Sophos plc - Anti-virus and data security software, produces anti-virus sol'ns for these systems: MSDOS, Windows, Windows NT, NetWare, OS/2 and VMS as well as encryption software

Ambleton Computing - Specializes in business critical anti virus software and spam protection, as well as network and Internet security and professional web development.

ArmourPlate - Provides spam and virus protection through externally managed email security services.

Virus Block - Offers software that protects mailboxes and SMTP mail servers from spam and virus content email. For SMTP- and POP-based networks.

ASaP Virus Protection - Provides McAfee anti-virus services to protect desktops, emails, and to stop infected attachments from entering networks.

Star Internet - U.K. ISP providing email, anti-virus protection, firewall, and other managed network services and software