DataDirect
http://www.ddn.com/
Dell
http://www.dell.com/Learn/us/en/555/by-service-type-application-services-business-intelligence-hadoop?c=us&l=en&s=biz
HP
http://h71028.www7.hp.com/enterprise/us/en/partners/hadoop.html
Microsoft
http://www.microsoft.com/en-us/sqlserver/solutions-technologies/business-intelligence/big-data.aspx
Nutanix
http://www.nutanix.com/the-nutanix-solution/use-cases/#790
Oracle
http://www.oracle.com/us/products/database/big-data-appliance/overview/index.html
SGi
http://www.sgi.com/solutions/bigdata/hadoop/
Teradata/Aster Data
http://www.asterdata.com/