Computer Review
Print directory and searchable online market database of computer, telecommunications, internet and IT businesses.

Data Directory
Provides a list of companies who provide data capture, recovery, equipment, software and systems.

ITStartPage: IT News, Information and Directories
Provides directories of Information Technology (IT) vendors, associations, publications and certifications, as well as other news and information.

Computer and Communication Entry Page
Provides a cross-referenced directory of computers and communications companies, associations and media.

Computer Information Center
Offers a directory of links to technologies, manufacturers, support, news, magazines, events, and books.

Information Technology Directory
Lists IT related companies and businesses serving the UK

Jivalti Library
A directory that displays the strengths and weaknesses of various approaches to solving an IT problem.

MC Vendor Directory
A directory of vendors and products focused on the midrange computing market.

KnowledgeStorm
Lists hardware, software, services white papers and other resources covering all areas of information technology.

itmWEB: IT Resources Link Collection
Provides a categorized directory of links related toinformation technology.

itLocation - Global Software & IT Website
Provides a software directory and IT news, company information, jobs and discussion forums, with both English and German editions.