This directory provides a source of information that IT staffers and others can employ to identify vendors and other providers of various messaging- and directory-related products, services and technologies.  Osterman Research makes no warranty as to the suitability or fitness of this information for a particular purpose.  Also, please note that this directory is being updated continually and by no means represents a complete listing of all vendors or service providers in the various categories.
You can view a list of vendors and service providers in a particular category by choosing a link below; if your organization provides products or services in the messaging or directory services space, you can sign up to have your company listed at no charge by clicking here.


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