UniDirect Corporation : (800) 334-9396
UniKix Technologies : (602) 862-4455
UniPress Software : (800) 222-0550 or (908) 287-2100
Unison Software : 408/988-2800
Unixpac : (02) 9953 8366
UniXpress : (800) 481-2393 or (888) 202-3612 or (812) 945-6555
Unix Systems Administrators Inc. : (800) 459-8649 or (913) 438-2600