Oracle. In addition they make their own Storage, Servers, virtualization, OS, Compilers, Database, Middleware and Applications. - Storage: Storagetek - Virtua

Oracle. In addition they make their own Storage, Servers, virtualization, OS, Compilers, Database, Middleware and Applications. - Storage: Storagetek - Virtualization: LDOM, Xen (OracleVM), VirtualBox - OS: Solaris, EOL Linux, and also Jrockit (Java running on top of Xen) - Compilers: Java, Pl/SQL (Compiles to ADA bytecode), C - Database: Oracle, MySQL, BerkeleyDB - Middleware: SOA Suite - Applications: Fusion Apps (EBS, PeopleSoft JDEdwards) In Addition, Oracle has their own Appliances: Exalogix, Exadata, etc.