoft: http://www.microsoft.com/