GroupDocs
GroupDocs creates easy to use, comprehensive online document management APIs for .NET, Java and Cloud, as well as a range of Cloud apps that improve document collaboration for organizations of any size. GroupDocs saves developers and end users time and money by offering a complete and powerful set of document management APIs allowing users to view, sign, annotate, compare, convert and assemble documents in a wide variety of formats, including Microsoft Word, Excel, PowerPoint and Visio, as well as Adobe Acrobat PDF and many image formats. Flexible workflows and easy-to-use, customizable user interfaces are part of the package.
ComponentSpace
ComponentSpace has a breadth of knowledge in Microsoft technologies covering everything from Web applications through to Windows device drivers. Its focus is on the Microsoft .NET framework and tools including Web applications and services, Windows components and applications, ADO.NET and SQL Server database design and mobile applications.
Crystal Universe Software
Crystal Universe Software is dedicated to providing software developers with the tools they need to integrate EDI (Electronic Data Interchange) services into their applications. They are a licensed X12 Partner and their software is used by the largest health care and Fortune 100/500 companies all around the world.