Centrinet Ltd 
Internet security and content filtering systems.
http://www.centri.net/Identrus 
A mediator service for business transactions.
http://www.identrus.com/
FishNet 
Network security consulting.
http://www.fishnetsecurity.com
Internet Security Consultants 
They offer Internet security consulting and tracing, as well as technical support for the Win95/98 OS.
http://www.isc-unlimited.com
Systems Solutions Group 
SSG secures your PC and/or network from attack with up-to-date information and assessments.
http://www.ssg-inc.net
SecuritySpace Desktop Audits 
Tests PCs or web sites for vulnerabilities, trojans, root exploits and more using a web based auditing tool with over 460 vulnerability tests. Free registration required.
http://www.securityspace.com/smysecure/
Shields Up 
GRC Internet Security Detection System scans on request the user's computer, especially the Windows file sharing and reports vulnerabilities.
https://grc.com/x/ne.dll?bh0bkyd2
HyperSend 
Hillgraeve's Secure Internet Delivery service, online and no cost.
http://www.hypersend.com/
e92plus Ltd 
A distributor of network and internet security solutions like firewalls, anti virus and general security solutions across the UK.
http://www.e92plus.com
Outpost24.Com 
24/7 market-watch and analyzing of potential threats to your IT-systems
http://www.outpost24.com
Spyware, Adware and Snoopware explained 
Information about the Adware, Spyware and Snoopware software categories. Provides background information and links to free spyware removal tools and downloads.
http://www.adware.info
800onemail 
Secure connectivity, wireless and email. Access your business systems from anywhere in the world.
http://www.800onemail.com
Riptech 
Provider of managed security, vulnerability assessments, and incident forensics. Contains profiles of executives, services descriptions, industry news, and listing of technology used.
http://www.riptech.com/
Network Security 
Design Implementation and Monitoring
http://www.netsecure724.com
SystemExperts Corporation 
Consultants in host and network security, system management, data management, distributed computing, and product design.
http://www.systemexperts.com
beTRUSTed 
Provides e-security for networked applications through PKI solutions.
http://www.betrusted.com/
SecureWorks 
Internet monitoring and response security service for small to mid-sized businesses and home users.
http://www.secureworks.com/
TUCOFS - The Ultimate 
Collection of Forensic Software
http://www.tucofs.com/tucofs.htm
dSecure 
In Karlskrona, Sweden. Offer products for protection of company networks and servers.
http://www.dsecure.se/
BT: Trust Services 
Solutions for protecting intranet, extranet, e-commerce and e-mail.
http://www.btglobalservices.com/en/products/trustservices/
ixact 
Swiss company offering inspection and consulting services of IT products, security audits for electronic payment systems and risk analysis of implementations.
http://www.ixact.ch/
Wizcrafts Computer Services 
Specializing in troubleshooting and webmaster services, including website design, maintenance and security, plus virus protection and spyware alerts for PCs. Located in Flint, Michigan, USA.
http://www.wizcrafts.net/
Aderes, Inc 
Offers secure email, web browsing and Internet access solutions, with details of services and support.
http://www.aderes.net
Kill Spam and Get Paid For It 
Claims to instantly eliminates spam emails for a monthly fee.
http://www.spamscan.org/
DIGITECH-secure 
Providers of data recovery, computer MOTs, Internet security, and maintenance services.
http://www.digitech-secure.com/