Computer Associates

What they say:

"World-class Antivirus, Industrial Strength Personal Firewall, and more for Home and Small Office PC. We've been at this a while... CA, through its product line, has quietly become the industry's #1 supplier of eBusiness security solutions. The CA security solutions secure a vast range of platform types, ranging from hand held computing devices, through desktops and servers, all the way up to IBM mainframe systems. We have a long and distinguished history of providing award-winning, enterprise-class security solutions to our customers, who include the Global 2000, and major governments throughout the world."