Bull
Bull
http://www.bull.com/
Hitachi
Hitachi's diversity is a result of its policy of responding to society's changing needs by entering new product areas while keeping existing divisions active.
http://www.hitachi.com/
HP Nonstop
When service levels are paramount, customers can trust hp integrity nonstop for their most critical business applications.
http://h20223.www2.hp.com/nonstopcomputing/cache/126719-0-0-0-121.html
IBM eServer zSeries
Your portal to ibm mainframe information. check out what's new in ibm mainframe technology, resources and solutions. find links to system z9, z890, z990 and other product information, including operating systems, storage and ibm mainframe software.
http://www-1.ibm.com/servers/eserver/zseries/
Unisys
Unisys clearpath mainframes offer superior business agility, service oriented architecture, and real time infrastructure. contact unisys today and learn how we can help you.
http://www.unisys.com/products/mainframes/