Top storage software vendors: EMC, Symantec, IBM

According to IDC, EMC, Symantec (with VERITAS acquisition) and IBM were leading the global storage software market in Q3 2005.

Worldwide storage software market in Q3 2005
  Q3 2005 Q3 2004 Growth
Vendor Revenue, mln. Share Revenue, mln. Share YTY
EMC $621 29.1% $585 30.1 6.2%
Symantec $427 20.0% see Veritas N/A
VERITAS see Symantec $394 20.3% N/A
IBM $201 9.4% $179 9.2% 12.5%
Network Appliance $148 6.9% $104 5.4% 42.5%
Hewlett-Packard $143 6.7% $139 7.1% 2.8%
Others $595 27.9% $541 27.9% 10.0%
Total $2,135 100.0% $1,942 100.0% 10.0%
Source: IDC