A private network that uses Internet software and Internet standards. In essence, an Intranet is a private Internet reserved for use by people who have been given the access necessary to use that network. Businesses often use intranets to allow easy hierarchical access to company information.
For Intranet software (such as ready-built HTTP servers) look in the Software subcategory.
For Consultants and Business building Intranets, look in the 'Consultants and developers' subcategory.