Automation Centre: Automation Center provides users of Microsoft Outlook and Exchange server with solutions for project management, time and billing, expense tracking and customer relationship management.
BrightWork: Product Management, Software Development and Program Management applications built on top of Microsoft Exchange.
C2C Systems Limited: Developer and distributor of Exchange e-mail-based applications and intra/internet solutions
EMD Leuven: Offers software and services in the areas of groupware, workflow, document and knowledge management, along with the necessary infrastructure and security mechanisms.
Haaverson Corp.: The Haaverson Corporation specializes in Microsoft Exchange migrations and makes migration tools available.
IMlogic: Provides solutions for archiving, querying and reporting on Instant Messaging
Looking to replace MS Exchange?: Gordano's Collaboration Server is a cross platform groupware and integration tool that allows the use of advanced features of Microsoft Outlook including Contacts, Calendaring, Scheduling, Tasks, Journals and Notes.
Opus-i, Inc. - .NET Integration and Application Hosting Provider: Opus-i provides reliable, scalable and secure messaging and collaboration services as well as Microsoft .NET integration solutions for corporations and service providers.
Red Earth Software: Developers of email security, email management and email policy enforcement software for Microsoft Exchange server.
serVonic Telekommunikationsloesungen GmbH: serVonic offers unified messaging with fax, voice, sms, pager and mobile access as add-on to Microsoft Exchange Servers or Microsoft Exchange Server 2000.
Sessionware, Inc.: RIM Blackberry wireless email solution providers supporting RIM blackberry enterprise server, 5810, 857, 957, & 950. Official RIM Wireless Solution Providers.
TeamScope Software: Developer of collaborative software for Microsoft Outlook and Exchange; products include CRM, workflow, customer and employee survey software, and a number of tools and utilities.